{"product_id":"mt21-2-1-channel-bluetooth-5-0-digital-amplifier-module-100w-50w-50w-subwoofer-audio-board-treble-bass-adjustment-aux-input-for-speaker-diy-1","title":"MT21 2.1 Channel Bluetooth 5.0 Digital Amplifier Module 100W+50W+50W Subwoofer Audio Board Treble Bass Adjustment AUX Input for Speaker DIY","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWuzhi Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3 (2.1)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eControl Method\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePush button\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePlastic,aluminum\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e100 W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMT21\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eNumber of channels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e200W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eParts\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAdapter\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSurround sound channel configuration\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdcbd4db6a93d4808bf3d5faca1e6904eh.png\" slate-data-type=\"image\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px\"\u003e\u003cstrong\u003eProduct Highlights\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\u003c\/div\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cul style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eMade of premium‑grade materials for reliable quality\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCost‑effective 100W+50W+50W Hi‑Fi Bluetooth amplifier with mature stable solution, pure sound quality, economical 2.1‑channel amp module\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eSubwoofer + Left + Right channel output, treble \u0026amp; bass adjustable, delivers stunning and powerful audio performance\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eExquisite compact appearance, simple and easy to operate\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eWide compatibility for various audio DIY applications\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ctable style=\"border-collapse:collapse\"\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"text-align:center\" align=\"center\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eParameter\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd style=\"text-align:center\" align=\"center\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eValue\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eModel\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eMT21\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eChannel\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e2.1‑Channel\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eBluetooth Version \u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e Bluetooth 5.0, 15m barrier‑free transmission\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eInput Sensitivity\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e500mV\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eInput Mode\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eAUX + Bluetooth\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eAmplifier Chip\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eDomestic power amplifier chip\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003ePower Supply\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eDC 12‑24V, 5A or above (DO NOT use 24V battery pack)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eSuitable Speaker\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e20‑100W, 4‑8Ω\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eOutput Power\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eL\/R Channel: ≤50W each; Subwoofer: ≤100W\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eProtection\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eReverse‑connection, over‑heat, over‑current, short‑circuit protection\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eDimension\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e93mm90mm22mm\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eWeight\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eApprox 185g (with package)\u003c\/span\u003e\u003c\/p\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px 0px 8px;margin-bottom:8px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e1 x Amplifier Board\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/h1\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px 0px 0px 8px;padding-bottom:0px;padding-top:0px;padding-left:8px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:grid' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgba(0, 0, 0, 0.85);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:flex' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eMain Description\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cdiv\u003eMT21 is a cost‑effective 2.1‑channel Bluetooth 5.0 digital audio amplifier module. It supports both Bluetooth and AUX input, with independent treble and bass adjustment for subwoofer, left and right channel output. Built‑in multiple protection functions for safer operation. Perfect for speaker DIY projects.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"background-color:rgba(0, 0, 0, 0);color:rgb(0, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eImportant Power Reminder\u003c\/strong\u003e\u003c\/span\u003e\u003cspan style=\"background-color:rgba(0, 0, 0, 0);color:rgb(0, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e: Sufficient audio input and adequate power supply voltage \u0026amp; current are required to achieve rated output power. Higher supply voltage and lower speaker impedance bring higher output power. Please make sure your power adapter power rating exceeds the actual working power of this amplifier. Do not connect to 24V battery pack.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eProduct Bullet Points \u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003col style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCost‑Effective MT21 2.1‑Channel Hi‑Fi Bluetooth 5.0 Amplifier Module 100W+50W+50W\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eSubwoofer L\/R Channel Output, Adjustable Treble \u0026amp; Bass for Powerful Sound\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eDual AUX \u0026amp; Bluetooth Input, 15‑meter barrier‑free Bluetooth transmission\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eMulti‑Protection: Reverse‑connection, Over‑heat, Over‑current, Short‑circuit Protection\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eCompact Size, Easy Operation, Ideal for DIY Speaker Audio Projects\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003ch1 style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cspan style=\"color:rgb(244, 78, 59);font-size:22px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h1\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cul style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"background-color:rgba(0, 0, 0, 0);color:rgb(0, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eRequires DC 12‑24V 5A+ power adapter, \u003c\/span\u003e\u003cspan style=\"background-color:rgba(0, 0, 0, 0);color:rgb(0, 0, 0);font-size:18px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003e24V battery pack is forbidden\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eActual output power depends on power supply, speaker impedance and audio input signal\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003ePower supply power must be greater than amplifier actual working power\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:list-item' align=\"start\"\u003e\u003cp\u003e\u003cspan style=\"font-size:18px;font-family:arial, helvetica, sans-serif\"\u003eSuitable for 4‑8Ω 20‑100W speakers only\u003c\/span\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto 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Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb656b8d9cfb342fba7494ac9e9f840ddS.png\" slate-data-type=\"image\"\u003e\u003c\/h1\u003e\n\u003cp style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S00fc254c1d7340f2b6ea643f8b7dd3d2P.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf641e155e7724e658ca28581137723afv.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6142ee040d9f4ca2810a1da77740fca6E.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4db3d220b1fd4b5aa85f6aa6b732fc4df.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa6c8eb5fd0bf40848656a070065fef4cg.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8959d803cc474a52a2c7692f3924d916o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3386ff1b85a94445b915f988b6e3a1379.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S416207c578cb46e3bb55ea5ba14653caf.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbae539282c6d487fa4dd18f7ea8ae496j.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd42e0e78a7834d2aa6bf2d5859a27fcaR.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scdcab561640b48b4a577f2612f66afabL.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sba5f497cb82b4588bc0e760a185f46b1u.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S607da9455ca34311bf54288e22d8c14dK.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa3e03e15bc0d4ba3b4e37bfcaadba854X.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sadc2384f243f4d50ad448491b6218bd6A.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S992eedbb59f64515b8121f3022245dc4N.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S42da5a91f78f458cbd175ec0acff84bbA.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003cdiv style='font-family:ui-sans-serif, system-ui, sans-serif, \"Apple Color Emoji\", \"Segoe UI Emoji\", \"Segoe UI Symbol\", \"Noto Color Emoji\";font-size:16px;font-weight:400;line-height:24px;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgba(0, 0, 0, 0);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;display:block' align=\"start\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"MT21 \/ United States","offer_id":55506299781419,"sku":"14:-2;200007763:201336106","price":72.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sa5c242bd5207439688d018b27293fe44b_a9e3cc2a-7a3c-4af0-b744-c14a237f8014.webp?v=1788929709","url":"https:\/\/yoeruyo.com\/products\/mt21-2-1-channel-bluetooth-5-0-digital-amplifier-module-100w-50w-50w-subwoofer-audio-board-treble-bass-adjustment-aux-input-for-speaker-diy-1","provider":"Yoeruyo","version":"1.0","type":"link"}