{"product_id":"zk-mt21-bluetooth-amplifier-board-2-1-channel-digital-audio-power-amplifier-module-digital-power-amplifier-board","title":"ZK‑MT21 Bluetooth Amplifier Board 2.1 Channel Digital Audio Power Amplifier Module Digital Power Amplifier Board","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eAudio Output Mode\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOther\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eControl Method\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDepartment\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eUnisex-adult\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eForm-factor\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOthers\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\u003eItem Type\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSpeaker Active Components\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDigital Power Amplifier Board\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\u003ePower Source\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpeaker maximum output power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e50W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSubwoofer connectivity technology\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWireless\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\u003cspan\u003eWater Resistance Level\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNot water resistant\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\u003cdiv class=\"desc\"\u003e\n\u003cp\u003e\u003cstrong\u003eZKMT21 Bluetooth Amplifier Board 2.1 Channel Digital Audio Power Amplifier Module\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv style=\"font-size:16px\"\u003e\n\u003cp\u003e\u003cstrong\u003eFeature:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e1. This Bluetooth audio 2.1 channel power amplifier module has two audio input methods, AUX and Bluetooth, two in one. The 5.0 Bluetooth version has higher transmission efficiency and longer transmission distance.\u003cbr\u003e2. The Bluetooth audio power amplifier module has 2.1 channels and the maximum output power is 2X50W+100W. With antenna and antenna base, the signal is better, the efficiency is high, and the anti‑interference ability is strong.\u003cbr\u003e3. This power amplifier module has short circuit protection, overcurrent, overheating, and anti reverse protection to prevent complete failure. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage.\u003cbr\u003e4. It adopts copper DC connectors and barrier terminals. It can withstand high current without heating or damaging wires. No DC head lead, compatible with the input power interface of this product, even if you don't have a DC head adapter or battery, you can easily wire it.\u003cbr\u003e5. Provides a stable and fast connection with a wide range of compatibility. Easy to install and use. With bass, treble, subwoofer frequency and volume control, it is widely used in shop solicitation, home theater, quadrate speakers, etc.\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eItem Type: Power Amplifier Board\u003cbr\u003eMaterial: PCB\u003cbr\u003eModel: ZK-MT21\u003cbr\u003eBluetooth Version: 5.0 (Approx. 15m\/49.2ft without Obstruction)\u003cbr\u003eAudio Input: AUX + Bluetooth\u003cbr\u003eNumber Of Channels: 2.1 Channels\u003cbr\u003eInput Sensitivity: 500mV\u003cbr\u003eAdapted Power Supply Voltage: 12-24V\/5A or More (Do Not Connect 24VBattery Pack)\u003cbr\u003eSpeaker: 20-100W, 4-8Ω\u003cbr\u003eOutput Power: Maximum 50W (left and Right Channel), Maximum 100W (Subwoofer)\u003cbr\u003eProtection Mechanism: Anti reverse Connection, Overheating, Overcurrent, Short Circuit Protection\u003cbr\u003ePurpose: Digital Power Amplifier Board\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to Use:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003eTip: If the audio input is sufficient and the power supply voltage\/current is sufficient, there is enough output power. The higher the power supply voltage, the greater the relative power. Speakers with different impedances will have different output power. In the case of sufficient voltage and current, the greater the ohm of the speaker, the smaller the relative sound power. Please make sure that the power of the adapter is greater than the actual working power of the amplifier.\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage List:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1 x Power Amplifier Board Module\u003c\/p\u003e\n\u003cp\u003e2 x Acrylic Board\u003c\/p\u003e\n\u003cp\u003e1 x Screwdriver\u003c\/p\u003e\n\u003cp\u003e9 x Screw\u003c\/p\u003e\n\u003cp\u003e4 x Brass Connecting Rod\u003c\/p\u003e\n\u003cp\u003e4 x Brass Terminal\u003c\/p\u003e\n\u003cp\u003e5 x Knob\u003c\/p\u003e\n\u003cp\u003e1 x Round Hole Connector\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e1. The power switch on the board is a standby switch. After the switch is turned off, the machine is in a low‑power standby state. Turn off the power completely or unplug the DC plug on the machine for a long time.\u003c\/div\u003e\n\u003cdiv\u003e2. Please use a power adapter with sufficient power to connect to the power amplifier board, otherwise the sound will be distorted.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e\u003cbr\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sfaefc18762cf40dd9353823776ce194er.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9a93bfe824cf489a82f2df8096015b372.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1787c541c99248049d94901969408f36V.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S13ad01a6028b461880c58ab0f208357cW.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc0e27d821f4848328a17e6daa2852ecfa.jpg\" slate-data-type=\"image\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cbr\u003e","brand":"Yoeruyo","offers":[{"title":"as shows","offer_id":55506295030059,"sku":"14:350853#as shows","price":66.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Sfaefc18762cf40dd9353823776ce194er_e8883511-15d0-4320-848d-a61a2b81c760.webp?v=1788929680","url":"https:\/\/yoeruyo.com\/products\/zk-mt21-bluetooth-amplifier-board-2-1-channel-digital-audio-power-amplifier-module-digital-power-amplifier-board","provider":"Yoeruyo","version":"1.0","type":"link"}