{"product_id":"b29c-tpa3156d2-2-1-channel-bluetooth-5-0-digital-amplifier-board-2x-70w-140w-high-power-subwoofer-class-d-amplifier-dc8v-24v","title":"B29C-TPA3156D2 2.1 Channel Bluetooth 5.0 Digital Amplifier Board 2X 70W+140W High Power Subwoofer Class D Amplifier DC8V-24V","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\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\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 1\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 2\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTPA3156D2\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 3\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2.1 channel\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 4\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSubwoofer amplifier board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpecification 5\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eaudio board\u003c\/span\u003e\u003c\/p\u003e\u003ch3 style='white-space:normal;font-family:\"'\u003e\r\n\t\u003cimg height=\"50\" width=\"1000\" src=\"http:\/\/ae01.alicdn.com\/kf\/H2ca76d8a082a405c997a21e7ebf284c2f.jpg\" title=\"\" alt=\"\"\u003e\u003cbr\u003e\r\n\u003c\/h3\u003e\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t  \r\n\u003c\/p\u003e\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t\u003cbr\u003e\r\n\u003c\/p\u003e\r\n\u003cdiv style=\"font-size:16px;\"\u003e\r\n\t\u003cdiv\u003e1. TPA3156 series subwoofer high-fidelity 2.1 power amplifier board, on-board Bluetooth 5.0 chip, supports the installation of AUX (audio input) and USB (playing U disk and card reader), and can also install IR (remote control function) and AD_KEY ( button control)!\u003cbr\u003e2. USB can support all lossless format audio file playback (WAV FLAC APE WMA MP3, etc.) a variety of audio formats!\u003cbr\u003e3. TPA3156D2 power amplifier board output power: 2*70W+140W4Ω, power supply is 24V10A. (Amplification gain is 36dB for subwoofer + 32dB for left and right channels)\u003cbr\u003e4. The gain of the bass channel of the power amplifier board is 36dB. The output power is relatively large, please try to connect a subwoofer speaker with a size of 6.5 inches or more and 4 euros and below 140W!\u003cbr\u003e5. The gain of the left and right channels is 32dB, and it can be connected to a 3-6.5 inch high and low frequency speaker power amplifier board within 8 ohms and 30W. The power supply requirements are 8-24V (8V can be turned on, not 8V power supply can reach 2*70+140W) 24V5A power supply above To achieve the best output value, (buyers who use power below 21V are not responsible for the output effect) please use a power supply above 24V5A!\u003cbr\u003e\u003cbr\u003eSpecification:\u003cbr\u003eProduct name: 2.1 channel bluetooth power amplifier board\u003cbr\u003ePower amplifier chip: TPA3156D2*2\u003cbr\u003eBluetooth version: 5.0\u003cbr\u003eAmplifier channel: 2.1 three-channel\u003cbr\u003eSupply voltage: DC8V-24V\u003cbr\u003eSupply current: 3A-10A\u003cbr\u003eOutput power: 2*70+140W\u003cbr\u003eOutput Impedance: 4 ohm\u003cbr\u003eAmplification gain: 36db-32db\u003cbr\u003eDistortion ratio: THD-1%\u003cbr\u003eProduct size: 96 x 40mm\u003cbr\u003eWide voltage power supply: 8V-24V DC power supply (can not be connected to a transformer)\u003cbr\u003eDifferent voltage outputs different power: voltage X current = power (the conversion rate of this board is 90%)\u003cbr\u003eThe digital power amplifier voltage activated output current parameters are as follows:\u003cbr\u003e8V power supply maximum 3A current = 24W (total power) 90%\u003cbr\u003e12V power supply maximum 5A current = 60W (total power) 90%\u003cbr\u003e18V power supply maximum 6A current = 108W (total power) 90%\u003cbr\u003e24V power supply maximum 8A current = 192W (total power) 90%\u003cbr\u003eThat is to say, in the state of 8V power supply, the maximum current is 2A, that is, 3X8=24W and so on!\u003cbr\u003eColour:black+green\u003cbr\u003eMaterial:PCB+Metal\u003cbr\u003e\u003cbr\u003ePackage Contents:\u003cbr\u003e1 * 2.1 channel bluetooth power amplifier board\u003cbr\u003e\u003cbr\u003eOnly the above package content, other products are not included.\u003cbr\u003eNote: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cp\u003e\r\n\t\u003cbr\u003e\r\n\u003c\/p\u003e\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t  \r\n\u003c\/p\u003e\r\n\u003ch3 style='white-space:normal;font-family:\"'\u003e\r\n\t\u003cimg height=\"50\" width=\"1000\" src=\"http:\/\/ae01.alicdn.com\/kf\/H7d5db3f80de248b29a6286f63be89b5fJ.jpg\" title=\"\" alt=\"\"\u003e \r\n\u003c\/h3\u003e\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t  \r\n\u003c\/p\u003e\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t\u003c\/p\u003e\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"width: 100.0%;\"\u003e\u003ctbody\u003e\u003ctr\u003e \u003ctd style=\"margin: 0 auto; text-align: center;\"\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8fe4843e8d80444abe89f001fd8b0dffG.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8d3ca3a8c183497a812c223a1b6bd5f2f.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S075d9ca3314f46ca8a8fbbc61df0aff59.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sbaf5b6c1006546da8e13776a6728b8471.jpg\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg border=\"0\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8ca226d3766c4af29f9989c5227a931df.jpg\"\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\r\n\r\n\u003cp style='font-size:13.3333px;white-space:normal;font-family:\"'\u003e\r\n\t  \r\n\u003c\/p\u003e\r\n\u003ch3 style='white-space:normal;font-family:\"'\u003e\r\n\t\u003cimg height=\"779\" width=\"950\" src=\"http:\/\/ae01.alicdn.com\/kf\/H32fb6bb45f29466eb3972c27c34e57d8s.jpg\" title=\"\" alt=\"\"\u003e \r\n\u003c\/h3\u003e\r\n\u003ch3 style='white-space:normal;font-family:\"'\u003e\r\n\t\u003cimg height=\"391\" width=\"950\" src=\"http:\/\/ae01.alicdn.com\/kf\/Hb8644ac0228b40e68c9fac89f11ba483h.jpg\" title=\"\" alt=\"\"\u003e \r\n\u003c\/h3\u003e\r\n\u003ch3 style='white-space:normal;font-family:\"'\u003e\r\n\t\u003cimg height=\"754\" width=\"950\" src=\"http:\/\/ae01.alicdn.com\/kf\/H52fb93aafa7046a58dde1ef0cddbd068Q.jpg\" title=\"\" alt=\"\"\u003e \r\n\u003c\/h3\u003e\r\n\u003cdiv\u003e\r\n\t\u003cbr\u003e\r\n\u003c\/div\u003e","brand":"Yoeruyo","offers":[{"title":"blackgreen","offer_id":55506301124907,"sku":"14:200025551#blackgreen","price":127.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S8fe4843e8d80444abe89f001fd8b0dffG_e8ad1387-912e-4b49-9555-26c02e36032b.webp?v=1788929717","url":"https:\/\/yoeruyo.com\/products\/b29c-tpa3156d2-2-1-channel-bluetooth-5-0-digital-amplifier-board-2x-70w-140w-high-power-subwoofer-class-d-amplifier-dc8v-24v","provider":"Yoeruyo","version":"1.0","type":"link"}