Adopting XY-T3002P chip, audio power core, high efficiency, low power consumption, high-definition sound quality, and comprehensive protection mechanism. Easy to use, tuning of high and low frequencies, more convenient to use. Low loss, using digital amplifier specific inductors for lower losses. Multiple decoding options, supporting Bluetooth audio decoding and USB flash drive decoding. Product name: Bluetooth digital audio amplifier board Product model: XY-T3002P Power supply: DC19-51V/10A or above Bluetooth version: 5.2 Audio source input: Bluetooth/AUX/U disk/USB sound card Bluetooth audio decoding: AAC U disk lossless decoding: WAV FLAC APE MP3 Left and right channel output power: 30W+30W8/24VDC 70W+70W4/24VDC 80W+80W8/36VDC 160W+160W@ 4/36VDC 160W+160W@ 8/50VDC 300W+300W @4/50VDC Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:PCB+components Package Contents: 1 * Amplifier Board Only the above package content, other products are not included. Note: Light reflection 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.