_x000D_ _x000D_ _x000D_ 1 PCS XH-A157 PAM8403 Digital Audio Amplifier Board Double Desktop Audio Amplifier Board 3W _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ XH-A157 dual-channel digital amplifier board with DC5V input voltage._x000D_ Adopt 3.5mmaux audio input, 50K volume adjustment on board._x000D_ Input, onboard 50K volume adjustment relay, which can be used as power amplifier on and off, and also can freely adjust the volume._x000D_ This power amplifier also has dual channel audio output with 2*3W power._x000D_ It has the characteristics of small size, high efficiency, high power and low heat generation._x000D_ _x000D_ Product name: Dual-channel digital amplifier board_x000D_ Product Model: XH-A157_x000D_ Input voltage: DC5V_x000D_ Audio input: 3.5mm AUX audio cable_x000D_ Number of channels: dual-channel_x000D_ Output power: 2 * 3W_x000D_ Colour:green_x000D_ Material:PCB_x000D_ Size:41 x 37 x 13mm_x000D_ _x000D_ Package Contents:_x000D_ 1 x Amplifier Board_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ 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._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_