Products introduction:

XH-A157 dual channel digital power amplifier board, input voltage is DC5V, using 3.5 mmaux audio
input, on-board 50K volume adjustment relay, can be used as power amplifier on and off, and can also adjust the volume freely; This model
the power amplifier also has dual channel audio output with a power of 2*3W.

Specifications:

Product Name: Dual Channel digital power amplifier
product Model: XH-A157
input voltage: DC5V
audio input: 3.5mm AUX audio cable
number of channels: double channels.
Output power: 2*3W
appearance size: 37*22*13mm
product Weight: about 14g

Package Include:

1 Digital Amplifier Board