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XH-A156 4 channel PAM8403 digital amplifier board USB5V power supply DIY mini amplifier 4 * 3W output
XH-A156 4 channel PAM8403 digital amplifier board USB5V power supply DIY mini amplifier 4 * 3W output
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Products Description
Product Introduction
The XH-A156 digital amplifier board has an input voltage of DC5V and supports dual audio input. It can play two sets of music simultaneously or input one set of audio, with four channels outputting simultaneously. The board is equipped with an audio switch, allowing for free switching between dual channel and four channel outputs. Note that when switching from dual audio to single audio input, it is necessary to first unplug a set of audio before turning on the switch. Otherwise, there may be music confusion, harsh and unpleasant sound, and it may also cause reverse current and damage your audio source equipment. The power of this amplifier is 3W * 4.
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