Origin:CN(Origin)
Compatible Audio & Video Equipment Style:Speakers
Model Number:XH-A156 PAM8403 amplifier board
Dimensions (WxHxD)):46*29*13mm
XH-A156 DC5V 4-channel PAM8403 digital power amplifier board module 4*3W output amplifier for speakers Support dual audio input
Product introduction:
XH-A157 digital power amplifier board, the input voltage is DC5V, supports dual audio input, can play two sets of music at the same time, can also input a set of audio, four channels are output at the same time, the onboard audio switch switch can ly switch dual audio The channel is still four-channel output. Note that when switching from dual audio to single audio input, you need to unplug a set of audio before turning on the switch, otherwise it may appear that the music is confused, harsh and unpleasant, or it may cause electrical reverse flow and damage your audio source equipment. The power of this amplifier is 3W*4.
note
When switching from dual audio to single audio input, you need to unplug a set of audio before turning on the switch, otherwise it may appear that the music is confused, harsh and unpleasant, or it may cause electrical backflow and damage your audio source equipment. This amplifier does not support the mode of switching the audio switch to one up and down.