Mini PAM8403 Digital Audio Amplifier Board 4 Channels 3W*4 DC 5V Stereo Sound AMP XH-A156 with Cable for Speaker

Description Channels 4 channelsAmplifier Chip PAM8403 Working Voltage DC5V Output power 3W 4 Product size 46 29 13MM 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 ​Package Included 1 x Mini PAM8403 Digital Audio Amplifier Board