Ct14 Micro 4.2 Stereo Power Amplifier Bluetooth Board Module For Idle

This product has dual 5W power amplifier circuit. It can not be used in addition to the power amplifier. F class power amplifier 5W+5W, high power output, over 8002 sound quality. It is suggested that a 3.7-5V lithium battery (the lithium battery needs a protective plate. ).