TG113 Speaker Board, 5V Bluetooth Amplifier FM USB AUX Card Wireless HI-FI Module with mic Audio Player Decoder Module Kit 5w. TG113 Speaker Board with connector , 5V Bluetooth Amplifier
Best quality audio amplifier circuit. Support AUX, Bluetooth, SD card, USB all. On/off switch, Volume up/down Switch. This circuit supports 5-6 watts speakers. Sound quality is very good. Good bass also. You can connect the mobile with the amplifier using bluetooth. Connect 3.7v lithium ion battery tom power the circuit board.
TG113 Speaker Bluetooth Amplifier Board,Connectors,Battery, USB Charging
1 x Bluetooth Amplifier Circuit