PAM8403 MINI BLUETOOTH AUDIO DIGITAL POWER AMPLIFIER BOARD PCB USB POWER SUPPLY
Sepcifications
Bluetooth receives digital amplifiers
Audio input mode: Bluetooth audio reception
Amplifier output power: 2X3W (output connected speakers, can not be used to output to the amplifier)
Drive speaker impedance: 4 ~ 8 ohms
Power supply interface: Micro USB Block (charge cable connected to the computer USB rechargeable USB can supply 5V)
Output interface: 2.54 stitches from 4-pin