Feature:
Stereo Bluetooth digital amplifier board
Amplifier chip: Yamaha YDA138
Operating voltage: 8.5~14V DC (power input with polarity protection)
Recommended power supply: 12V DC current 2A
Output power: 2x10W (8 ohms), 15W+15W (4 ohms)
Output impedance: 4 ~ 10 ohms
Specifications Model: SW-HF187
Package Include:
1 × Digital YMA138-D Yamaha Class D Dual-Channel Bluetooth Amplifier Stereo Board