3pcs YDA138 bluetooth Digital Amplifier Board 3.5mm Audio Class D Stereo 2 Channel Power
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Features:
Stereo Bluetooth Digital Amplifier Board
Amplifier chip: YDA138
Operating voltage: 8.5~14VDC (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 Ohm
Specifications Model: SW-HF187
Size: 38x60mm
Package Included:
3 x Digital Amplifier Board
