—Work Voltage:DC 5V-27V Above 2A is recommended
—Communication distance:15meter(Without obstacles)
—Match speaker(50W~300W):
—4ohm at 8V~12V
—8ohm at 8V~24V
1>.Stereo Bluetooth Power Amplifier Module*1
2>.Acrylic shell*2
3>.Copper column*4
4>.Screw*8
5>.Steel Nuts*1
6>.DC plug*1
7>.Screwdriver*1
8>.Knob*1
9>.Heat sink*1
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