DC 12V Digital Audio Amplifier Board, DROK DC12V Small Stereo AMP Module 10W+10W Dual Channel Digital Audio Amplify Circuit Board 2.0 Hi-FiClass-D PC Amplifier Sound System DIY with Power Adapter;

Parameters:
Work: D Class
Quiescent current: 20mA
Efficiency: 90%
Rated output power: 10W +10W (8Ω)
Frequency response: 20Hz to 50KHz
Operating voltage: DC 7.5-15V
Recommended power supply voltage: 12V, the center PIN of 12VDC is +
PCB board size: (40 * 40) mm
Power Interface: 5.5 socket
NOTE:
It is NOT acceptable to connect the - outputs of the L & R speakers together

Power supply:
Input voltage: AC 100 to 240V 50/60Hz
Output voltage: DC 12V
Output current: 2A Max
Voltage accuracy: +/- 5%(in empty load)
Power supply polarity: inside is the positive and outside is negative
Apply to:
Power supply adapter; switch power supply voltage transformer; mini TV; 2.5 inch mobile disk; mobile DVD; TV box; wireless video equipments;
charging devices; MP3/MP4; small table lamp; router; switch; consoles; mobile phones; camera head; monitoring equipments; controller,etc.

Package includes:
1 x DC 12V Digital Audio Amplifier Board
1 PCS Power Supply Adapter