Specification:

Power supply type: AC Double 12V
Output voltage: DC 12V
Quiescent current: 40mA
Frequency range: 20Hz-60KHz
Number of channels: 2
Output impedance: 4-8 ohm speaker
Plug type: 3.5mm stereo interface
Carrying power: 30W + 30W
Chip Type: TDA2030A
Signal to noise ratio: 110dB
Appearance size: 73 x 87mm

Power amplifier board note:

1. Subwoofer enclosure and subwoofer Speaker power requirements are large enough
2. Subwoofer box recommended to install the appropriate sound-absorbing cotton, so to get better bass overweight, but also with a good subwoofer
3. Power is Recommended to use Ring Cow Dual 12V transformer, ring cattle transformer can provide sufficient power.

Package included:

1 x TDA2030A 30W+30W power amplifier board