Features:
No input state, you almost can not hear the noise when your ears closed to the speaker. Excellent sound quality.
The board needs to install the appropriate size of the radiator (should not be small).
The power amplifier board is the core of TDA7297 two-channel amplifier chip, the power supply is designed for DC power supply, 12V battery can be directly powered voltage range: 9-15V, the recommended voltage 12V, the output power of up to 15W +15 W, the peak power of 30W +30 W Small volume of sound is super shock, for any occasion.
The amplifier board work efficiency up to 90%, very power-saving, with 12V motorcycle battery-powered continuous playback for more than 5 hours.
The 12V power supply small-size amplifier board deserves to be superb power amplifier module, the owner of this amplifier board push two 6.5-inch 100W speaker sound the same lever, a little do not feel hard, the sound quality is super good.
Finished product specifications: 34x29x25mm (length x width x height).

Specifications:
Size: 34x29x25mm (LxWxH), ultra-small size, for any space.
Voltage: DC 9-15V, recommended voltage 12V, current 2A above
Power: 15W + 15W
Output impedance: 4-8 ohms

Package Included:
1 x Amplifier Board

Notes:
1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.
2.Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!