2x5W Stereo Amplifier Board DC 5V DIY Speaker Sound System

1 LOW QUIESCENT CURRENT: Output power: 5W 2 ; efficiency: >90%; total harmonic distortion plus noise: <10%. 2 A VARIETY OF PROTECTION: Amplifier board has a power input reverse protection, short circuit, overheating, can be over EMI and other protection. 3 TYPE SELECTION: Sound amplifier board can be external amplifier type selection function, high level Class D, low level Class AB, default high level. 4 SHUTDOWN: Stereo power amplifier board supports external shutdown, low level when the chip is shut down. 5 MUTE: Dual channel amplifier board can be externally mute, low level mute, default high level, noise suppression.

What's in the box
1 x Amplifier Board