Kingduino Compatible 2 Channel Audio Amplifier Board

Description

2 Channels 3W Audio Amplifier Board, Output is CMOS BTL Driver. The board can also be powered by 5V USB Power Supply or 4, 1.5V Batteries Perfect Audio Amplifier Board for MP3/MP4/notebook.

Specs:
Color: Red
Material: PCB
Current: DC 2.5 ~ 5.5V
Output power: 3W + 3W (at 4ohm)
Noise ratio: 90dB
Frequency: +90%
Weight: 4g

*Note: This is not an original Arduino brand product.