Velleman 3W Audio Amplifier Board

The 3W Audio Amplifier Board has a dual channel stereo output 3W and also features a 3W power class D amplifier. Dual channel stereo output 3W which also features a 3W power class D amplifier; High amplification efficiency 85%; Can directly drive 4 O/8 O small speakers; Operating Voltage: 2.5 to 5 VDC; Sound processor: PAM8403