High-quality 3W stereo amplifier based on the PAM8403 chip. Small footprint is ideal for portable application. Low current drain. Operates on 2.5-5Vdc. 24.5 X 15.0 X 3.5mm pc board. Easy to connect, clearly marked solder or header connections. Requires the addition of a potentiometer. For a similar board with pot already onboard see CAT# AMP-8403VC.