PAM8403 Mini 2 Channel 3W Stereo Audio Power Amplifier Board with Volume Control & Switch

This miniature PAM8403 3W Class D audio amplifier module offers low THD+N, allowing it to achieve high-quality sound reproduction, all in a form factor about the size of a US postage stamp. It can operate from a 5V USB power supply or batteries, and includes a power switch and volume control potentiometer for ease of use. It can be used in any DIY design requiring a miniature audio amplifier, especially portable and mobile applications operating on battery power. Features: Can use the computer USB port, USB power bank or a mobile phone charger to supply the 5V support power Battery power can also be used High efficiency: 90% Provides 3W (left channel) + 3W (right channel) output power into a 4Ω speaker load and 5V power supply CMOS class D amplifier design for high efficiency and low cost Noise canceling circuit built into the amplifier board Power on / off without popping noise Integrated power switch and volume control (turn knob fully counter-clockwise to turn off) Short-circuit cu