PAM8403 Stereo Audio Amplifier Module with Switch Volume Control
Features: - Dual channel stereo output 3 w + 3 w power Class D - Works with 2.5V-5v power supply - High amplification efficiency 85% - Can directly drive 4 /8 small speakers - Good sound quality & noise suppression - Unique without LC filter class D digital power board - Can use computer USB power supply directly - Small Size, 1.85 x 2.11 cm - Can easily fit in a variety of products