Features:

Product Name : Mini Digital Power Board

USB Power Supply: 2.5V-5V

Power: 3W

IC: PAM8403

PCB Size: 2.1cm X 1.9cm

Material: PCB Aluminum

Net Weight: 2g

Excellent noise suppression and any noise, 2-channel stereo cannot be heard to speakers. There is no situation where there is a 5V power supply that can be powered directly to 4 Ω, 8 Ω small speakers, and output power is large enough to be full of energy, good sound quality.Unique Non-LC Filter Class D Digital Power Board allows you to use the USB power source directly on your computer.Double panel wiring, wiring is properly balanced and crosstalk between channels, ultra-small design to solve the ground potential caused by small spaces, high amplification efficiency and various digital products.All plate full welding machines, use non-hand soldering iron that rivals welding quality

Package Includes:

10 x PAM8403 2*3W Class D Mini Digital Power Amplifier Board AMP 2.5-5V Input 3W+3W 2-Channel