PAM8403 Super Mini Digital Amplifier Board 2 * 3W Class D Digital Shiled Efficient 2.5 to 5V USB Power Supply
Feature:
Model:PA8403
Power:Low Power
Super size:1.85*2.11 cm
Excellent noise suppression, in the absence of circumstances connected to input audio ear close to the speaker can not hear any noise, two-channel stereo, 5V power supply can output 3W 3W power, can directly drive 4Ω, 8Ω small speakers, the output power large, full of energy, good sound quality. The unique non-LC filter Class-D digital power board can be directly used computer USB power supply. Double panel wiring, wiring properly resolve the ground potential caused by balance and inter-channel crosstalk, ultra-miniature design, can easily be placed in a variety of digital products within a small space, high amplification efficiency. All using the whole plate welding machine, welding quality comparable non-manual soldering iron!
Product Description :
- Operating voltage: 2.5-5.5VDC
- Working current: 600mA
- Power Output 2x3W, 4-8 ohm speaker,
Note:
The left and right channel output of the "negative" and can not be connected together,otherwise it will burn IC,and should be preceded powered speakers connected (load).
Rated working voltage 2.5V ~ 5V, limit operating voltage 5.5V.