Ultra-mini PAM8403 Digital Amplifier Board 2 * 3W Class D Digital Amplifier Board Efficient 2.5 to 5V USB Power Supply
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1. Excellent noise suppression. When the input audio is not connected, no noise can be heard when the ear is attached to the speaker. Two-channel stereo, 5V power supply can output 3W+3W power, and can directly drive 4Ω, 8Ω small speakers, The output power is large, the energy is sufficient, and the sound quality is good.
2. The unique Class D digital power board without an LC filter can be directly powered by the computer’s USB.
The double-panel wiring can properly solve the ground potential balance and the crosstalk between the channels caused by the wiring. The ultra-miniature design can be easily placed in the small internal space of various digital products, and the amplification efficiency is super high.
3. All machines are used for whole board welding, and the welding quality is comparable to non-manual iron welding!
Ultrafine size: 1.85 * 2.11cm
Rated working voltage 2.5 ~ 5V, limit operating voltage 5.5V.
Brand Name: PAM8403
Model Number: PAM8403 module
2 * 3W D Class: Efficient 2.5 ~ 5V
Note: The left and right channel output of the “negative” can not be connected together, otherwise it will burn IC and should be preceded by powered speakers connected (load).
|Dimensions||1.85 × 2.11 × 0.5 cm|