Product Features Amplifier module product description If you need more details, please contact us. Excellent noise suppression, without input audio, near the speaker's ear can not hear any noise, two-channel stereo, 5V power supply can output 3W +3 W power supply, you can directly drive 4,8 small speakers, the output Power, energy, sound quality are good. The unique LC-free Class D digital board can be powered directly from the computer's USB. Double-panel wiring, properly solve the grounding caused by the ground potential balance and crosstalk between the micro-channel design can be easily placed in a variety of digital products in a small space, high efficiency amplification. All machines used for the entire plate welding, welding quality non-manual iron comparable The module length and width are 21mm * 19mm This module is only a DIY enthusiasts experiment, the higher your product requirements, please take caution carefully photographed using a separate 5V input Note: Left and right channel output "negative" can not be connected together, otherwise it will burn IC, and in the first A speaker (load) should be connected to the power before.
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