EC Buying 20 Pcs PAM8403 Amplifier Board 2X 3W Super Mini Digital Power Amplifier Board Class D Audio Speaker Sound Board Amplificador Volume Control 2.5V to 5V Input with USB Power Supply
Product Description
EC Buying 20 Pcs PAM8403 Amplifier Board 2X 3W Super Mini Digital Power Amplifier Board Class D Audio Speaker Sound Board Amplificador Volume Control 2.5V to 5V Input with USB Power Supply
- Excellent noise suppression. Without receiving input audio, you can't hear any noise when your ear is close to the speaker
- Two-channel stereo. 5V power supply can output 3W+3W power, can directly drive 4 Ω, 8 Ω mini speakers, with high output power, sufficient energy and good sound quality
- The unique Class D digital power board without LC filter can directly use the USB power supply of the computer
- Double-panel wiring can properly solve the ground potential balance and crosstalk between sound channels caused by wiring. The subminiature design can easily be placed in the internal small space of various digital products, and the amplification efficiency is extremely high
- The whole plate is welded by machine, and the welding quality is comparable to that of manual soldering iron welding
Technical Specifications
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