Mini Digital Amplifier Board 2x3W PAM8403


- Excellent noise suppression in the case is not connected to the input audio, the ear close to the speaker can not hear any noise
- Two-channel stereo, 5V power supply can output 3W +3 W power, can directly drive 4Ω 8Ω small speaker output power, full of energy, good sound quality.
- Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered.
- Dual-panel wiring, properly solve the crosstalk between the ground potential balance and channel wiring
- Ultra-miniature design, can easily be placed in the internal space for a variety of digital products, ultra high zoom efficiency.
- All using the machine for the entire board soldering, hand soldering iron welding quality comparable!
- Rated working voltage 2.5-5V, limit operating voltage 5.5V.
- Size: 1.85 * 2.11cm

Note: The left and right channel output of the "negative" can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before.

1.25 JD
2 JD
In stock

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