4pcs PAM8403 Mini DC 5V Digital Audio with Potentiometer

Description

• Premium Quality AssuranceEach unit is 100% brand new, boasting top-tier quality, with a power supply range of 5V DC and a minimum output capability of dual 3W speakers.
• Optimized DesignThe device features an authentic anti-clockwise potentiometer body, enabling the direct cutoff of power with the counterclockwise turn. It is equipped with a rationally designed peripheral circuit for optimal performance.
• Compact Amplification ChipThe PAM8403, a miniature digital amplifier chip, is integrated to showcase the superior attributes of digital technology in amplification.
• Enhanced CircuitryThe circuitry is meticulously configured for high performance, with an upgraded power filter to 470F and the use of 1.6mm glass fiber, ensuring exceptional audio characteristics.
• Integrated Safety FeaturesThe system delivers high-fidelity sound at 3w + 3w output and includes a noise reduction chip. It also incorporates short circuit current protection and over-temperature safeguards to ensure reliable operation.

Product Description:
1. Working voltage: 2.5V-5.5V
2. Maximum output power: 3W*2 (5V 4)
3. Length: 29mm
4. Width: 20mm
5. Overall height after installation is about 16mm.

Note:
Please make sure the power supply voltage does not exceed 5.5V.br/>
Do not connect "+" and "-" in reverse, otherwise the circuit board will be burned.

Shipping and Returns

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