PAM8403 Digital Power Amplifier Board

Components

A miniature Class-D dual-channel audio amplifier module delivering efficient 2x3W stereo amplification directly to 4 Ohm or 8 Ohm speakers. Operating on a low 2.5V to 5V DC supply, it features over 90% power efficiency, low noise distortion, and minimal external component count for portable embedded audio projects.

Specifications:

- Amplifier Architecture: Dual-Channel Class-D Stereo IC
- Output Power: 2x 3 W @ 10% THD into 4 Ohm load
- Operating Voltage: 2.5 V to 5.5 V DC (5V USB compatible)
- Speaker Impedance Match: 4 Ohm to 8 Ohm
- Efficiency Rating: > 90%
- Protection: Overcurrent protection, thermal shutdown
- Primary Application: Battery-powered speakers, microcontroller audio playback, portable electronics

Current Stock: 1              Borrowed: 0

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Stinnia Hansen Kleist

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