PAM 8403 - 5v Digital Stereo Class-D Amplifier Board 2 Channel - PAM8043

PAM 8403 - 5V Digital Stereo Class-D Amplifier Board 2 Channel

The PAM8403 Digital Stereo Class-D Amplifier Board is an audio module. It operates from a 2.5V to 5V DC supply. The board provides 3W per channel, offering stereo sound output. It achieves an efficiency of 85%. The integrated LC filter-free Class-D design supports direct drive of 4Ω or 8Ω small speakers. Board dimensions are 21mm x 18mm x 2.6mm. This module is suitable for low-power audio amplification tasks.

Specifications:

• Model: PAM8403
• Input Voltage: 2.5V-5V DC
• Working Mode: Class-D (PWM modulation type)
• Output Power: 3W + 3W (Stereo)
• Impedance Support: 4Ω / 8Ω speakers
• Efficiency: 85%
• Board Dimensions: 21mm x 18mm x 2.6mm

Key features and benefits:

• Dual-channel stereo output: 3W + 3W
• Input voltage range: 2.5V to 5V DC
• Amplification efficiency: 85%
• LC filter-free Class-D design
• Board dimensions: 21mm x 18mm x 2.6mm
• Speaker impedance support: 4Ω or 8Ω

Applications:

• Integration into USB-powered mini audio systems
• Use in portable speaker builds
• Custom audio projects requiring compact amplification
• Embedded sound modules for various devices
• Battery-powered audio amplification solutions

Frequently Asked Questions:

Q: What is the maximum input voltage for the PAM8403 board?
A: The PAM8403 board accepts an input voltage range of 2.5V to 5V DC.

Q: Can this amplifier drive 8Ω speakers?
A: Yes, the PAM8403 board supports both 4Ω and 8Ω speakers.

Q: What is the power output per channel?
A: The board provides 3W per channel, totaling 3W + 3W stereo output.

Q: Does this board require an LC filter for output?
A: No, the PAM8403 features an LC filter-free Class-D design for direct speaker drive.

Package Includes:

*Image shown is a representation only.

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