PAM8403 Mini 5V Digital Amplifier Board With Switch Potentiometer [Original]

PAM8403 Mini 5V Digital Amplifier Board With Switch Potentiometer

The PAM8403 Mini 5V Digital Amplifier Board is a compact audio amplification module. It delivers 3W+3W stereo sound output. Operating voltage range is 2.5V to 5.5V DC. An integrated switch potentiometer controls both power and volume. The circuit incorporates a 470uF power supply filtering capacitor. This capacitor contributes to sound stability. Its small dimensions facilitate integration into portable and custom audio applications. The module utilizes the original PAM8403 digital amplifier chipset.

Specifications:

• Operating Voltage: 2.5V to 5.5V DC
• Maximum Output Power: 3W x 2
• Adjustable Power Switch with Volume Control: Yes
• Length: 30 mm
• Width: 20 mm
• Weight: 8 gm
• Chipset: PAM8403
• Amplifier Type: Class D Digital
• Power Supply Filtering Capacitor: 470uF

Key features and benefits:

• 3W+3W stereo audio output
• Integrated switch potentiometer for volume control and power cutoff
• 470uF power supply filtering capacitor
• Compact dimensions (30 mm x 20 mm)
• Operating voltage range: 2.5V to 5.5V DC
• Utilizes PAM8403 Class D digital amplifier chip
• Original component for consistent performance

Applications:

• Portable Bluetooth speakers
• DIY audio systems
• Educational electronics kits
• Small home audio setups
• MP3 player amplification
• Robotics projects requiring audio output

Frequently Asked Questions:

Q: What speaker impedance is compatible with the PAM8403 board?
A: The PAM8403 board is typically compatible with 4-ohm to 8-ohm speakers.

Q: What is the recommended current supply for the PAM8403 amplifier at maximum output?
A: A power supply capable of delivering at least 1A at 5V DC is recommended for maximum output.

Q: How should the power input polarity be connected to the PAM8403 module?
A: The module has clearly marked positive (+) and negative (-) terminals for DC power input. Observe correct polarity to prevent damage.

Q: Does the PAM8403 board require a heatsink for operation?
A: For typical 3W+3W applications within the specified voltage range, a heatsink is generally not required due to the Class D efficiency.

Package Includes:

*Image shown is a representation only.

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