PAM 8403 Amplifier Module with knob

PAM 8403 Amplifier Module with knob is a compact, high-efficiency Class-D stereo audio amplifier board designed to deliver clear and powerful sound from a small form factor. Built around the popular PAM8403 IC, this module provides 3W + 3W output power, making it an ideal solution for portable audio systems, DIY electronics projects, and embedded audio applications.

Equipped with an on-board volume control knob, the PAM8403 amplifier module allows easy and precise adjustment of audio output without the need for external potentiometers. Its filterless Class-D architecture ensures high efficiency, minimal heat generation, and low power consumption, making it perfect for battery-powered devices.

With simple wiring, wide compatibility, and stable performance, the PAM8403 amplifier board with knob is widely used by hobbyists, students, engineers, and product developers seeking an affordable and reliable audio amplification solution.

Key Features of PAM8403 Amplifier Module with Knob

• 3W + 3W Stereo Output Power
  Delivers clear and distortion-free audio output when paired with 4Ω or 8Ω speakers.

• Built-in Volume Control Knob
  Allows smooth and convenient adjustment of audio levels without additional components.

• High-Efficiency Class-D Amplifier
  Provides up to 90% efficiency, ensuring minimal power loss and reduced heat dissipation.

• Low Power Consumption
  Ideal for portable, USB-powered, and battery-operated applications.

• Filterless Design
  Eliminates the need for external output filters, reducing component count and board size.

• Compact and Lightweight Module
  Small footprint makes it easy to integrate into space-constrained projects.

• Low Noise and Low Distortion
  Ensures clean sound reproduction with minimal background noise.

• Plug-and-Play Operation
  Simple wiring for power input, audio input, and speaker output.

Technical Specifications – PAM8403 Amplifier Module

• Amplifier IC: PAM8403

• Amplifier Type: Class-D Stereo Audio Amplifier

• Output Power: 3W + 3W (at 5V, 4Ω, 10% THD)

• Supply Voltage: 2.5V – 5.5V DC

• Recommended Voltage: 5V DC

• Speaker Impedance: 4Ω to 8Ω

• Number of Channels: 2 (Stereo)

• Efficiency: Up to 90%

• Volume Control: On-board potentiometer knob

• Input Type: Analog audio (L/R)

• PCB Type: FR-4 with high-quality solder mask

• Protection Features: Thermal and short-circuit protection

• Operating Temperature: –20°C to +70°C

Note: Output power depends on supply voltage, speaker impedance, and audio input level.

Applications of PAM8403 Amplifier Module with Knob

The PAM8403 amplifier module with volume knob is suitable for a wide range of audio and embedded applications due to its efficiency, compact size, and ease of use.

• Portable Speaker Systems
  Ideal for DIY Bluetooth speakers, MP3 player amplifiers, and battery-powered audio devices.

• DIY Audio Projects
  Popular among hobbyists and makers for quick prototyping and custom audio builds.

• Embedded Audio Systems
  Used in consumer electronics, toys, and compact audio playback devices.

• Arduino & Raspberry Pi Projects
  Easily integrates with microcontroller and single-board computer audio outputs.

• Computer & Laptop Speakers
  Suitable for low-power desktop speaker amplification.

• Educational & Training Kits
  Perfect for teaching audio amplification concepts and electronics fundamentals.

• Smart Home & IoT Devices
  Used in voice alert systems, smart assistants, and notification modules.

Why Choose the PAM8403 Amplifier Module with Knob?

The PAM8403 amplifier board with volume control offers an excellent combination of sound quality, power efficiency, and ease of integration. Its built-in knob eliminates the need for external volume control circuits, simplifying design and reducing overall cost. With reliable performance, compact size, and wide application support, this module is a preferred choice for both beginners and professionals.

Whether you are building a portable speaker, enhancing an embedded system, or experimenting with audio electronics, the PAM8403 Amplifier Module with Knob provides a cost-effective and high-quality solution for your audio amplification needs.

Package Includes:

1 x PAM 8403 Amplifier Module with knob

FAQ

1. Where can we buy this PAM 8403 Amplifier Module with knob?

This product is available online https://aiiottech.in/product/pam-8403-amplifi…module-with-knob/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this PAM 8403 Amplifier Module with knob after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: PAM 8403 AMPLIFIER REVIEW