PAM8403 Mini Audio Amplifier Module with Volume Control Potentiometer – 3W+3W Stereo 5V for DIY Speakers

The PAM8403 with Potentiometer is a complete, all-in-one audio solution for makers. It eliminates the need for external volume circuits, making it incredibly easy to integrate into custom enclosures, arcade machines, or portable Bluetooth speakers. This 3W+3W stereo amplifier runs on a simple 5V supply and features an integrated knob that acts as both a volume slider and a power switch. Just turn it clockwise to “click” it on and increase the volume!

Key Features ✨

• Integrated Volume Knob: High-quality potentiometer for smooth audio adjustment and a built-in ON/OFF switch.

• Class D Clarity: High efficiency (90%) means no bulky heatsinks are required, even at maximum volume.

• 5V Power Friendly: Can be powered by a USB port, Power Bank, or 18650 Battery (via a 5V boost or regulator).

• Super Compact: Small enough to fit inside a 3D-printed enclosure or a handheld gaming mod.

• Low Distortion: Delivers surprisingly high-quality sound for its size, perfect for voice and music.

Technical Specifications ⚙️

Feature	Specification
Operating Voltage	2.5V to 5.5V DC
Output Power	3 Watts + 3 Watts (Stereo)
Control	Integrated Potentiometer (with Power Switch)
Speaker Type	4Ω to 8Ω (Best with 4Ω)
Efficiency	>90%
Mounting	Includes Nut and Washer for panel mounting
Dimensions	29mm x 20mm (excluding knob shaft)

Why Choose This Version? 🤔

• Simplicity: No need to wire up a separate switch or variable resistor.

• Clean Build: The threaded shaft allows you to mount the amplifier directly to a project box or panel for a professional look.

• Power Saver: The built-in switch ensures your battery doesn’t drain when the speakers aren’t in use.