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.
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