◆ Mini Power, Big Sound for Your DIY Projects
Upgrade your audio projects with this 6-pack of PAM8403 Class D stereo amplifier boards. Each compact module packs 3W+3W dual-channel output into a tiny footprint, delivering clear, efficient sound without the heat — perfect for makers, hobbyists, and electronics enthusiasts who need reliable amplification in tight spaces.

◆ Versatile Applications for Makers & Builders
► DIY Portable Speakers — Build custom Bluetooth speakers or powered speaker boxes with 3D-printed enclosures
► Development Boards — Add quality audio output to Arduino, Raspberry Pi, ESP32, and microcontroller projects
► Monitor & TV Sound Upgrade — Enhance the built-in speakers of LCD monitors, laptops, projectors, and portable DVD players
► Gaming & Mobile Devices — Boost audio for game consoles, phone speakerphones, and handheld entertainment systems
► STEM & Education — Excellent for electronics classrooms, robotics projects, and hands-on learning kits

◆ Technical Specifications
Amplifier IC: PAM8403 Class D
Output Power: 3W × 2 (at 5V, 4Ω load)
Operating Voltage: DC 2.5V – 5.5V
Efficiency: Up to 90% Gain: 24 dB (fixed)
Speaker Impedance: 4Ω – 8Ω (4Ω recommended)
Dimensions: Approx. 21mm × 18mm × 3mm
Features: Onboard volume potentiometer, filterless design, low EMI, short-circuit protection, thermal shutdown

◆ What You Get
✔ 6 × PAM8403 Mini Digital Amplifier Board with Volume Control

◆ Important Usage Notes
Power supply voltage must not exceed 5.5V; reverse polarity will damage the IC
Left and right channel speaker outputs are independent — do not connect the negative terminals together
Connect speakers before applying power to prevent chip damage
For cleanest sound, use a regulated 5V power source and keep input wiring short
Input pins: L (Left), R (Right), G (Ground) — LRG three-wire input; ensure correct wiring before powering on

◆ Why Choose This 6-Pack?
Whether you are building one perfect speaker or prototyping multiple designs, having six boards on hand means you can experiment, iterate, and build without waiting. The PAM8403 remains the go-to choice for low-voltage, high-efficiency audio amplification in the maker community worldwide.