PAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack

PAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack

• 【6-Pack Value Set】 Get six PAM8403 Class D stereo amplifier boards in one pack — perfect for multiple DIY projects, classroom use, or spare replacements. Each board delivers 3W+3W dual-channel output at 4Ω load with up to 90% power efficiency, no heatsink required.
• 【Wide Application】 Ideal for building custom portable speakers, upgrading LCD monitor/TV/projector sound, adding audio to Arduino and Raspberry Pi projects, powering portable DVD players, game consoles, phone speakerphones, and various 5V USB-powered audio setups.
• 【Flexible Power Options】 Operates on a wide 2.5V–5.5V DC range — easily powered via computer USB port, mobile phone charger, power bank, or 3.7V lithium battery. Filterless architecture with low quiescent current ensures clean, stable sound reproduction.
• 【Compact & Easy to Use】 Ultra-mini size fits tight enclosures and 3D-printed speaker boxes. Clearly labeled pins for L-R-G three-wire audio input (Left-Right-Ground), speaker output, and DC power. Onboard potentiometer allows convenient volume adjustment and power switching.
• 【Versatile Application】 Suitable for hobbyists and engineers building custom audio systems, DIY speaker enclosures, robotics, or embedded audio solutions.