PAM8406 Stereo Digital Amplifier Board 5W×2 DC 2.5-5V USB Powered Class D Audio Module with Independent Left/Right Volume Control

Name: PAM8406 Stereo Digital Amplifier Board 5W×2 DC 2.5-5V USB Powered Class D Audio Module with Independent Left/Right Volume Control
SKU: 6a03e2fd2f2ed701c3d7fa3a
Price: 3 EUR
Availability: InStock

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Product Description PAM8406 ultra-miniature stereo digital amplifier board features excellent noise suppression and independent left/right channel volume adjustment. Adopts Class D design without LC filter requirement, can be directly powered by computer USB port. With double-sided PCB wiring and machine welding process, it effectively solves ground potential balance and inter-channel crosstalk issues, delivering stable and clear sound quality. Ultra-compact size and lightweight design make it ideal for various small space audio applications.

Technical Specifications - Model: PAM8406 - Amplifier Type: Class D (No LC filter required) - Rated Working Voltage: DC 2.5V-5V - Maximum Limit Voltage: 5.5V - Output Power: 5W×2 Stereo (5V input) - Supported Speaker Impedance: 4Ω / 8Ω - Product Size: 23×24mm - Net Weight: 0.45g - Welding Process: Full machine welding

Core Features - ✅ Excellent noise suppression: No audible noise even when ear is close to speaker without audio input - ✅ Independent left and right channel volume adjustment for precise sound control - ✅ Unique non-LC filter design, directly powered by computer USB port - ✅ Double-sided PCB wiring, eliminates ground potential imbalance and channel crosstalk - ✅ High amplification efficiency and low power consumption - ✅ Ultra-miniature size, easily fits into small digital devices - ✅ All components machine-welded, ensuring consistent and reliable quality

⚠️ IMPORTANT USAGE WARNING Do not exceed 5.5V input voltage, otherwise the amplifier chip will be permanently damaged.

Applicable Scenarios - DIY portable Bluetooth speakers - USB powered audio devices - Small desktop speaker upgrades - Mini audio systems - Toy audio modification - Headphone amplifier projects

Package List 1 × PAM8406 Stereo Digital Amplifier Board with Volume Potentiometer

Notes 1. Slight 1-2mm size deviation exists due to manual measurement 2. Item color may have minor differences influenced by different monitor displays and lighting conditions 3. Please use a stable DC 2.5V-5V power supply for best performance

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