Advanced micro amplifier board measuring 20×19mm, featuring excellent noise suppression and high-quality audio performance.

• Excellent noise suppression - no audible noise when close to speaker with no input audio
• Two-channel stereo output
• 5V power supply delivers 3W + 3W power output
• Directly drives 4-8Ω small speakers
• Unique LC filter-free Class D digital power board
• Can be powered directly from computer USB
• Dual-panel wiring design for ground potential balance and channel crosstalk prevention
• Ultra-miniature design for easy integration into digital products
• High zoom efficiency
• Machine-soldered entire board for consistent quality
• Rated working voltage: 2.5-5V, limit operating voltage: 5.5V

Important Note: The left and right channel output negatives cannot be connected together, as this may damage the IC and connected speakers when powered.

1 × 2 Channels 2×3W PAM8403 Class D Audio Amplifier Board

Note: Only the above package content is included. Other products are not included. Slight color variations may occur due to lighting and display differences. Measurement tolerance: ±1-3cm.

• Normal packaging
• Export carton
• Custom packing available
• All orders shipped within 3-25 days after payment confirmation

PAYMENT: Standard terms: 30% deposit in advance, 70% balance before shipment. Online trade assurance orders available. Multiple payment methods accepted (T/T, PayPal, Western Union).

SHIPPING: 100% strict inspection and testing before shipment. One-week replacement for defective goods upon arrival. One-year warranty included.

We consistently receive 5-star feedback from our customers, demonstrating our commitment to high-quality products and professional services.