2*3W DC 5V Ultra-Small PMA8403 Class D Audio Amplifier Board for Mini Speakers

TPA8403 MINI 5V Digital Power Amplifier Board with Switch Potentiometer USB

TPA8403 is a compact digital power amplifier chip that delivers high-definition sound quality, highlighting the advantages of digital chip technology. The circuit employs optimal peripheral configuration with upgraded power supply filtering using 470μF capacitors (compared to 100μF or no capacitors used by some sellers). Built on 1.6mm glass fiber board, this amplifier board represents meticulous craftsmanship, delivering 3W+3W high-fidelity sound output. It's an exceptional product that audio enthusiasts appreciate.

The potentiometer features an original anti-body design with a lifespan of up to 15 years. The switch potentiometer allows direct power cutoff when turned counterclockwise. This product has consistently received positive feedback from buyers!

All orders are shipped within 3-25 days after payment confirmation.

• Normal packaging
• Export carton
• Custom packing available

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. Replacement within one week for original defective goods. One-year warranty included.

This selection represents positive feedback from our customers, all rated 5 stars. This demonstrates our excellence as a supplier and confirms our high-quality products and professional services.