GF1002 PAM8403 Audio Amplifier Board with USB Power and Potentiometer 2 Channels 2.0
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Product Overview
Mini PAM8403 DC 5V 2 Channel USB Digital Audio Amplifier Board Module 2 * 3W Volume Control with Potentiometer
Description: PAM8403 small digital amplifier chip delivers high-definition sound that highlights the advantages of digital chips. The circuit features the most reasonable configuration with power supply filtering upgraded to 470μF. Built on 1.6mm glass fiber board, this amplifier outputs 3W + 3W high-fidelity sound. Features original potentiometer with 15-year lifespan and switch functionality (counter-clockwise rotation turns off power). Highly praised by buyers.
Key Features
- Model: PAM8403
- Power: Low Power
- Dimensions: 29.5 × 20.2 × 15mm (excluding protruding potentiometer lever)
- Excellent noise suppression - no audible noise when no audio input connected
- Two-channel stereo output
- 5V power supply delivers 3W + 3W output power
- Directly drives 4Ω, 8Ω small speakers
- Unique non-LC filter Class-D digital power board
- Compatible with computer USB power supply
- Double-sided PCB wiring for proper ground potential balance and reduced inter-channel crosstalk
- Ultra-miniature design for easy integration into digital products
- High amplification efficiency
- Machine-soldered for consistent quality
Technical Specifications
Rated working voltage: 2.5V ~ 5V
Limit operating voltage: 5.5V
Important Note: The left and right channel output "negative" terminals cannot be connected together, otherwise it will burn the IC. Speakers should be connected before power is applied (load required).
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Certificates & Production Processes
Packing & Delivery
- Normal packaging
- Export carton
- Custom packing available
- All orders shipped within 3-25 days after payment confirmation
Payment & Shipping
PAYMENT: Standard payment terms: 30% deposit in advance, 70% balance before shipment. Online trade assurance orders available. Additional payment methods: T/T, PayPal, Western Union.
SHIPPING: 100% strict inspection and testing before shipment. Replacement within one week for defective goods. One year warranty included.
Customer Reviews
This is a selection of 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.
Frequently Asked Questions
Q: What is the minimum order quantity for your products?
A: If you need a small order, please contact us.
Q: How long is your delivery time?
A: The product will be sent within 3 days after payment is confirmed, and the delivery time is 3 to 6 days.
Q: Do you test or inspect all items before delivery?
A: Yes, we tested and checked all items before shipment.
Q: What is your warranty?
A: 60 days after receiving the goods. Our products are 100% tested before being shipped. If the goods are defective, please notify us within 3 days after delivery. Any item must be returned as is to be eligible for a refund or payment. The buyer is responsible for all freight incurred.
Q: How do I pay for the order?
A: We accept wire transfer, Western Union, PayPal, MoneyGram, escrow (if you prefer other methods, please contact us).
