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PAM8403 5V 2-Channel 3W Mini Audio Amplifier Board with Volume Control
PAM8403 5V 2-Channel 3W Mini Audio Amplifier Board with Volume Control
Regular price
HK$15.00
Regular price
Sale price
HK$15.00
Shipping calculated at checkout.
Quantity
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Delivery Options
Delivery Options
- Local delivery within Hong Kong and in-store pickup.
- Free shipping for orders of HK$400 or above; HK$35 shipping fee for orders below HK$400.
- Shipped by SF Express, usually dispatched the same day for orders confirmed before 6:00 PM (Mon–Sat).
- Estimated delivery time: 1–3 business days after dispatch (Hong Kong).
- In-store pickup details (location and time) will be confirmed by email or phone message.
- Delivery times are estimates and may be affected by weather or unforeseen circumstances.
Upgrade your DIY audio projects with this compact and efficient PAM8403 Audio Amplifier Board. Designed with the PAM8403 chip, this Class-D digital amplifier delivers powerful sound (2x3W) in a miniature form factor. It features a built-in potentiometer with a switch, allowing for easy volume control and power management. Perfect for USB-powered speakers, portable radios, and custom sound systems.
Key Features:
- High Efficiency Class-D: Delivers 3W + 3W output power with high fidelity and low noise.
- Integrated Controls: Comes with a high-quality potentiometer for smooth volume adjustment and a built-in power switch (turn counter-clockwise to shut down).
- Flexible Power: Operates on DC 2.5V to 5.5V. Can be easily powered via a computer USB port or a 5V power bank.
- Compact Design: Ultra-small footprint (approx. 28mm x 20mm) fits into tight enclosures.
- Superior Filtering: Equipped with a solid-state filter capacitor for stable performance and clear audio output.
Technical Specifications:
- Chip: PAM8403 (Class D)
- Operating Voltage: DC 2.5V - 5.5V (Recommended 5V)
- Output Power: 3W x 2 (at 4Ω load)
- Speaker Impedance: 4Ω - 8Ω (4Ω recommended)
- Dimensions: 29.5mm x 20.2mm x 15mm (excluding potentiometer handle)
- Protection: Current limit and thermal protection.
Application Note:
- Ensure the power supply voltage does not exceed 5.5V to prevent chip damage.
- The "Negative" outputs of the Left and Right channels should not be connected together; they must be connected directly to the speaker terminals.
