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PAM8403 2x3W Dual Channel Digital Power Amplifier Board
$0.4200
In stock
SKU
SEN-17-052
Volume discounts:
- +100 5 % $0.4000
- +1000 7 % $0.3900
- +5000 10 % $0.3800
- +10000 12 % $0.3700
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TPA3116D2 Dual Channel Audio Amplifier Board - 2x120W Previous 
The PAM8403 2x3W Dual Channel Digital Power Amplifier Board is a compact stereo amplifier board for audio projects and small sound systems. It uses the PAM8403 chip and provides dual-channel output in a small form factor. The board is designed for 5V DC operation and supports low-power, efficient audio amplification. It is suitable for DIY electronics, portable speaker builds, and industrial audio use. The output stage uses a BTL drive mode, and the PCB is made from quality fiber-glass material.
Features of PAM8403 2x3W Dual Channel Digital Power Amplifier Board
- Dual-channel stereo output
- Compact low-profile design
- 5V DC operation
- High-efficiency amplifier stage
- BTL output drive mode
- Quality fiber-glass PCB
Specifications of PAM8403 2x3W Dual Channel Digital Power Amplifier Board
- Main chip: PAM8403
- Input voltage: 5V DC
- Power supply: DC 5V @ least 1A
- Power supply range: 2.5-5.5V
- Output power: 3W + 3W (3.6 ohms)
- Output power: 3 watts per channel (2x3W)
- SNR: 90dB
- Efficiency: > 90%
- Dimensions: 24 * 15 * 3mm
- Positioning hole size: 20mm aperture spacing: 2 mm
- Speaker resistance: 4 to 8 ohms
- Operating temperature: 20- to 70 degrees Celsius
- Power consumption: very low and efficient
How to Use PAM8403 2x3W Dual Channel Digital Power Amplifier Board
- Connect a 5V power supply to the VCC and GND pins.
- Connect the stereo audio input to the input pins.
- Connect 4 ohm or 8 ohm speakers to the output pins.
- Use a connected volume control if adjustment is needed.
More Info
- Do not reverse the power supply polarity.
- Do not exceed 5.5V.
- Use a shielded input cable if needed.
- Do not connect the speaker output to ground.
| Interface Type | Analog |
|---|---|
| Operating Voltage (V) | 5V |
| Operating Temp (°C) | -20 to 70 |
| Dimensions (mm) | 24x15x3 |
| Mounting Type | Soldering |
| Audio Function | Amplifier |
| Output Power | 3W |
| Speaker Impedance (Ω) | 4Ω, 8Ω |
| Input Types | Analog |
| Bluetooth Ver. | No |
| Output Type | Analog |
| Channels | 2-channel |
| Chipset | PAM8403 |
| Signal-to-Noise Ratio (SNR) | 90 dB |
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