
PAM8403 2x3W Class D Stereo Audio Amplifier Board 2.5–5V
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
RAM ElectronicsCheapest | PAM8403 Mini 5V Digital Audio Amplifier Board 2x3W | 35 EGP | View in store |
UGE | PAM8403 Micro digital amplifier board 2 * 3W Class D digital power amplifier module 2.5 ~ 5V USB power supply | 35 EGP | View in store |
Microohm | PAM8403 Mini 5V Digital Amplifier Board With Switch Potentiometer | 35 EGP55 | View in store |
Most Electronics | PAM8403 Digital Audio Amplifier Board with Potentiometer | 44.99 EGP58.51 | View in store |
Circuits Electronics | PAM8403 Audio Amplifier (2X3W Digital Stereo Speakers) | 70 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 35 EGP
About this product
A compact dual-channel Class D audio amplifier board built around the PAM8403 chip, delivering 3 W per channel into 4 Ω or 8 Ω speakers. It runs from 2.5 V to 5 V, so it can be powered from a USB port. It is commonly used in small speaker projects, DIY audio and portable electronics.
Specifications
- Output power
- 3 W + 3 W (stereo)
- Amplifier class
- Class D, no LC filter
- Supply voltage
- 2.5 V – 5 V (do not exceed 5.5 V)
- Speaker impedance
- 4 Ω / 8 Ω
- Efficiency
- 85%
- Board size
- 1.85 x 2.11 cm
Frequently asked questions
What is the price of PAM8403 2x3W Class D Stereo Audio Amplifier Board 2.5–5V in Egypt?
PAM8403 2x3W Class D Stereo Audio Amplifier Board 2.5–5V currently costs between 35 and 70 EGP across 5 offers in Egypt.
Where can I buy PAM8403 2x3W Class D Stereo Audio Amplifier Board 2.5–5V in Egypt?
PAM8403 2x3W Class D Stereo Audio Amplifier Board 2.5–5V is available from RAM Electronics, UGE, Microohm, Most Electronics, and Circuits Electronics. Compare the offers above to find the best price.
Can I power the amplifier from a USB port?
Yes. A 5 V USB supply is within the 2.5 V to 5 V range. Never exceed 5.5 V, as this can damage the IC, and use a regulated supply with good filter capacitors.
How should I connect the speakers and audio input?
Connect 4 Ω or 8 Ω speakers to the output terminals and never short the speaker wires, as this can damage the IC. Feed the audio input through shielded cable for the best noise performance.










