PAM8403 3W + 3W Stereo Amplifier for Arduino and Microcontrollers

Name: PAM8403 3W + 3W Stereo Amplifier for Arduino and Microcontrollers
Brand: satkit
SKU: N020206-pam8403
Price: 1.23 EUR
Availability: InStock

Brand: satkit

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1.23€

VAT included (Ex VAT: 1.00 €)

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The PAM8403 3W + 3W Stereo Amplifier is a compact and efficient module ideal for projects with Arduino and other microcontrollers. Thanks to its reduced size of 18 x 22 mm, it is perfect for integrating into circuits where space is limited without sacrificing sound quality.

This amplifier uses the PAM8403 chip, known for its high efficiency and low distortion, delivering an output power of 3W per channel in stereo configuration. Its power supply is very simple, operating with a voltage of 2,5 to 5 Vdc, compatible with USB connections, which makes it easy to integrate into electronic projects and portable systems.

The module is designed to work with speakers with impedance between 4 and 8 Ohm, allowing a wide range of options to customise your audio system. Its low power consumption and compact size make it ideal for robotics, portable sound systems, educational projects and any development that requires quality audio amplification.

Type: 3W + 3W stereo amplifier
Chip: PAM8403
Power supply: 2,5 to 5 Vdc (USB compatible)
Output impedance: 4 to 8 Ohm speakers
Dimensions: 18 x 22 mm

This amplifier is perfect for anyone looking for a PAM8403 amplifier module for Arduino that is easy to connect and efficient. To connect the PAM8403 to speakers, simply respect the recommended impedance and power the module with a 5V supply, such as a USB port or a compatible battery.

In short, the PAM8403 amplifier is an economical and effective solution for improving audio output in your electronic projects, and one of the best cheap amplifiers for Arduino available on the market.

Stereo amplifier with 3W + 3W output for clear, powerful sound.
High-efficiency PAM8403 chip with low power consumption.
Flexible 2,5 to 5 Vdc power supply compatible with USB.
Compatible with 4 to 8 Ohm speakers for a range of applications.
Compact 18 x 22 mm size for easy integration.

Customer Questions & Answers

What are the exact dimensions and weight of the amplifier module?

The module measures 18 mm x 22 mm. Typical weight is less than 5 grams, thanks to the absence of bulky components such as heatsinks.

What mounting or wiring precautions should be considered to avoid noise or interference?

To minimise noise, it is recommended to use short cables and ensure a good ground connection. It is advisable to keep the signal cable separate from power cables and avoid ground loops. Also, do not connect speakers below 4 Ω to prevent overheating.

In what cases might the amplifier not deliver 3W per channel, and how does it compare with similar modules?

The PAM8403 reaches 3 W per channel only when using a 5 V supply and 4 Ω speakers; with 8 Ω or lower voltage, the power will be lower (approx. 1.8 W at 8 Ω). Compared with modules using chips such as the TDA2822, the PAM8403 offers greater efficiency thanks to its Class D architecture, but a lower tolerated voltage range.

How do I connect the PAM8403 amplifier to an Arduino?

Connect the 5V power and ground from the Arduino to the PAM8403 module, and connect the amplifier outputs to 4 to 8 Ohm speakers following the correct polarity.

What type of speakers can I use with this amplifier?

You can use speakers with impedance between 4 and 8 Ohm to ensure optimum performance and avoid damage to the module.

What is the recommended power supply for the PAM8403?

It is recommended to power the amplifier with a voltage between 2,5 and 5 Vdc, and it is compatible with USB power for ease of use.

Is it suitable for microcontroller projects?

Yes, this amplifier is specifically designed to integrate with Arduino and other microcontrollers in audio projects.