TDA2822M Stereo Audio Power Amplifier Board

The TDA2822M Stereo Audio Power Amplifier Board is a compact and efficient audio amplifier module designed to amplify low-power audio signals into a clear stereo output suitable for small speakers. It is built around the reliable TDA2822M, a popular integrated circuit widely used in portable audio devices and small speaker systems.

This module operates at low voltage and provides dual-channel (stereo) amplification, making it ideal for DIY audio projects, portable speakers, radios, and embedded audio systems. With simple connections and minimal external components required, it is easy to integrate with microcontrollers, MP3 modules, and audio sources.

Key Features

• Stereo audio amplification (dual-channel output)

• Built with the reliable TDA2822M audio amplifier IC

• Low-voltage operation suitable for battery-powered devices

• Compact and lightweight design

• Simple wiring and easy integration

• Suitable for small 4–8 Ω speakers

Specifications

• Amplifier Chip: TDA2822M

• Supply Voltage: 3 V – 12 V DC

• Output Power: Up to ~1 W per channel (depending on supply voltage and load)

• Channels: 2 (Stereo)

• Speaker Impedance: 4 Ω – 8 Ω

• Audio Input: Stereo line-level input

• Board Type: Dual-channel audio amplifier module

Pin / Terminal Description

• VCC – Power supply input

• GND – Ground connection

• IN-L – Left audio input

• IN-R – Right audio input

• OUT-L – Left speaker output

• OUT-R – Right speaker output