HXJ8002 Mini Audio Amplifier Module (3W Mono Audio Amplifier, 2V-5.5V, 4 Ohm-8 Ohm)

The HXJ8002 Mini Audio Amplifier Module is a compact single-channel Class AB audio amplifier board based on the HXJ8002 audio amplifier IC. It is designed to amplify low-level audio signals and drive 4 Ohm to 8 Ohm speakers with clear, stable sound output. Operating from a low-voltage DC supply, the module is ideal for portable audio devices, DIY speakers, voice playback systems, embedded electronics, and battery-powered audio applications. Its simple input and output connections allow easy integration with Arduino, ESP32, ESP8266, Raspberry Pi, MP3 modules, Bluetooth audio modules, and other audio sources.

Key Features -

• Based on HXJ8002 audio amplifier IC

• Single-channel mono audio output

• Up to 3W audio output power

• Operates from 2.0V to 5.5V DC

• Suitable for 4 Ohm to 8 Ohm speakers

• Low distortion audio output

• Wide audio frequency response

• Compact PCB design

• Low power consumption

• Easy integration with audio sources

Specifications -

• Product type - Audio Amplifier Module

• Amplifier IC - HXJ8002

• Operating voltage - 2.0V to 5.5V DC

• Recommended operating voltage - 5V DC

• Maximum output power - Up to 3W (4 Ohm, 5V)

• Output type - Single Channel (Mono)

• Speaker impedance - 4 Ohm to 8 Ohm

• Gain - Fixed Internal Gain

• Frequency response - Wide Audio Frequency Range

• Operating temperature - 0C to 70C

Applications -

• DIY speakers

• Portable audio devices

• MP3 player projects

• Voice playback systems

• Bluetooth audio projects

• Arduino audio projects

• Embedded electronics

• Educational electronics