386AMP Audio Amplifier Module (Arduino compatible)

The DFRobot 386AMP audio amplifier module is based on the LM386 low-voltage audio power amplifier IC. With a fixed voltage gain of 26 dB (20× amplification) and static power consumption of only 24 mW at 6V, it's well suited for battery-powered applications.

Connect a microphone, MP3 module, or other audio source to the input, and the amplifier drives the included speaker. It's a straightforward way to add audio output to Arduino projects, robots, or interactive installations.

Specifications

• Amplifier IC – LM386
• Power Supply – 4–12V DC
• Voltage Gain – 26 dB (at 6V, 1 kHz)
• Output Power – 325 mW (8Ω load at 6V), 500 mW peak
• Bandwidth – 300 kHz
• Static Power Consumption – 24 mW (at 6V)
• Board Size – 45 × 30 mm

Key Features

• Low Power Consumption – Suitable for battery-powered projects
• Arduino Compatible – Simple analogue input, easy to integrate
• Speaker Included – Ready to use out of the box

Ideal For

• Adding audio output to Arduino and microcontroller projects
• Robot voice interaction and sound effects
• Amplifying signals from microphone or MP3 modules

Package Contents

• 1× 386AMP audio amplifier module
• 1× Loudspeaker

Resources

• DFRobot Wiki
• Schematic (PDF)