LM386 Audio Amplifier Module — Adjustable Gain, 5V

LM386 Audio Amplifier Module — Adjustable Gain, 5V

A ready-to-use LM386 audio amplifier module with adjustable gain (20×–200×), volume potentiometer, and audio input. Drives an 8Ω speaker at up to 0.5W from a 5V supply. Simply connect power, audio input, and speaker to start amplifying. Ideal for Arduino audio output, portable speaker projects, and audio signal amplification.

Key Features

• ✅ Adjustable gain (20×–200×) — set gain via on-board jumper or resistor
• ✅ Volume potentiometer — adjustable output level
• ✅ Speaker terminal — direct 8Ω speaker connection
• ✅ 5V supply — powered directly from Arduino 5V pin
• ✅ RoHS compliant

Key Specifications

• IC: LM386 | Gain: 20×–200× adjustable | Supply: 5V
• Output power: 0.5W into 8Ω

Typical Applications

• Arduino audio output speaker amplifier
• Portable battery-powered speaker
• Audio signal amplification and monitoring
• Intercom and voice playback amplifier

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