Key Features

✔ High Gain (Up to 200x) – Adjustable gain control for optimal sound amplification. ✔ Wide Voltage Range (4V–12V DC) – Compatible with batteries and low-voltage power supplies. ✔ Low Distortion & Noise – Delivers clear audio output for music, voice, and tones. ✔ Built-in Volume Control – Onboard potentiometer for easy sound adjustment. ✔ Compact & Breadboard-Friendly – Small footprint for easy integration into projects. ✔ Supports Multiple Inputs – Works with microphones, MP3 players, and audio sources. ✔ Easy to Use – Simple 3.5mm audio jack or direct wire connections.

Technical Specifications

• Chipset: LM386N-4 (200x gain version)

• Operating Voltage: 4V–12V DC

• Output Power: Up to 0.5W (depends on voltage & speaker impedance)

• Gain Adjustment: 20x to 200x (via onboard potentiometer)

• Frequency Response: 20Hz–20kHz

• Input Interface: 3.5mm audio jack or solder pads

• Output Interface: Speaker terminals (supports 4Ω–32Ω speakers)

• Dimensions: Approx. 35mm × 25mm

• Weight: ~10g

Applications

• DIY Portable Speakers – Boost sound from smartphones or MP3 players.

• Arduino Audio Projects – Add sound effects or voice output to microcontroller projects.

• Intercoms & Megaphones – Amplify voice for communication systems.

• Guitar/Bass Preamp – Small-scale instrument amplification.

• Educational Electronics – Learn about audio circuits and amplification.

How It Works

1. Power Supply: Connect 4V–12V DC to the +V and GND terminals.

2. Audio Input: Plug in a 3.5mm audio source or connect wires to the input pads.

3. Output: Connect a 4Ω–32Ω speaker to the output terminals.

4. Adjust Volume: Use the onboard potentiometer to control gain and loudness.

Package Includes

• 1 × LM386 Audio Amplifier Module (200x gain)

• (Optional) Jumper wires for easy connections

Why Choose the LM386 Audio Amplifier?

✅ Simple & Effective – No complex setup; works instantly. ✅ Low Power Consumption – Ideal for battery-powered projects. ✅ Clear Sound Quality – Minimal distortion for crisp audio. ✅ Affordable & Versatile – Great for hobbyists and professionals alike.