LM386 Audio Amplifier Module (200X Gain, 5V-12V)

Overview:

The LM386 audio amplifier module is a high-gain, low-power amplifier designed for audio signal amplification in DIY projects, embedded systems, and sound applications. It features an adjustable gain of up to 200X, making it ideal for boosting weak audio signals from microphones, sensors, and audio sources.

Key Features:

• 200X Gain Circuit: Provides high-gain amplification for low-level audio signals
• LM386 Chipset: Low-distortion, high-efficiency Class-AB amplifier for clear sound output
• Onboard Speaker Terminal: Built-in speaker connector for easy integration
• Adjustable Volume Control: Onboard 10K potentiometer to fine-tune output volume
• Pre-Exposed Input Pins: Direct connection for audio signals from microphones, sensors, or other sources
• Power LED Indicator: Built-in LED for real-time power status monitoring
• Compact PCB Design: Small 41mm × 13mm form factor for easy integration

Technical Specifications:

• Amplifier Chip: LM386
• Gain: Adjustable up to 200X
• Power Supply: 5V – 12V DC
• Speaker Output: Supports 8Ω - 16Ω speakers
• Input Impedance: 50KΩ
• THD (Total Harmonic Distortion): ≤0.1%
• Board Dimensions: 41mm × 13mm

Wiring Instructions:

Applications:

✅ Microphone Pre-Amplification – Boosts low-level mic signals
✅ DIY Audio Systems – Ideal for custom-built speaker setups
✅ Embedded Audio Projects – Integrates easily with Arduino, ESP32, STM32, and Raspberry Pi
✅ Hobby Electronics & Prototyping – Perfect for learning and experimenting with sound amplification

Why Choose This LM386 Amplifier Module?

✔ High-Gain Performance – 200X gain for powerful audio output
✔ Low Power Consumption – Works on 5V-12V, ideal for battery-powered projects
✔ Compact & Easy to Use – Small form factor, pre-soldered connectors for easy wiring