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MAX9814 Microphone Amplifier Module with Auto-Gain Control for Arduino
190,00 EGP
In stock
The MAX9814 Microphone Amplifier Module with Auto-Gain Control is an advanced audio sensor designed for Arduino projects. It features an integrated electret microphone and automatic gain control, providing consistent audio signal levels across varying sound intensities. This module is perfect for applications involving sound detection, voice activation, and audio signal processing.
Features:
- Auto-Gain Control: Automatically adjusts amplification to keep audio levels stable.
- High-Sensitivity Microphone: Captures clear and accurate sound.
- Adjustable Gain: Fine-tune the gain with an onboard potentiometer.
- Analog Output: Provides a direct analog signal for easy integration with Arduino.
- Wide Voltage Range: Operates from 2.7V to 5.5V, compatible with various power sources.
- Compact Size: Small and lightweight for easy integration into projects.
In stock
Shipping & Delivery
Receipt from the place on the same day or shipping to nearby places
On the same day
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1-3 Days
Description
MAX9814 Microphone Amplifier Module with Auto-Gain Control for Arduino
The MAX9814 Microphone Amplifier Module is a high-performance, easy-to-use audio input solution designed for capturing voice or ambient sound in Arduino and embedded system projects. Featuring a built-in AGC (Automatic Gain Control), the module ensures consistent audio levels by automatically adjusting the amplification based on input volume.
This makes it ideal for voice recognition, sound-activated systems, audio monitoring, and IoT voice projects. The onboard electret microphone captures sound with excellent sensitivity and clarity.
Key Features
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Built-in Automatic Gain Control (AGC) for consistent audio output
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High-sensitivity electret microphone
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Adjustable gain via external resistors (default 40dB)
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Wide supply voltage range: 2.7V to 5.5V
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Low-noise, high-performance audio amplifier
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Breadboard-friendly and compact module design
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Perfect for Arduino, ESP32, Raspberry Pi, and audio-based projects
Specifications
| Parameter | Value |
|---|---|
| IC Model | MAX9814 |
| Microphone Type | Electret Condenser |
| Operating Voltage | 2.7V – 5.5V DC |
| Output Type | Analog (AC-coupled) |
| Default Gain | 40dB (adjustable to 50dB or 60dB) |
| AGC Attack/Release Time | Configurable with capacitors |
| Dimensions | Approx. 22mm x 15mm x 7mm |
Package Includes
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1 × MAX9814 Microphone Amplifier Module (with onboard microphone)
🎙️ Tip: For optimal performance, connect the analog output to an ADC (Analog-to-Digital Converter) input on your microcontroller.
Customer Reviews
Specification
Overview
| Weight Weight | 0,0000 g |
|---|
Specification
| microphone |
Type: Electret condenser microphone |
|---|---|
| amplifier-ic |
MAX9814 |
| operating-voltage |
2.7V to 5.5V DC |
| output-signal |
Analog voltage (AC coupled) |
| gain-control |
Auto-Gain Control (AGC): Automatically adjusts gain for consistent signal levels |
| manual-gain-adjustment |
Potentiometer for fine-tuning gain |
| gain-range |
Typically adjustable from 20dB to 40dB |
| frequency-response |
Typically 20Hz to 20kHz |
| sensitivity |
Provides a wide dynamic range with minimal distortion |
| output-impedance |
Low impedance, compatible with standard analog inputs |
| power-consumption |
Low power, suitable for battery-operated devices |
| dimensions |
Generally around 22mm x 18mm |
| connector-pins |
VCC: Power supply (2.7V to 5.5V) |
| operating-temperature |
Typically from -40°C to +85°C |
