3Pcs MAX4466 Electret Microphone Preamplifier Module, Adjustable Gain
3Pcs MAX4466 Electret Microphone Preamplifier Module, Adjustable Gain
The MAX4466 Electret Microphone Audio Amplifier Module is a compact microphone preamplifier board designed for electret microphone signal amplification in voice pickup, sound detection, recording, and embedded audio projects. This adjustable-gain version includes an on-board trimmer resistor, allowing the gain to be adjusted according to the application’s required microphone sensitivity and signal level. The module operates from a DC 2.4V–5.5V power supply, making it compatible with 3.3V and 5V microcontroller systems as well as portable battery-powered devices. With a compact 16 × 12.5 × 3 mm board size and a wide operating temperature range, it is suitable for space-limited audio sensing applications and DIY microphone amplification circuits. Product Parameters Module: MAX4466 Electret Microphone Amplifier Module Type: Adjustable Version Input Voltage: DC 2.4V–5.5V Gain: Adjustable by on-board trimmer resistor Operating Temperature: -40°C to +85°C Dimensions: 16 × 12.5 × 3 mm Application Scenarios Voice pickup modules Audio recording devices Sound detection systems Microcontroller audio input projects Portable voice- activated devices Embedded microphone circuits DIY audio sensing projects Low- power acoustic monitoring equipment
Product Features
- Adjustable-Gain Microphone Preamplifier: This MAX4466 electret microphone amplifier module features an onboard trimmer resistor, allowing you to adjust the gain according to your sound source, microphone distance, and project requirements for more flexible audio tuning.
- Sensitive Sound Pickup for DIY Electronics: Designed to amplify electret microphone signals, this module helps provide a stronger and clearer audio output for sound detection, voice input, audio sampling, recording projects, smart devices, and interactive electronics.
- Compatible with 3.3V and 5V Systems: The board supports a DC 2.4V5.5V input voltage range, making it easy to use with Arduino-compatible boards, Raspberry Pi projects with proper interface circuits, microcontrollers, battery packs, and other low-voltage systems.
- Fine-Tune Audio for Different Environments: The adjustable version lets users optimize microphone sensitivity for quiet rooms, louder environments, close-range pickup, or longer-distance sound detection, helping improve performance in real-world applications.
- Compact Size with Easy Installation: With dimensions of approximately 16 12.5 3 mm, this adjustable microphone amplifier board is compact enough for embedded audio projects while still offering convenient gain control for testing, prototyping, and DIY sound sensor designs.