Package contents 2 pieces MAX4466 microphone modules Size: 20.8 x 13.8 x 7.5 mm Key benefits and features Micropower op amp optimized for microphone preamplification Gains stability with a very low supply current of 24 µA Provides a gain bandwidth of 200 kHz Minimum stable gain of 5 V/V with a gain bandwidth product of 600 kHz Railtorail output with AVOL power supply rejection and commonmode rejection ratio Suitable for operation in noisy environments Broad applicability Widely used in cellular phones, digital repeaters, earphones, hearing aids, microphone preamplifiers, portable computers, and voice recognition systems Onboard gain adjustment Back side includes a small trimmer potentiometer to adjust the gain What this product is A MAX4466 microphone preamplifier module intended for electret microphone signals Designed to deliver clear amplification with low power consumption and robust performance in compact form Recommended applications Voice changers and audio recording projects Audio sampling and capture for testing or sensing Audioreactive projects that utilize FFT for realtime analysis Notes Includes 2 MAX4466 microphone modules Dimensions as specified above; suitable for compact electronics projects and integration into handheld or portable devices