The GMI6022-2C-64db is an electret condenser microphone SMD RoHS manufactured by INGHAi. It is a miniature, surface-mountable microphone with a built-in preamplifier, designed for use in miniature audio applications. The microphone features a small surface mount package, high sensitivity, low distortion, and wide dynamic range. The GMI6022-2C-64db offers excellent linearity and is RoHS compliant. It is perfect for applications such as digital hearing aids, hands-free and voice recognition systems, MP3 players, mobile phones, and other audiovisual products. The GMI6022-2C-64db microphone can be adjusted to achieve different levels of sensitivity, including an internally-set gain of 64db.