The GMI9745-56db is an Electret Condenser Microphone manufactured by INGHAi. It features a compact, low profile design and can be used to capture audio in a variety of applications. It has solder pads and is RoHS compliant. The microphone's frequency response is 40Hz to 15kHz, with a sensitivity rating of -34 dB, and an acoustic overload point (AOP) of 120 dBSPL. It provides a low noise signal with a signal to noise ratio of 78 dB or better. The microphone has a wide range of applications, including Karaoke, Speech Recognition, Voice Recording, Security, and Surveillance.