The GMI6027U-2C48DB with Electret Condenser Microphone is a surface mount, RoHS compliant microphone produced by INGHAI. It has a frequency range of 20 Hz to 20 kHz, a miniaturized housing, and a sensitivity range of -38 to -48 dB. The microphone uses solder pads for mounting and comes with an integrated pre-amplifier. Additionally, the GMI6027U-2C48DB is designed for a wide range of applications, including computer multimedia, telephones, car radios, hearing aids, hand-held consumer electronics, and more.