:The GMI6050P-42db with Electret Condenser Microphone Through Hole,P=1.9mm RoHS manufactured by INGHAi is a low cost, high performance, low profile, electret condenser microphone. This microphone is designed for use in numerous applications such as in surveillance and security, medical, and speech recognition systems. The GMI6050P-42db features a low self-noise level and high sensitivity, making it ideal for superior audio performance and excellent sound playback. The integrated electret condenser microphone also eliminates the need for additional amplification or modification of the signal, resulting in faster response times. This microphone also complies with the RoHS (Restriction of Hazardous Substances) environmental regulations.