The GMI9767P-30db is an Electret Condenser Microphone Through Hole RoHS manufactured by INGHAi. It is a small, light-weight, low-power device featuring a long-life capacitor element and ultra-low noise. This mic is designed for omnidirectional or directional applications, featuring excellent directivity, high signal-to-noise ratio, and wide frequency response from low-end bass to high-end treble. It is RoHS compliant for low environmental and safety hazard-free performance, and also comes with an external bias voltage. Additionally, it features an excellent distortion performance at low-level signals, and has a built-in self-resonance-reduction circuit (SRRC) to reduce the overall distortion and noise.