ElectronicsThe GMI6050-2C-44db with Electret Condenser Microphone SMD RoHS by INGHAi Electronics is a high performance, low power, ultra-low noise and highly sensitive C-MEMS (capacitive microelectromechanical system) microphone. It operates at a frequency range of 20Hz-20kHz and has an output level of 4.2V @ -44dBFS at 1kHz. It features an electret condenser microphone design and is RoHS compliant. The microphone is constructed with a ceramic membrane, suspension, and backplate, and is compatible with placement on both 0.25mm and 0.35mm FR-4 circuit boards. It is suitable for many audio applications such as smartphones, tablets, PCs, and various consumer audio products.