TechnologyThe BL-MP9745-38DB is an Electret Condenser Microphone (ECM) manufactured by Bolin Technology. It is a Dayton device with a 38-dB Impedance with solder pads for easy installation and RoHS (Restriction of Hazardous Substances) compliant components. This ECM offers superior frequency response, wide dynamic range, low distortion, and low cost making it ideal for a range of audio applications including voice amplification, audio recording, video conferencing, and more. It is small in size, lightweight, and has low power consumption making it an optimal choice for a range of battery powered applications. Additionally, due to its robust design, the ECM is vibration and shock resistant which is beneficial for applications in automotive or outdoor environments.