The Omnitronic MM-2USB is a precise USB measurement microphone designed for professional audio analysis applications. This wired microphone features a linear frequency response, making it ideal for accurate acoustic measurements in conjunction with computer-based analysis software. It is particularly suitable for testing and calibrating PA systems, speaker arrays, and audio devices, providing reliable measurement data for audio professionals and technicians. It operates via a USB-B connection and comes complete with essential accessories, including a mounting clamp for secure positioning, a USB cable for direct computer connection, adapters for various mounting scenarios, a comprehensive user manual, and a windscreen to minimize interference during measurements. The microphone's colorless design ensures a neutral visual appearance that does not distract from the measurement environment. With its precise measurement capabilities, this microphone serves as a valuable tool for sound engineers, system installers, and acoustics professionals who require accurate frequency response data. The product is manufactured by Omnitronic under the model number 13030923 and falls into the category of audiovisual devices specifically designed for measurement applications rather than vocal or musical performances. The wired USB operation ensures stable data transmission without wireless interference, making it suitable for controlled measurement environments where accuracy and reliability are crucial.