Heinrich's MC150C/D is a conference microphone system designed in accordance with ISO and IEC914 standards. It features both speaking and listening functions, providing clear audio transmission for meetings and conferences. The system's power supply for all delegate units is provided by the main unit at a safe 24-volt voltage. It utilizes 8P-DIN plugs for T-type system connections, ensuring stable and reliable performance. The microphone is equipped with a unidirectional electret mic and a HiFi voice loudspeaker, delivering high-quality sound output. It also features an electric capacity-type microphone with a windshield cover for improved audio clarity. An extended pipe is optional for added convenience. The microphone includes a speaking button and indicator lamp for controlling speech status, along with an earphone output jack and REC output jack for additional functionality. The system includes an annular red indicator lamp to show the microphone's status, ensuring clear communication in conference settings. Additionally, all loudspeakers will be in an idle state simultaneously when the microphone is on, with red indicators lighting up. The microphone also includes an auto-off function, automatically closing 30 seconds after speech to conserve power. Furthermore, the system features built-in video tracking capabilities for enhanced conference management.