CDM900MLD is a microphone module control box, allowing each delegate unit to connect to tailor-made gooseneck microphone, loudspeaker, status LEDs and control buttons on request. The CDM900MLD can be easily mounted under the conference table or built into the arm rests, providing exible installation layout options to accommodate most furniture cutout request as well as all the wiring shall be hidden. The CDM900MLD is equipped with a loudspeaker output connector for smaller conference application with no external ampli cation. In addition, two 3.5mm phone jack connectors for mic input and headphone output shall be located at the left side of the unit, plus one volume control for simultaneous volume control of headphone and loudspeaker. The CDM900MLD unit can be congured as a delegate unit, a chairperson or an interpreter microphone, and easily switch the modes from the standard “Delegate mode” to the “Interpreter mode”, making it an easy and cost-e ective interpreter station. In the latter mode, either the internal loudspeaker and microphone of the CDM900MLD can be used by the interpreter (in a di erent room), or the mini jack connections can be connected to a third-party headset. This allows the interpreter to sit in the same room and listen to the oor channel while conducting simultaneous translation.