The Discussion Main Control Unit DMS4038, handling power 400W, supporting up to 70 delegate and chairman speech units,could be extended to up to 250 units by connecting with extension unit .

Circuitry output jacks enable to connect amplifier for sound reinforcement,effect I/O jacks enable connection of frequency shifter or other equipmentl.

Monitoring volume control

Easy access to speech with only one key touch.

Feedback eliminator function. When microphone is turned on, the built-in loudspeaker closes automatically to avoid feedback.

Function of limiting active delegate units quantity, and supporting several conference modes: Free mode, FIFO mode and Limit mode.

Telephone coupler input interface enables long-distance teleconference by connecting telephone coupler.

Chairman unit is free of speaking number limitation.

Chairman unit has the priority to completely control conference sequence and can switch off or mute any speaking unit.

The chairman unit is free to be connected in series to anywhere in the circuitry.

T-shape cable serial mode is convenient for installation and maintenance. Cable with complete aluminum foil and network shield reduces electromagnetic interference to circuitry.

2.DMS406A Discussion Chairman Unit & DMS406B Discussion Delegate Unit

3.DMS400 Extension Unit

4.MK75T Goosemeck Conference Microphone

Condenser microphone

Frequency response:40Hz-16KHz

pick up distance:20-50cm condenser

Power supply way:DC3V/DC48V Automatic witching

Output Impedance:75 Ω

Detachable microphone,convenient for adjournment,maintenance and transportation.

Contact person: Fancy Zhang

Cell: 0086 13425157873