C-mark Discussion Conference System Dms4038, Dms406a, Dms406b, Dms400, Mk75t

1.DMS4038 Discussion Main Control Unit


• 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


• Earphone jack φ3.5mm

• Microphone and earphone jack for Chairman Unit; wired collarworn microphone and portable earphone can be connected.

• Earphone jack and recording output jack for Delegate Unit.

• Built-in clamshell, ultra thin, high fidelity loudspeaker, and the flip angle is adjustable, with feedback eliminator, volume control knob and clear sound.

• Ultra-directional microphone with status indicating ring (red), indicating accurately the position of spokesman and number of speaking. The neck of microphones can be freely adjustable on height and angle according to need.

• Volume potentiometer (VOL) to adjust the volume of the loudspeaker

• Microphone switch (TALK)

• Microphone ,Ultra-directional electret MIC

• (PRIO) priority key of chairman unit (Delegate unit without). By pressing this key Chairman unit can turn off delegate unit.

• Accessory: collarworn microphone, portable earphone



3.DMS400 Extension Unit


• A sub-master controller (extension unit) is needed as complementary power supply when one master controller fails to support an amount of over 70 delegate microphones.

• Handling Power: 400W

• 4 groups of 9P-DIN jack for multi-channel connection of the system or to connect other extension units. One extension unit runs 70 delegate and chairman units.

• 220V AC power supply

• Desk placement and fitting into a standard 19-inch rack are both feasible.




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
Email: fancy.zhang@c-mark.com.cn
MSN: yezi227@hotmail.com
Cell: 0086 13425157873

_________________
Contact Name: Fancy Zhang
Company Name: Shenzhen Bao Ye Heng Industrial Development Co., Ltd.
Email: Fancy.zhang@c-mark.com.cn
Tel: 0086 13425157873
Fax: 0086 13425157873
Street Address: Room 301, 3rd Floor,
Jilian Building#4, Xinzhou North
Road , Futian District, Shenzhen,
Guang Dong Province, China P.C.: 518031