Conferencing Mics and Systems
Oct 27, 2010 12:00 PM, By Mark Johnson
The beyerdynamic MCW-D 200 central control unit has the capability of controlling up to 65,000 digital wireless microphones. The system operates in the 2.4GHz band and uses direct sequence spread spectrum (DSSS) modulation to ensure noise immunity when used in conjunction with other 2.4GHz systems. The MCW-D 200 is used with the MCW-D 2073 wireless digital chairperson microphone unit and the MCW-D 2071 wireless digital delegate microphone unit.
Bosch Security Systems' CCS 900 Ultro discussion system provides a Possible-to-Speak function that gives a visual indication when a microphone is available for use. It also features an onboard MP3 recorder with up to 64 hours of recording time on a 2GB SD card. The control unit can power up to 50 chairperson and delegate units and can control up to 150 discussion units. The system incorporates Bosch's Digital Acoustic Feedback Suppressor. The system also allows for multiple mics to be on simultaneously.
Listen Technologies' DCS 6000 digital conferencing systems are available in four options: LS-75, LS-76, LS-77, and LS-78. The complete systems are configured for either 29 delegates and one chairperson (LS-75, LS-76, LS-78), or 28 delegates and two chairpersons (LS-77). The LS-75 features voice activation. Cat-5e cabling is used to connect the discussion units to the control unit.
The ADN CU1 digital discussion central unit from Sennheiser powers and controls up to 40 delegate and chairperson units. The system features an integrated PC with the Conference Manager software package, which can be used directly on the CU1 by connecting a screen, mouse and keyboard. The ADN C1 digital chairperson unit features a gooseneck microphone fitted with a supercardioid capsule. The system uses Cat-5 cabling for connection of discussion units to the central unit.
Taiden's HCS-5300 digital wireless infrared conference system can control up to 1,000 contribution units and is capable of transmitting up to four channels of digital audio. Infrared transmission technology provides immunity to RF interference. The removable microphone's EQ and sensitivity can be individually adjusted, and system frequency response is 20Hz to 20,000Hz. The system uses rechargeable lithium batteries.
TOA Electronics offers the TS-800 and TS-900 series infrared wireless conference systems. The systems can be expanded to accommodate up to 96 units (TS-900) and 64 units (TS-800). Audio from a wired microphone or other sound source can be input, and two different microphone types are available. The systems may be operated via battery or AC adapter. Additional features include a speaker restriction function to prevent interruptions, and an Auto Mic-Off function to prevent a microphone from being inadvertently left on.
Acceptable Use Policy blog comments powered by Disqus