San Francisco, CA, December 5, 2007 -- Media Vision USA has announced expansion of successful rental network in North America with the new HCS-3630 push-to-talk microphones with carrying case suitable for rental and portable applications. Media Vision USA with the new MVUSA-CASE10 carrying case designed for 10 push-to-talk delegate microphones with detachable gooseneck, has been able to meet the requirements of today’s rental applications. The case can fit one main unit and ten microphones with cables, extension cable, and the goosenecks. Or it could be customized to carry up to 20 microphones. More and more AV houses in hotels and convention centers are using push-to-talk microphones with daisy-chain cabling due to ease of setup, ease of expansion, and less cabling. Media Vision HCS-3632 series with detachable gooseneck can be expanded to hundreds of microphones. The system is hot swappable, and all the components can be tested from the main unit. There are audio line ins/outs on the main unit for any program audio, recording, as well as connection to the house PA. One of the new features of the HCS-3600 main unit is internal video switcher for camera-follow-audio feature. With the main unit, there is a possibility to control up to four PTZ or Dome cameras with presets. Media Vision USA had expanded its rental network through out the country among the leaders in the conference and interpretation business including Superior AV, Global AV, Brandywine Electronics, ASI Conference, Kansas City Audio Video, Conference Rental USA, and Leonetti Sight & Sound. “The ease of transport and quality of the audio stream is the best I have tested.” Says Joe Dombroski, President of Brandywine Electronics, inc. “The system is rugged and has never let me down”. About Media Vision USA Based in San Francisco, California, Media Vision USA is the premier solution provider of conferencing microphones with built-in speakers, electronic voting, and simultaneous interpretation to the audio-visual industry. Media Vision USA is the North American exclusive distributor for both Taiden conference system based in Shenzhen, China and Close-Talk conference system based in Stockholm, Sweden. Additional information on Media Vision USA solutions and products can be found at www.mediavision-usa.com