Vortex® EF2280

Multi-channel microphone / matrix mixer with echo and noise cancellation


  • Complete, all-in-one audioconferencing system
  • 12 inputs, 12 outputs, 8 mic/line input channels
  • Acoustic Echo Cancellation and ambient Noise cancellation on each mic/line input
  • 25 x 18 Matrix mixer with user adjustable cross point gains
  • Voice-driven AGC utilizing neural network processing -- activates only on valid voice signals
  • 5-band parametric EQ on each input channel and output channel
  • Selectable 24V phantom power available on each mic input
  • Full Bandwidth performance - 20 Hz to 20 kHz throughout
  • Connect up to 8 Vortex units, with control of NOM over all units
  • Over 10dB of room gain allowed by system
  • "Conference Composer" Software provides easy programming
  • 32 user programmable presets, 16 factory programmed presets
  • Macros (mini-presets) allow further customization of presets
  • Fully configurable logic -- 24 logic inputs, 20 logic outputs
  • Two Automatic Microphone Mixers included to allow room combining
  • 40 dB/second AEC convergence
  • 270 ms echo cancellation span
  • User selectable Noise Cancellation - 6, 10 or 15 dB
  • Fully RS232 controllable
  • Infrared remote available

Updates for Current Vortex Users

The newest version of Conference Composer may be found by following this link:Conference Composer 1.70. Caution: although this is a ZIP file, it is still very large, over 15 MB.

The zip file contains the program and setup files, plus new Vortex firmware which is required for some of the changes. You should uninstall your prior version of Conference Composer before installing the new one.

For information on what is included in the firmware update, visit our tech support page.

A User's Guide for Conference Composer may be found here: Conference Composer User's Guide (Acrobat PDF, 450 kb)

Our RS232 programming guide is also available via this link: Vortex Programming Guide.

You may also download a guide to Vortex applications and presets here: Vortex Applications and Presets.

Download the Vortex datasheet (Acrobat PDF, 2 pages, 360 kb)

Download our white paper which describes the Vortex in more detail (Acrobat PDF)

Click here for Architect's and Engineer's Specifications on the Vortex

Click here to download the Vortex reference manual

Polycom Installed Voice Business Group
1720 Peachtree St NW, Suite 220
Atlanta,GA 30309
telephone: 404.892.3200
fax: 404.892.2512
e-mail us

updated April 3, 2002