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The Vortex EF2241 enhances the productivity of conferencing and distance learning installations through industry-leading acoustic echo and noise cancellation, plus a DSP-based telephone interface. It is designed to be installed in smaller rooms that require audio conferencing, or as a companion to the EF2280 Vortex. Based on the technology of Polycom's Vortex audio conferencer, the EF2241 offers 4 mic/line inputs, 4 line inputs, 8 line outputs, an integrated phone add, and a 10-watt power amplifier.
The EF2241, like the Vortex, offers full-bandwidth performance, the fastest acoustic echo cancellation performance available, and patent-pending third-generation noise cancellation algorithms. Multiple units can be linked or can work in conjunction with Vortex units for large applications requiring telephone call-ins. Each microphone channel features industry-leading acoustic echo cancellation to prevent received signals from being retransmitted to their original locations. Neural network Automatic Gain Control (AGC) reacts only to valid speech patterns, bringing voices within desired levels. User-adjustable AGC controls and settings for the five-band parametric EQ are also offered on all input and output channels.