
EF2210 Single Channel Acoustic Echo / Noise Canceller
A stand-alone system for individual sites, is typically installed along with one or more microphones and an automatic microphone mixer.

EF2211 Single Channel Acoustic Echo / Noise Canceller With Phone Add
Improves the overall audio quality of existing conferencing installations, and can also be used as a standalone system for individual sites.

EF2241 Automatic Mic / Matrix Mixer with Phone Hybrid and Power Amp
Is typically installed in smaller rooms that require audio conferencing, or as a companion to the EF2280.

EF2280 Integrated Automatic Mic / Matrix Mixer with Echo and Noise Cancellation
A multichannel acoustic echo and noise canceller with integrated automatic microphone / matrix mixer.

EF2201 Telephone Interface
The next generation of DSP-based conference telephone interfaces.
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