Logitech Rally Cat Coupler Mic PodKey features of Logitech Rally Cat Coupler Mic Pod: Beamforming microphone array using 4 omnidirectional mics to focus on speakers and reduce background noise RightSound processing for automatic voice leveling, noise reduction, and echo cancellation Wide pickup range of about 4. 5 m (15 ft) for medium to large rooms High audio quality with 90 Hz 16 kHz frequency response and 48 kHz sampling rate Low profile design with non slip base to reduce