Polycom (2200-16155-015) Polycom Expansion microphones kit for SoundStation2 and SoundStation2 Avaya 2490.
Compatible with SoundStatio....
Includes two (2) Expansion microphones and two (2) 2.9m/9.7ft Expansion microphone cables.
Polycom (2200-16155-015) Polycom Expansion microphones kit for SoundStation2 and SoundStation2 Avaya 2490