Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom
Polycom 2200-15855-001 Extension Microphone Kit for Cx3000 IP Conference Phone
Polycom Poly Studio and Real Presence Debut Expansion
POLY STUDIO Expansion Microphone Price - Polycom Video Conferencing Accessories
Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom