Amazon.com : Polycom Expansion Mics for SoundStation IP 6000 (2215-07155-001) : Audio Conferencing Equipment : Office Products
Polycom SoundStation IP 7000 Expansion Microphones, 2200-40040-001
Expansion Microphone for Poly Studio & RP Debut – Global Communication
Polycom SoundStation 2W EX Expansion Mics (2200-07840-001) | Comtalk Inc.
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 RealPresence Trio 8800 With Expansion Mics - 323.tv
Logitech Expansion Mic for GROUP System – Global Communication
Amazon.com : Poly Polycom Expansion Mic for RealPresence Debut (2200-69631-001) : Office Products
Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom