Polycom IP 7000 External Microphones (2200-40040-001) - Shop4Tele
Expansion Microphone Set for Polycom SoundStation VTX 1000/IP 6000 - 323.tv
Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom