Polycom 2201-67840-101 Single External Microphone for SoundStation 2W
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 SoundStation EX with External Microphones (2200-00696-001)
Polycom SoundStation IP 7000 External Microphones (2200-40040-001)
Polycom Soundstation EX External Microphones - Set of 2
Expansion Microphone Set for Polycom SoundStation IP 4000 - 323.tv
Polycom SoundStation IP 4000 External Microphones (2200-07155-002)
Amazon.com : Polycom SoundStation EX with Mics : Polycom Soundstation Ex With Two Way Conversation : Office Products