Polycom IP 7000 External Microphones (2200-40040-001) - Shop4Tele
Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom
2200-41220-002-Polycom 15' External Microphone Cables New - Telecomex
Polycom 2200-41220-002 External Mic Cables - Walmart.com
Polycom SoundStation EX External Microphone- 2201-00698-001 – Buffalo Computer Parts
Polycom Soundstation EX External Microphones - Set of 2