Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom
Ceiling Microphone Array - Ceiling microphone with superior audio pick up | Poly, formerly Plantronics & Polycom
Expansion Microphone Set for Polycom SoundStation IP 7000 - 323.tv
Poly Expansion Microphone Kit for RPTrio 8800 (2200-65790-001)
Yealink CPE80 Expansion Microphones | Global VoIP Communications
Poly Expansion Microphone
Amazon.com : Polycom Expansion Mics for SoundStation IP 6000 (2215-07155-001) : Audio Conferencing Equipment : Office Products
Polycom SoundStation IP 6000 Expansion Microphones (2215-07155-001)
Polycom SoundStation 2W EX Expansion Mics (2200-07840-001) | Comtalk Inc.
Poly Realpresence Room Mic Array Compatible with Group Series (2215-63885-001)
Expansion Microphone for Poly Studio & RP Debut – Global Communication