Expansion Microphones - Increase the audio coverage of your conference room by pairing the Expansion Microphone with your SoundStation conference phone. | Poly, formerly Plantronics & Polycom
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Amazon.com : Polycom Realpresence Trio 8800 External Microphones - Black (Pack of 2) : 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
![Amazon.com : Plantronics Poly Polycom Expansion Mic for RealPresence Debut (2200-69631-001), Black : Office Products Amazon.com : Plantronics Poly Polycom Expansion Mic for RealPresence Debut (2200-69631-001), Black : Office Products](https://m.media-amazon.com/images/I/61iq1iICH9L._AC_UF894,1000_QL80_.jpg)