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
![Amazon.com : Polycom RealPresence Trio 8800 with Two Expansion Microphones - Replaces Polycom IP7000 (Renewed) : Office Products Amazon.com : Polycom RealPresence Trio 8800 with Two Expansion Microphones - Replaces Polycom IP7000 (Renewed) : Office Products](https://m.media-amazon.com/images/I/71vGdtK0WCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Polycom RealPresence Trio 8800 with Two Expansion Microphones - Replaces Polycom IP7000 (Renewed) : Office Products
![Amazon.com : Polycom Realpresence Trio 8800 External Microphones - Black (Pack of 2) : Office Products Amazon.com : Polycom Realpresence Trio 8800 External Microphones - Black (Pack of 2) : Office Products](https://m.media-amazon.com/images/I/6124XIomv1L.jpg)