Condition: New Polycom IP 4000 External Microphones [2200-07155-002] Full Duplex External Microphone PodsIP 4000 External Microphones Product Description- Used with SoundStation VTX 1000 & SoundStation IP 4000 units.- Expand conference room coverage up to 20 x 30 feet for larger conference rooms.- Extends Up To 6' On Either Side Of Base Unit- Increases Audio Conference Participants From 15 To Up To 25
