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Polycom IP 7000 Expansion Microphones
The Polycom IP 7000 External Microphone kit(2200-40040-001) allows you to expand your vocal reach to all corners of the conference room. These wired microphones allow you to reach 7 feet away from the host IP7000 in any direction.
Polycom IP 7000 Mics 2200-40040-001 Product Overview
Two Expansion Microphones
7 foot cable
Powered by host IP 7000
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They work as expected. We were in need of a boost for the call quality on the listening end in our conference rooms. These mics did the trick and we have not had any complaints about call quality since installing them.