Polycom SoundStation IP 7000 Extension Microphones (2200-40040-001) Go to amazon.com Related posts Top polycom microphone for 2022 FeatureSet of 2 microphonesExpansion Microphones for SoundStation IP7000 DescriptionThis is a set of two EX microphones and two 7' (2.3m) cables for the Polycom SoundStation IP7000.