Epos additional microphone for Epos Expand 80. Wired extension microphone for audio conferences. Plug & Play connection. Compatible with Expand 80. Voice and multimedia-optimized HD speakers. Four intelligent microphones with 360° voice pickup. Connect up to two extension microphones for up to 32 participants. The Expand 80 extension microphone is a specially designed microphone for the all-in-one conference systems offered by Epos. With this microphone, you can extend the range of your system, increase the capacity and quality of the conference, and ensure that all participants can be heard perfectly. Four microphones with 360° coverage. This extension microphone integrates four microphones with 360° coverage and clear audio quality. With automatic noise cancellation, unwanted sounds are eliminated, allowing you to focus solely on the voices of the participants. It is also very easy to install; simply connect the microphone to the base unit of your Epos system, and you are ready to go.