2-Channel Select Flush-Mount Headset/Speaker Station with Mic Jack and Vox, Mounts in V-Box (as show in picture below), HelixNet S-Mount, or console. KB-702 GM provides a remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone. KB-702 also includes gooseneck microphone (GM-9/GM-18 or GN-250/ GN-450) connector options, with adjustable VOX feature and mic/ headset switch.