2-Channel Select Flush Mount Headset/Speaker Station Mounts in V-Box, HelixNet S-Mount, or console. The KB-702 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.