The Clear-Com KB-702 remote speaker station lets you select between two channels of party-line communications and have the ability to talk and/or listen on the selected channel. You can listen via the integral speaker (or can use a headset or telephone-style handset) and can talk via a headset mic, a telephone handset, or a push-to-talk microphone.The KB-702 can be wall or console mounted in a standard 4-gang electrical box, or mounted in the optional V-Box for desktop, surface-mount, or portable applications.Main Features:Selectable two-channel, full-duplex operationMicroprocessor-controlled logic and switchingMomentary/latching talk buttonVisual and audible call signaling, with bright LED indicatorBalanced local program input with separate level controlInternal controls for call signal tracking, mic latch disable, and other functionsUse with headset or handset, with integral speaker for monitoringWall or console mount, or optional V-Box for portable or desktop useLED buttons for talk, listen, call, announce, link, all talk, or mic on