Studio Technologies Model 233 Announcer's ConsoleThe Model 233 Announcer's Console is the premier audio control "hub" for announcers, commentators, and live-event production personnel. Compatible with essentially all broadcast and production audio system environments, the tabletop unit is ideally suited for numerous applications including stadium announce, on-air television, and radio broadcasting.Key Features Microphone preamp with selectable gain and 48 volt phantom power Two line-level inputs Three pushbutton switches offer programmable "click-free" audio path control Transformer-balanced main output Two line-level talkback outputs Dual-channel intercom interface with "auto-terminate" Stereo headphone monitoring of selectable sources and integrated sidetone Three rotary headphone output level controls for external sources and sidetone Microcontroller-directed audio routing Tally status output and auxiliary relay contacts Powered by intercom or by supplied external DC source All configuration switches and trim potentiometers accessible via the bottom of the enclosure