The TB4 provides facilities to act as the control room monitor source selector & adds a host of features making it a studio communications control module as well.
The control room signal path is completely passive, with a four gang stepped attenuator, that tracks within ±.05dB. The TB4MKIII includes an independent cue & talkbalk system with independent level controls, selectable headphone monitoring, microphone & remote switching.
Four balanced stereo inputs on XLR'sTwo Balanced stereo outputs on XLR'sStepped level control that tracks to ±.05dBEngr.'s headphone output with level controlStereo Cue Inputs & Outputs on ¼" jacksCue source selector and master level controlTalkback Interrupt switch and level controlRemote Talkback Control JackTalkback mic with 12 foot cable