Similar in design to the M3, the Coleman Audio TB4M 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 TB4M includes an independent cue & talkback system with independent level controls, a mono sum, selectable headphone monitoring, microphone & remote switching.

The Features
-Four balanced stereo inputs on XLRs
-Two Balanced stereo outputs on XLRs
-Stepped level control that tracks to ±.05 dB
-A mono sum to check phase
-Engineer's headphone output with level control
-Stereo cue inputs & outputs on ¼" jacks
-Cue source selector and master level control
-Talkback interrupt switch and level control
-Slate output to ID tracks
-Remote talkback Control Jack
-Talkback mic with 12 foot cable