The TT50 tailboard tester is designed to be fitted to an OB unit's tailboard and provides facilities for testing lines and various pieces of equipment on location.
tailboard tester
The unit has a built in four wire unit with XLR microphone input, a talk key and XLR output.
The four wire input can be switched to mic or line level and may be metered on the built in PPM and monitored using the built in amplifier and speaker.

Mains powered, the TT50 is 1RU high and 150mm deep.
Please note that these units are now supplied with front and rear panels in blue sparkle finish.