GS-CU004 is a compact commentator unit in beltpack format. It integrates a mic/line input, separate programme and talkback outputs, and two headphone monitoring inputs.

• Main balanced XLR input switchable between line, mic or mic with 12 V phantom.
• Transformer-balanced Main and TB outputs.
• Independently configurable buttons for programme and talkback.
• Two monitoring inputs, Cue and FB, with adjustable level.
• Monitoring routing to left ear, right ear or both.