Equipment and materials · equipment
IFB receiver
Also known as interruptible foldback receiver.
A wired or wireless receiver supplying interruptible foldback, program, cues, or talkback to a listener.
In practice
Coordinate channel and spectrum, set safe earpiece level, confirm interrupt routing, label users, and carry batteries and wired alternatives.
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Sources
Educational reference only. Requirements vary by jurisdiction, employer, venue, and production context.