Best Wireless Intercoms for live production

Ask first how many people need to speak at once. A system where everybody hears everybody and can answer immediately behaves like a conversation; one where a button must be held and only one voice fits at a time behaves like a radio, and a cue given while somebody else is talking simply does not arrive.

Then walk the route. Range on a data sheet is open ground, and the path from the gallery to the dressing-room corridor goes through a lift shaft and a fire door. Check the far corners with the system on, and count battery life across the whole call including the rehearsal, not across the show alone.