Will venues have a wireless system ready for me? Follow Some venues like corporate events or big arenas will. But many won’t, so be prepared. Always carry a UE Sound Tap to be safe. Learn more about UE Sound Tap here and here. Related articles Do we need different wireless packs for every country we visit? How do I use wireless transmitters with my UE Custom In-Ear Monitors? Do I need any other equipment for my in-ear monitors? Do I need to invest in a wireless transmitter system or do I have other options? I need a refit. Can a local audiologist make the adjustments? Would that affect my warranty?