The best replacement for wireless microphone is wired microphone.

The best alternatives to wireless microphone are rated as following:
★★★★★  wired microphone

Your alternative for wireless microphone is not listed? Suggest!
Speaking about wireless microphone, one probably shouldn't forget about pa system.

Other search terms related to wireless microphone and their ratings are:
★★★★★ pa system
You have in mind a companion for wireless microphone and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of wireless microphone in all years. Click on graph for more.
wireless microphone
wired microphone