For every occasion where the speech is important, such as health and safety annoucements and ringside commentary. You need a professional microphone that can be relied upon.
The Trantec S5.3 Handheld Microphone is a wireless mic that's been designed in the UK with professionalism at its core.
The UHF mic is weighty but practical to use and adaptable to every situation.
Lapel Microphone also available to hire.