Sennheiser EW D1-935

Choice of various microphone heads from the renowned
evolution series
Up to 15 compatible channels (under optimal conditions)
in license-free 2.4 GHz band
Automatic frequency management
Prevents interference: Intelligent channel back-up allows
co-existence with Wi-Fi & Bluetooth
Audio effects: equalizer, de-esser, automatic gain control
iOS & Android app for remote control and monitoring of
the system
Sturdy metal housing