The ideal entry-level wireless microphone system for small venues, BLX offers professional quality sound with simple setup and an intuitive interface.The BLX14/W85 Presenter System with WL185 brings a new level of sophistication to personal voice reproduction. Like all Microflex family microphones, this lavalier uses an interchangeable condenser cartridge, meaning there will always be a lavalier to suit your application. With analogue wireless transmission.