Electro-Voice R300 HD-B The Electro-Voice R300 HD-B is a is a robust handheld UHF wireless system operating on ‘B’ Band and designed to give you a great sound and freedom to move about the stage or room. The system features a handheld dynamic microphone (PL22) the perfect all-around microphone for singing, speaking engagements, and MCs. The cardioid pickup pattern rejects sounds from the surroundings, helps control audio feedback, and still allows an experienced vocalist to work the microphone. Also included is a robust receiver with dual antenna diversity to help avoid signal dropouts, and its durable metal frame and chassis can either be used on a tabletop, or rack-mounted with optional rack mounting. Further more, the on-board ‘ClearScan’ technology that allows you to search and find the best channel to operate on. Making this a great all-rounder microphone and ideal for almost any application.