The Behringer Ultralink UL2000M is a high-performance UHF True Diversity Wireless Microphone System with 320 selectable frequencies. Go wireless and stay flawless-With the latest breakthrough in affordable pricing! BEHRINGER goes wireless at a performance level and price that s unheard of! With the revolutionary ULTRALINK UHF wireless microphone/receiver set, you will experience the most innovative and high-tech design available in this price segment. Choose from 320 transmission frequencies and enjoy the powerful advantage of simultaneous operation for up to 20 systems*. With its user-friendly control menu