The uhf-3200 operates on the less-crowded UHF frequency band giving you a clearer, interference-free sound. Each mic channel has its own volume control and you can either output both channels independently or together using the inchmixed output inch channel. Enjoy wireless freedom at home or in the club with the uhf-3200.. Frequency sets: UHF-3200-10 9M, 9N, 3 unbalanced mic outputs (1/4 inch) and 1 mixed output (1/4 inch), 3 wireless handheld mics included, low battery indicator (LED) on mics, dual Antennas provide clear signal reception, rugged 1 RU metal receiver chassis, interference-resistant UHF band operation, complies with new FCC frequency rules.