Hisonic UHF 32-Channel True Diversity Wireless Microphone System, HSU232H High quality professional UHF microphone system with 2 handheld microphones, ture diversity technology Hi-Fi sound quality and long range transmisson up to 500 feet Two balanced XLR outputs and one unbalanced standard 1/4" output 16 selectable channels for each handheld prevents any possible interference 30 days money back guarantee and one year limited warranty