The sennheiser SKM95 pro UHF wireless microphone is the latest generation of its company ---UHF PLL--synthesized units. Representing a major breakthrough in both price and performance, convenient and operational advantage of a top frequency -agile UHF wireless system. The system delivers 32 user auto-selectable channels within any of several available 25MHz wide bands in the uncluttered wide open high UHF range (790-865MHz) for optimum clear channel capability in any position. Two wireless handheld Microphones with the best sound output you can ever find on a wireless in this range. The sennheiser SKM95 multi-channel high band anti interupting wave, thereby eliminating interference successfully. PLL synthesized fixed, working separately even if used even at the same time. Operating distance 100 meters companding design to expand effective range.Eliminates feedback and noise. Sensitive receiving design with antennas positioned at the front of the receiver. Perfect performance gear For church, musical concerts and many more.