Features Nady Wlt-15 Lavaliere Mic With Body-Pack Transmitter, Nady Digitru Diversity Processing Circuitry To Eliminate Dropouts And Maximize Operating Range, Single-Channel Receiver With Balanced Xlr And Unbalanced Adjustable 1/4"" Jack Outputs, Off/Standby/On Switch Allows Muting The Transmitter While Maintaining Signal Integrity, Operational Range Up To 500", Frequency Response: 25Hz-20Khz SKU: DBV32229