GTD Audio V-28HL VHF Wireless Microphone System with Hand held & Lapel mics 2 Channel Receiver with 1 Handheld, 1 Lapel, Headset Microphones Individual volume controls on each Channel 230 feet ( 65 Meters ) Range 1/4' Mixed output, & 1/4" Individual outputs Available Frequencies: Set 1 ( 230.90Mhz, 240.10Mhz ) Set 2 ( 244.30MHZ, 251.30Mhz ) Set 3 ( 266.20Mhz, 215.5Mhz ) Set 4 ( 240.30Mhz, 212.60Mhz )