Professional VHF Wireless System - Quartz Lock for Drift-Free Operation - 4 Microphones Included * Operation Range: 240 ft. - XLR Balanced and 1/4"" Unbalanced Mixed Output - Individual 1/4"" Unbalanced Outputs - Batteries and 1/4"" Audio Cables Included * Power On/Standby/Off Switch - Power LED Indicates Status - Audio Mute Circuitry For Quiet Operation - Advanced Companding Circuitry * AF Signal LED Segment Meter on Each Channel - Individual Channel Volume Controls w/ LED Display * 110V/220V Selectable - Rack Hardware Included * Professional VHF Wireless System - Quartz Lock for Drift-Free Operation - 4 Microphones Included * Operation Range: 240 ft. - XLR Balanced and 1/4"" Unbalanced Mixed Output - Individual 1/4"" Unbalanced Outputs - Batteries and 1/4"" Audio Cables Included * Power On/Standby/Off Switch - Power LED Indicates Status - Audio Mute Circuitry For Quiet Operation - Advanced Companding Circuitry * AF Signal LED Segment Meter on Each Channel - Individual Channel Volume Controls w/ LED Display * 110V/220V Selectable - Rack Hardware Included