Product Details Slx Wireless System Includes Slx1 Bodypack Transmitter, Slx4 Diversity Receiver, And Wa302 Instrument Cable. Links A Bodypack Transmitter To A Guitar Or Bass.Specificationsslx Wireless Systems Feature Shure'S Patented Audio Reference Companding For Crystal-Clear Sound Beyond The Limits Of Conventional Wireless Technology.Slx-1 Bodypackautomatic Transmitter Setup Backlit Lcd With Timeout Feature Frequency And Power Lockout 3-Segment Battery Fuel Gauge 2 Aa Batteries (Included) Provide 8 Hours Of Continuous Use 518 - 782 Mhz Operating Rangeslx-4 Receiverautomatic Frequency Selection Automatic Transmitter Setup 960 Selectable Frequencies Across 24 Mhz Bandwidth Detachable 1/4 Wave Antennas Microprocessor-Controlled Diversity Rf Presence Led 5-Segment Audio Meter Multi-Function, Backlit Lcd Low Battery Indicator Frequency And Power Lockout Rugged Metal Chassis Volume Control On Rear Of Unit 1/2 Rack Design Furnished Rack Hardware Non-Slip Bumpers For Use Out Of Rack Xlr And 1/4" Outputs Optional Logic Functionality For Software Echo Cancellation And Remote Battery Life Monitoring (Slx4L Only)