Product Details Pgx14 Descriptionunplugged. Uncompromising.It'S Never Been Easier To Go Wireless And Sound Like A Pro. Shure'S Pgx Wireless Brings The Superior Sound Of Shure Microphones Together With Innovative Automatic Setup Features In Nine Easy-To-Use Packages.Specificationsdurably Constructed, With 12 Compatible Systems (Multiple Bands) And Included Carrying Case, Pgx Is The Perfect System For Performers On The Go Who Want Worry-Free Performance, Every Time.Pgx Systems Feature Shure'S Patented Audio Reference Companding For Crystal-Clear Sound Beyond The Limits Of Conventional Wireless Technology.Pgx1 Bodypack Transmitter Multi-Function Led Indicator (Power, Lockout, Mute, Low Battery) Automatic Transmitter Setup 30 Ft. (92 M) Operating Range -10Db Pad 2 Aa Batteries Provide 8 Hours Of Continuous Use 18 Mhz Operating Rangepgx-4 Receiverautomatic Frequency Selection Automatic Transmitter Setup 90 Selectable Frequencies Across 18 Mhz Bandwidth 1/4 Wave Antennas Microprocessor-Controlled Diversity Channel Display Led Xlr And 1/4" Outputs