Lavaliere system: Dual receiver with 2 lavaliere mics and 2 body-pack transmitters Dual-channel receiver with independent balanced XLR and mixed unbalanced 1/4" jack outputs Half-rack design with optional rack mounting VHF high-band frequency range: 169-216 MHz Operating range up to 500' , 25Hz-20kHz Includes AC power supply & foam-padded case