Williams Sound PPA 377-00 Personal PA FM Listening System NO Headphones Up to 1000' operating range LCD display, push-button menus; Microprocessor controlled Accommodates any number of listeners, Adjustable power output Combo XLR, 1/4" TRS inputs; Meets ADAAG guidelines Includes: (1) T35 Transmitter, (4) PPA Select Receivers (PPA R37), (1) ANT 025 Whip Antenna, (1) WCA 013 Audio Cable, (1) TFP 016 Power Supply, (1) IDP 008 ADA Wall Plaque and (8) BAT 001 AA Alkaline Batteries