Williams Sound PPA 458 Personal PA FM Assistive Listening System, Up to 1000&rsquo; operating range, Microprocessor controlled, Accommodates any number of listeners, Adjustable power output Up to 1000 operating range, Transmitter is FCC Part 15 compliant OLED display, push-button menus; Microprocessor controlled Accommodates any number of listeners, Adjustable power output Combo XLR, " TRS inputs; Meets ADAAG guidelines; Made in the USA Includes: (1) PPA T45 Transmitter, (4) PPA R38N Receivers, (2) NKL 001 Neckloops, (4) EAR 022 Surround Earphones, (1) ANT 025 Whip Antenna, (1) TFP 048 Power Supply, (1) WLC 004 Main Power Cord (U.S.), (1) WCA 013 RCA 3ft. Audio Cable, (1) IDP 008 ADA Wall Plaque and (4) BAT 001-2 AA Alkaline Batteries