IR SYS32 Headphone package includes:
(1) IR TR3 Medium-area transmitter
(3) WIR RX22-4N Four-channel receiver
(3) HED 021 Mono folding headphone
(2) NKL 001 18″ Mono neckloop
(3) BAT 001-2 AA Alkaline batteries
(1) BKT-024 Wall/ceiling mount
(1) TFP 057 Power supply
(1) IDP 008 ADA wall plaque