Williams Sound PPA375 Large Area FM System.
The T35 transmitter features a sleek LED digital display, microprocessor and easy-to-use push-button controls. Setting up the T35 is a snap, even for the novice audio user: Quickly choose between Voice, Music, or Hearing Assistance in the Application Preset menu. The T35 configures itself to the appropriate setting, taking the guess work out of complex audio installation. Operating up to 500 feet, the T35 is ideal for auditoriums, theaters, or other large venues where coverage area is essential.
Includes:

• 1 PPA T35 Transmitter
• 1 Telescoping Whip  Antennea (ANT 021)
• 4 (PPA R35) Receivers - with 8 (BAT 001) AA batteries & 4 (EAR 013) mini earphones
• 1 RCA to RCA audio cable, 3 ft. (WCA 013)
• 1 RCA to 1/4" Phone plug adaptor (CNA 007)
• Manual (MAN 110)
• ADA wall plaque (IDP 008)

Five Year warranty