Williams Sound PPA 457 : Personal PA FM Listening System

The Williams Sound PPA 457 Personal PA FM Listening System ensures people in your facility receive direct, clear communication of your message. Push-button menu controls make the system easy to set up and use. With professional sound features and an operating range of up to 1000 feet, the Williams Sound PPA 457 is ideal for large venues where superior coverage is essential.

This product is Proudly Made in the USA!

The Williams Sound PPA 457 Personal PA FM Listening System complete turnkey solution includes four Williams Sound PPA Select™ receivers (PPA R37), each featuring seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. The Williams Sound PPA 457 Personal PA FM Listening System is expandable, accommodating any number of listeners. The Williams Sound PPA 457 meets ADA (Americans with Disabilities Act) accessibility requirements (see Downloads & Links Tab for more details) and is covered by an industry-leading Lifetime Plus Limited warranty.* (*90 days on accessories. )

Williams Sound PPA 457 Features:

Analog Line/Mic Input : Balanced or Unbalanced Input with Phantom Power [XLR/TRS]
Digital Input : AES or EBU [XLR] and Coaxial S/PDIF [RCA]
Line Out : RCA - Mono
Select up to 17 Wideband or 77 Narrowband channels on 72-76 MHz
Covers any large facility up to 1000 feet
Pre-configured audio settings for voice, music, or hearing assistance saves time
Digitally controlled microprocessor
LCD and Push button menu controls
Field tunable receivers (Seek-Button Tuning)
Meets ADA guidelines (see Downloads & Links Tab for more details)
Rack Panel Kits available - sold seperately
Lifetime PLUS Limited Warranty (90 days on accessories)
Made in the USA!!

Williams Sound PPA 457 System Includes:

1 x PPA T45 Display Transmitter
4 x PPA R37 Receivers with Batteries
4 x EAR 013 Earphones
2 x NKL 001 Neckloops - for use with Tele-Coil equipped hearing-aids.

1 x IDP 008 Wall Plaque
1 x WCA 013 Audio Cable
1 x ANT 025 Whip Antenna
1 x TFP 048 Power Supply

Williams Sound PPA 457 Applications:

Theatres
Cinemas
Houses of Worship
Auditoriums

Schools
Stadiums/Arenas
Zoos
Other places of Public Access

Williams Sound PPA 457 Wide-Band Channels (MHz)

Chnl		Chnl		Chnl
A	72.1	G	75.7	O	72.6	Notes: 1) (*) Channel E - 72.9 MHz is standard. 2) System delivered pre-tuned to Channel E. 3) Transmitter channel must match receiver channel
B	72.3	H	75.9	P	72.8
C	72.5	I	74.7	R	75.4
D	72.7	J	75.3	S	75.6
E*	72.9	K	72.2	T	75.8
F	75.5	N	72.4

Williams Sound PPA 457 Downloads and Links:

PPA T45 Spec Sheet (343 kb, pdf)
PPA 457 Spec Sheet (Not Available as of 11-18-2013)
PPA 457 Manual (Not Available as of 11-18-2013)
Warranty Statement (133 kb, pdf)
Warranty Registration (Williams Sound Website)

ADA Compliance:
The Americans with Disabilities Act (ADA) requires public facilities to provide equal access to people with disabilities, including those individuals who have difficulty hearing. Please see below for informational resources regarding ADA compliance.

ADA Calculator (Williams Sound ADA Calculator App)
ADA Requirements (1.17 Mb, pdf)
Assisted Listening Receiver Requirements (52 kb, pdf)
US Dept of Justice 2010 Standards for Accessible Design (4.96 Mb, pdf)

For up to the date information please visit the ADA website (link).