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Personal PA® 457 FM Assistive Listening System
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Product Description
The Personal PA® 457 features the cutting-edge PPA T45 transmitter, with multiple digital audio input options and an OLED display with easy-to-manage menu navigation. Features three powerful microprocessors and the same high-quality audio and RF performance you’ve come to expect from Williams Sound. With an operating range of up to 1000 feet, the PPA 457 is ideal for large venues where superior coverage is essential. This complete turnkey solution includes four PPA R37 receivers, each featuring seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. The system is expandable, accommodating any number of listeners. This system complies with 2010 ADA guidelines for hearing assistance and is covered by Lifetime PLUS Limited Warranty.
The PRO models also include a coaxial antenna, coaxial cable and rack panel kit for professional installation.
The PPA 457 Includes:
(1) PPA T45 Transmitter
(4) PPA R37 Receivers
(2) NKL 001 Neckloops
(4) EAR 013 Earphones
(1) ANT 025 Whip Antenna
(1) TFP 048 Power Supply
(1) WLC 004 Main Power Cord (U.S.)
(1) WCA 013 RCA Audio Cable, 3 ft.
(1) IDP 008 ADA Wall Plaque
(4) BAT 001-2 AA Alkaline Batteries
The PPA 457 PRO Includes:
(1) PPA T45 Transmitter
(4) PPA R37 Receivers
(2) NKL 001 Neckloops
(4) EAR 013 Single Mini Earbuds
(1) ANT 025 Whip Antenna
(1) TFP 048 Power Supply
(1) WLC 004 Main Power Cord (U.S.)
(1) WCA 013 RCA Audio Cable, 3 ft.
(4) BAT 001-2 AA Alkaline Batteries
(1) IDP 008 Wall Plaque
(1) ANT 005 Coaxial Antenna
(1) RPK 005 Rack Panel Kit
T45 professional transmitter
Up to 1000’ operating range
OLED display, push-button menus
Microprocessor controlled
Accommodates any number of listeners
Adjustable power output
Combo XLR, ¼” TRS inputs
Frequency range is 20 - 200kHz
Sensitivity is 128 dB @ 1kHz
Audio output is 35 mW max, peak into 16 ohms
Audio frequency response is 200Hz to 15kHz ± 3 dB
Signal to noise ratio is 65 dB minimum
Great for portable use
Flexible 3.5 mm microphone and RCA line-level inputs
The PPA R37 receiver is be encased in black, PC/ABS impact-resistant plastic
Channel selection is made by pushing the seek button inside the battery compartment
The R37 receiver operates up to 50 hours with two disposable AA Alkaline batteries and up to 32 hours with two AA NiMH rechargeable batteries
Enters sleep mode after approx 6 minutes of no RF signal
Meets ADAAG guidelines
Lifetime Plus Limited Warranty and 90 days on accessories
Product Dimensions:
10-3/8" L x 6-¼" W x 1/8" H
Product Weight:
4.6 oz with battery, 2.6 without battery
Please note: This System has 17 available channels and operates on 72-76 MHz and is approved by the FCC for operation in U.S. markets. The system cannot be used in all countries. Check with your government´s radio regulations for 72-76 MHz operation.
There is currently no demonstration video for the Personal PA® 457 FM Assistive Listening System.
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