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Williams Sound FM 457 Assistive Listening System

Model: FM 457

Williams Sound FM 457 Assistive Listening System
Williams Sound FM 457 Assistive Listening System
Williams Sound FM 457 Assistive Listening System
Williams Sound FM 457 Assistive Listening System
Williams Sound FM 457 Assistive Listening System
Williams Sound FM 457 Assistive Listening System
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  • Not in-Stock: Estimated Lead Time 2-3 Days 
  • Not yet reviewed




About: Williams Sound FM 457 Assistive Listening System

4-Receiver System / R37 Receivers.  The FM 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 FM 457 is ideal for large venues where superior coverage is essential. This complete turnkey solution includes four 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.

System Includes

  • (1) PPA T45 Transmitter
  • (4) PPA R37N Receivers
  • (4) EAR 022 Surround Earphones
  • (2) NKL 001 Neckloops
  • (4) BAT 001-2 AA Alkaline Batteries
  • (1) ANT 025 Whip Antenna
  • (1) IDP 008 ADA Wall Plaque
  • (1) TFP 048 Power Supply
  • (1) WCA 013 RCA Audio Cable, 3 feet
  • (1) WLC 004 Main Power Cord (U.S.)

Optional 17-channel receiver (PPA R38N) is available for multi-channel applications.



AVShop.ca is a Canadian authorized Williams Sound retailer.

Reviews: Williams Sound FM 457 Assistive Listening System

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Warranty: Williams Sound FM 457 Assistive Listening System

AVShop.ca Warranty:

30 Days

Manufacturer's Warranty:

Most systems: 2 years
PPA systems: Limited lifetime
Accessories: 90 days