Williams PPA-457 Personal PA FM Assistive Listening System

Williams PPA-457 Personal PA FM Assistive Listening System

  • $1,080.76
    Unit price per 


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.

NOTE: Approved by the FCC for operation in U.S. markets. The system cannot be used in all countries. Check with your government radio regulations for 72-76 MHz operation.

Features:

  • 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, 1/4" TRS inputs
  • Meets ADAAG guidelines
  • Lifetime PLUS Limited Warranty. 90 days on accessories.
  • Made in the USA

Specifications:

  • ANT 025
  • Used with: T45, T27, T35 Transmitters
  • Connector type: Screw to PCB
  • Cable type: N/A
  • Nominal Impedance: N/A
  • Length: 39"
  • BAT 001-2: Alkaline, 1.2 Volt
  • EAR 013: Plug 3.5 mm mono
  • Cord length: 39 inches
  • Impedance: 32 Ohms
  • Frequency Range: 20 - 20kHz
  • Max input power: 5mV
  • Sensitivity: 128dB @ 1kHz
  • Driver size: 13 mm
  • Weight: 9g
  • Replacement earpad: EAR 015
  • PPA R37
  • Dimensions: 4.1" x 2.85" x 1.38" (104 x 72 x 35mm)
  • Weight: 4.6oz (130g) with batteries. 2.6oz (73g) without batteries
  • Color: Black
  • Battery Type: (2) AA Alkaline or 2 x AA NiMH
  • Battery Life: Two (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
  • (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs
  • Current Consumption: 52mA nominal
  • Temperature Range: - 0 to 50C
  • Channels 17, accessed via seek button in battery compartment
  • Operating Freq.: 72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*
  • Intermediate Freq.: 75 kHz
  • FM Deviation: 75 kHz
  • De-Emphasis: 75 µS
  • LED Indicator: Power: Green; Low Battery: Flashes Green
  • AFC Range: ± 120 kHz
  • Sensitivity: 2 µV at 12 dB Sinad with squelch defeated
  • Input Overload: 100 mV
  • Frequency Response: 200 - 15 kHz
  • Modulation: FM, +/- 75 kHz peak deviation
  • Signal-to-Noise Ratio: 65 dB min @ 100 uV
  • Receive Antenna: Integral with earphone/headphone cord
  • Audio Output: 35 mW max, peak into 16 ohms
  • Output Connector: 3.5 mm stereo/mono phone jack
  • Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32 Ω
  • Auto Shut-off Enters sleep mode after approx 6 mins of no RF signal
  • Approvals: FCC, Industry Canada, RoHS, WEEE
  • Warranty: Lifetime PLUS Limited Warranty, 90 Days on most accessories.

Item Includes:

  • (1) PPA T45 Transmitter
  • (4) PPA R37 Receivers
  • (2) NKL 001 Neckloops
  • (4) EAR 013 Earphones
  • (1) ANT 025 Whip Antenna
  • (1) WCA 013 Audio Cable
  • (1) TFP 048 Power Supply
  • (1) IDP 008 ADA Wall Plaque
  • (4) BAT 001-2 AA Alkaline Batteries

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