Williams Sound PPA 458 NET Personal PA FM Assistive Listening System

Williams Sound PPA 458 NET Personal PA FM Assistive Listening System

Williams Sound PPA 458 NET Personal PA FM Assistive Listening System


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Williams Sound PPA 458 NET overview

  • 1Description

The PPA 458 NET Personal PA FM Assistive Listening System from Williams Sound includes the PPA T45NET transmitter which features network control, multiple digital audio input options, and an OLED display with easy-to-manage menu navigation. It contains three microprocessors and is designed for high-quality audio and RF performance. With an operating range of up to 1000', the PPA 458 NET is suitable for large venues. The system is expandable, accommodating any number of listeners. It also complies with 2010 ADA guidelines for hearing assistance.

This system consists of one PPA T45NET transmitter, four PPA R38N receivers, two NKL 001 neckloops, four EAR 022 surround earphones, one ANT 025 whip antenna, a TFP 048 power supply, a WLC 004 U.S. main power cord, one WCA 013 audio cable, four sets of BAT 001-2 AA alkaline batteries, and an IDP 008 ADA wall plaque.

Note: This system is 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.

  • PPA SelectView FM Receiver

    The Williams Sound PPA SelectView FM Receiver is an FM receiver for assisted listening applications. It features a high-resolution OLED screen that provides a quick view of receiver status and immediate entry to all user settings. The receiver has on-screen channel selection with access to 17 pre-set, wideband frequencies (72 to 76 MHz).

    The PPA SelectView is digitally synthesized to provide audio clarity and stability and also features digital tuning, digital squelch and battery-saving sleep mode. A belt clip is included.

    OLED high-resolution screen provides a quick view of receiver status
    All user settings are accessible via the on-screen menu - including all 17 wideband channels.
    Stereo headphone jack
    Works with rechargeable or non-rechargeable batteries
    Digital volume controls
    4-step battery level indication
    Display shows channel or frequency
    Step/seek function allows user to increment channel manually, or seek to the next active channel
    Sleep Mode/Auto-Off saves battery power
    Soft Audio Turn-On
  • NKL 001 Induction Neckloop for T-Switch Hearing Aids

    The Williams Sound NKL 001 is an induction neckloop designed to magnetically couple an audio signal to a telephone coil-equipped (T-Switch) hearing aid. The neckloop has a standard 1/8" mini plug that can be connected to any audio device that has an 8-16 Ohm 1/8" output, such as a beltpack receiver, TV, tape player, etc. The neckloop has a slider so you can adjust the tension, and the 18" cord provides a good amount of slack for use with body-worn devices.

    • Integrated safety breakaway device
    • Cord Length: 18"
    • Adult size
    • Connector: 1/8" mono plug
    • Monoaural
    • Impedance: 8 to 16 Ohms
    • Recommended for FM receivers and select IR receivers
    • For individuals with moderate to severe hearing loss
  • ANT025 - 39" Telescoping Whip Antenna for T45 Transmitter

    The Williams Sound ANT025 is a telescoping whip antenna intended for use with the T45 personal PA transmitter.

    • For Use with: PPA T45, PPA T45NET, PPA T27 transmitters
    • Connector Type: Screw to PCB
    • Length: 39"
In the Box
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Also Includes

Table of Contents
  • 1Description
  • PPA SelectView FM Receiver
    Battery Type 2x AA Alkaline or NiMH rechargeable
    Battery Life Alkaline Batteries: 50 hours, approximate
    Rechargeable NiMH Batteries (1,500 mAh): 32 hours, approximate
    Current Consumption 52 mA, nominal
    Operating Temperature Range 32 to 122° F (0 to 50° C)
    Channels 17x Wideband, accessed via menu
    Operating Frequencies 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
    FM Deviation 75 kHz
    De-Emphasis 75 µS
    Screen 1" (25.4 mm) OLED
    Power Indication Power Button: Backlit green
    Good Battery Strength: Glows solid
    Low Battery: flashes
    Sensitivity 2 µV at 12 dB Sinad with squelch defeated
    Input Overload 100 mV
    Frequency Response 200 Hz to 15 kHz, ±3 dB
    Modulation FM, ±75 kHz peak deviation
    Signal to Noise Ratio Minimum 65 dB @ 1.0 V
    Antenna Receive Antenna: Integral with earphone/headphone cord
    Audio Output 35 mW maximum at 16 Ohms
    Headphone Connector 1/8" (3.5 mm) stereo jack, mono output for stereo or mono earphones/headphones
    Power Save Mode Enters sleep mode after approximately 3 minutes of no RF signal
    Construction ABS plastic with aluminum face plate
    Dimensions (H x W x D) 4.1 x 2.9 x 1.4" (104 x 72 x 35 mm)
    Weight With Batteries: 4.6 oz (130 g)
    Without Batteries: 2.6 oz (73 g)
    Packaging Infofvtawyxzsfxswebvsbbasuwbafsaxdcvwfsr
    Box Dimensions (LxWxH) 3.858 x 2.52 x 1.181"
  • NKL 001 Induction Neckloop for T-Switch Hearing Aids
    Magnetic Field Strength 25 mW input at 1000 Hz produces 1.7 A/m 6" above the center of loop
    85μW input produces 0.1 A/m (IEC Standard)
    Input Power 500 mW max
    Impedance 8 to 16 Ohms
    Connector 1/8" / 3.5 mm mono mini-plug
    Cable Length 18 / 457 mm
    Color Black
    Approvals RoHS, WEEE
    Weight 1.5 oz / 43 g
    Packaging Info
    Box Dimensions (LxWxH) 5.6 x 4.1 x 1.0"
  • ANT025 - 39" Telescoping Whip Antenna for T45 Transmitter
    For Use with Transmitters:
    PPA T45
    PPA T45NET
    PPA T27
    FM Frequency Range 72-76 MHz
    Connector Type Screw to PCB
    Length 39.0" / 99.1 cm
    Packaging Info
    Box Dimensions (LxWxH) 11.0 x 2.5 x 0.1"

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