Williams Sound PFM PRO Personal FM Listening System with Alkaline Batteries, Includes PPA T46 FM Bodypack Transmitter, PPA R37 FM Bodypack Receiver, EAR 041 Single Mini Earphone, HED 021 Folding Headphone, MIC 090 Lavalier Microphone, CCS 043 System Carry Case, 72-76 MHz Band

SKU: WSPFMPRO MFR: PFM PRO
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Key Features

  • Experience crystal-clear audio with the Williams Sound personal FM listening system.
  • Enjoy versatile connectivity with multiple earphone options for personal listening.
  • Achieve optimal sound quality with adjustable gain and audio compression features.
  • Use the lavalier microphone for hands-free communication in presentations.
  • Benefit from long-lasting battery life, ensuring reliable performance during events.
  • Carry and protect your assistive listening system with the included system carry case.
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Williams Sound PFM PRO Specifications

Bodypack Transmitter

Bodypack Transmitter

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  • Operating Frequencies

    Selectable, 17 channels, 72.1 to 75.9 MHz
    Switchable 8- or 17-channel mode
    8-channel mode setting corresponds with PPA R35-8 receiver channels

  • Stability

    +/-0.005%, frequency synthesized, crystal reference, PLL

  • Modulation

    Wide-band FM, 75 kHz peak, 75 Mus pre-emphasis

  • RF Output

    80 mV/m at 3 m (maximum allowed by FCC rules)

  • Frequency Response

    180 Hz to 13 kHz, +/-3 dB at 1% maximum THD

  • Signal-to-Noise Ratio

    65 dB (typical), transmitted

  • Antenna

    Integral with microphone cord

  • Microphone

    Electret type, 3.5 mm mono plug

  • Display

    OLED for status and menu information
    Status: Channel/Frequency, mic audio level, auxiliary input audio level, battery status, mic mute, channel lock, dual-preset modes
    Menu: Channel/frequency display mode select, volume, auxiliary input, compression, 17- or 8-channel mode, screen time out, screen brightness, restore default settings

  • External Controls

    Momentary Push Button: Push and hold 3 seconds for power on/off, push and release for microphone mute On/Off
    Left, right and menu buttons for accessing and changing transmitter settings
    Battery type switch (alkaline or NiMH) located behind the battery compartment door

  • Indicators

    Power LED: Green, flashes when battery is low

  • Mic Input

    3.5 mm mono jack with electret mic bias, adjustable gain with 25 dB range

  • AUX Input

    2.5 mm stereo jack, adjustable gain with 60 dB range

  • Audio Compression Method

    1:1 (Off) or 2:1 (On) selectable in menu

  • Battery Type

    2 x AA 1.5 V BAT 001-2 non-rechargeable alkaline batteries, 75 mA nominal current drain, up to 30 hours battery life
    or
    2 x AA 1.5 V BAT 026-2 NiMH rechargeable batteries, 75 mA nominal current drain, up to 20 hours battery life per charge, recharges in 14 to 16 hours, uses CHG 3502 or CHG 3512 Charger (sold separately)

  • Enclosure Material

    Shatter-resistant PC/ABS plastic with textured scratch-resistant aluminum faceplate

Bodypack Receiver

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  • Channels

    17, Accessed via Seek Button in Battery Compartment

  • Operating Frequency

    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, 75.9MHz
    75kHz Intermediate Frequency

  • Deviation

    75kHz

  • De-Emphasis

    75MuS

  • Range

    AFC Range: +/-120kHz

  • Sensitivity

    2MuV at 12dB Sinad with Quelch Defeated

  • Max Input Signal

    100mV

  • Frequency Response

    200Hz - 15kHz

  • Modulation

    FM, +/-75kHz Peak Deviation

  • Signal to Noise Ratio

    65dB Min at 100MuV

  • Output Level

    35mW Max, Peak into 16 Ohms

  • Connectors

    3.5mm Stereo/Mono Headphone Jack

  • Earphone

    Earbud Type, Foam Cushion, 32 Ohm Impedance, Standard 3.5mm Plug

  • Antenna

    Uses Earphone/Headphone Cord as Antenna

  • Battery

    2 x AA Alkaline or NiMH
    Up to 50 Hours Life with Alkaline, Up to 32 Hours with Rechargeable NiMH
    Enters Sleep Mode After 6 mins with no RF Signal

  • Current Consumption

    52mA, Nominal

  • Indicators

    Green Power LED (Flashes for Low Battery)

  • Temperature Range

    32 to 122 deg. F (0 to 50 deg. C)

  • Approvals

    FCC, Industry Canada, RoHS, WEEE

Isolation Earphone

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  • Style

    Monaural in-ear

  • Plug

    1/8" (3.5 mm) mono

  • Driver Size

    0.4" (10.0 mm)

  • Nominal Impedance

    16 Ohms

  • Frequency Response

    20 Hz to 20 kHz

  • Power Input

    5 mW

  • Sensitivity

    104 dB at 1 kHz

  • Replacement Parts

    Replacement Silicone Tip: EAR 043 (one pair)

  • Cord Length

    39.0" (99.1 cm)

Folding Headphones

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  • Headphone: Driver Size

    1.2" (30 mm)

  • Headphone: Design

    On-Ear (Supra-aural)

  • Connectivity: Audio Connector

    1/8" (3.5 mm)

  • Cable Length

    39" (99.06cm)

  • Frequency Response

    20 Hz to 20 kHz

  • Sensitivity

    110 dB at 1 kHz

  • Impedance

    32 Ohms

  • Maximum Power Handling

    100 mW

  • Foldable

    Yes

Auxiliary Cable

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  • Compatible With

    PPA T46 Personal PA Bodypack Transmitter

  • Connectors

    3.5 mm Stereo Male (Right-Angled)
    2.5 mm Stereo Male

  • Compliance

    RoHS

  • Length

    3.0' (0.9 m)

Lapel Clip Mic

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  • Element

    Electret condenser

  • Pickup Pattern

    Omni-directional

  • Impedance

    1.5 kOhms

  • Frequency Response

    20 Hz to 18 kHz

  • Dynamic Range

    79 dB

  • Sensitivity

    -56 dB (+/-3 dB)

  • Signal-to-Noise Ratio (SNR)

    63 dB

  • Plug

    Right Angle: 1/8" (3.5 mm)

  • Approvals

    RoHS

  • Cable Length

    3.3' (1.0 m)

  • Replacement Parts

    Replacement Windscreen: WND 006
    Replacement Clip: CLP 090

AA Alkaline Battery

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  • Battery Type

    2x AA

  • Battery Chemistry

    Alkaline

  • Battery Voltage

    1.2 V

  • Package Quantity

    2

Carry Case

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  • Material

    Leatherette

  • Compatibility

    PFM 330, PFM 360, Digi-Wave DLT's, Digi-Wave DLR's

General

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  • Dimensions

    Bodypack Transmitter (LxWxD): 4.1 x 2.8 x 1.1" (104.14 x 71.12 x 27.94mm)
    Bodypack Receiver (HxWxD): 4.1 x 2.85 x 1.38" (104.14 x 72.39 x 35.05mm)
    Carry Case: 9.25 x 8 x 3" (234.95 x 203.20 x 76.20mm)

  • Weight

    Bodypack Transmitter: 2.6 oz (73.71g) (Without Batteries)
    Bodypack Receiver: 4.6 oz (130.41g) (With receiver), 2.6 oz (73.71g) (Without Batteries)
    Isolation Earphone: 0.2 oz (5.67g)
    Folding Headphones: 1.8 oz (51.03g)
    Auxiliary Cable: 0.64 oz (18.14g)
    Carry Case: 0.70 lbs (0.32kg)
    Auxiliary Cable: 0.04 lbs (0.02kg)
    Lapel Clip Mic: 0.05 lbs (0.02kg)

About Williams Sound PFM PRO

Make your listening experience superior with the PFM PRO Personal FM Listening System. This comprehensive system is designed to deliver high-quality audio directly to your ear, making it an ideal solution for environments where background noise or distance from the source can make listening challenging.

The system operates on 17 selectable channels within the 72-76 MHz band, offering a wide range of frequencies to choose from. With an impressive operating range of up to 150 feet, you can move freely without losing the signal. The system includes a versatile 3.5mm jack, compatible with a variety of earphones, headphones, neckloops, and telecoil-equipped hearing aids, providing flexibility to suit your individual needs.

The PPA T46 FM Bodypack Transmitter, a key component of this system, broadcasts a speaker's voice or audio program on one of the available channels to listeners using the PPA R37 FM Bodypack Receiver. The transmitter is equipped with flexible microphone and auxiliary input jacks, push-button on/off/mute controls, and selectable compression. It also features an OLED screen that displays current operating status and menu information.

The PPA R37 FM Receiver is simple and flexible, offering easy-to-use, seek-button channel selection with access to 17 pre-set wideband frequencies between 72-76 MHz. It is compatible with a range of Williams Sound transmitters and is digitally synthesized for enhanced audio clarity and stability.

The package also includes the EAR 041 Single Mini Earphone, designed to fit comfortably in the outer part of the ear, and the HED 021 Folding Headphone, which is adult-sized and suitable for mild and low gain hearing loss. The MIC 090 Lavalier Microphone, with its omnidirectional condenser, ensures clear and consistent audio capture.

The system comes with a CCS 043 Leatherette Carry Case, providing a convenient and stylish storage solution for your PFM PRO Personal FM Listening System. Whether you're at home, work, school, or on the move, this system is designed to enhance your listening experience and overcome challenging audio environments.

Williams Sound PFM PRO Features

  • High-quality Personal FM Listening System operating on 17 selectable channels within 72-76 MHz band
  • Includes PPA T46 FM Bodypack Transmitter with flexible microphone and auxiliary input jacks, and OLED display
  • Features PPA R37 FM Receiver compatible with a range of Williams Sound transmitters, offering enhanced audio clarity
  • Package contains EAR 041 Single Mini Earphone and HED 021 Folding Headphone for versatile listening options
  • Comes with MIC 090 Lavalier Microphone for clear audio capture
  • System is housed in a stylish and convenient CCS 043 Leatherette Carry Case

Warranty Information

This product has a limited lifetime warranty.

Product Documents

User Manual

Key Features

  • Experience crystal-clear audio with the Williams Sound personal FM listening system.
  • Enjoy versatile connectivity with multiple earphone options for personal listening.
  • Achieve optimal sound quality with adjustable gain and audio compression features.
  • Use the lavalier microphone for hands-free communication in presentations.
  • Benefit from long-lasting battery life, ensuring reliable performance during events.
  • Carry and protect your assistive listening system with the included system carry case.

What's in the box:

  • Williams Sound PPA T46 FM Bodypack Transmitter with CLP 023 Belt Clip
  • PPA R37 FM Bodypack Receiver with EAR 013 Single Earphone
  • EAR 041 Mini Earphone
  • HED 021 Folding Headphone
  • MIC 090 Lavalier Microphone
  • CCS 043 System Carry Case
  • WCA 087 Audio Input Cable
  • 2x BAT 001-2 AA Alkaline Batteries
  • Williams Sound Lifetime Plus Limited Warranty for Transmitter and Receiver (90 Day for Accessories)