Williams Sound PPA 457 NET PRO
Personal PA Pro FM Assistive Listening System

OUR PART #  PPA-457-NET-PRO


The Williams Sound PPA 457 NET PRO is a personal PA pro FM assistive listening system that features the cutting-edge PPA T45NET transmitter, with control/monitoring capability from any remote location, multiple digital audio input options, and an OLED display with easy-to-manage menu navigation. It 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 NET PRO 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. Includes a coaxial cable and rack panel kit for professional installation. 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.

Williams Sound PPA 457 NET PRO Includes:

  • (1) PPA T45NET 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, 3ft.
  • (4) BAT 001-2 AA Alkaline Batteries
  • (1) IDP 008 Wall Plaque
  • (1) ANT 005 Coaxial Antenna
  • (1) RPK 005 Rack Panel Kit

Williams Sound PPA 457 NET PRO Features:

  • PPA T45NET 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

Williams Sound PPA 457 NET PRO Specifications:

  • PPA T45NET Transmitter
    • Dimensions: 8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)
    • Weight: Transmitter: 3.0 lbs (1.36 kg)
    • Color: Black/Silver with black legends on the front, white legends on the back
    • Rack Mount: Standard 19" Rack, one EIA rack space high, 1/2 space wide
  • PPA R37 Receivers
    • 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:
      • (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
      • (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs
    • Temperature Range: – 0 to 50C
    • Channels: 17, accessed via seek button in battery compartment
    • Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32 Ohms
  • EAR 013 Single Mini Earbuds
    • Plug: 3.5 mm mono
    • Cord length: 39 inches
    • Impedance: 32 Ohms
    • Frequency Range: 20 - 20 kHz
    • Driver size: 13 mm
    • Weight: 9 g
  • ANT 025 Whip Antenna
    • Used with: PPA T45, PPA T45NET, PPA T27 Transmitters
    • Connector type: Screw to PCB
    • Length: 39"
  • TFP 048 Power Supply
    • Input: 100-240 VAC, 50/60 Hz, 0.5 A
    • Output: 24 VDC, 0.75 A
    • 0.3 lbs
  • WCA 013 RCA Audio Cable
    • Description: Single RCA - RCA audio cable
    • Cable type: Two-conductor
    • Length: 3 ft
  • IDP 008 Wall Plaque
    • 10-3/8" (L) x 6-1/4" (W) x 1/8" (H)
  • ANT 005 Coaxial Antenna
    • Use with: PPA T45,PPA T45NET, PPA T27 Transmitters
    • Connector type: F-connector
    • Cable type: RG 59 coax
    • Nominal impedance: 75 Ohm
    • Total cable length: 22 ft
    • Active Antenna Length: 80 in
3V 12 Unit Charger for R35
Williams Sound CHG3512 3V 12 Unit Charger for R35
The Williams Sound CHG3512 charges over the course of a four hour time span.  It helps keep your receivers organized and saves cost on having to replace alkaline batteries.  Features individual charging LED indicators.  LEDs ...
Rack Kit, Dual
Williams Sound RPK-006 Rack Kit, Dual
Dual rack mount kit for half-rack space products.
Single Rack Mount Kit for 1/2 Space Units
Williams Sound RPK-005 Single Rack Mount Kit for 1/2 Space Units
Single Rack Mount Kit for 1/2 Space Williams Sound Units.
Neckloop Coupler, 18.5" Cord, 3.5mm Plug
Williams Sound NKL-001 Neckloop Coupler, 18.5" Cord, 3.5mm Plug
The neckloop is designed to magnetically couple the audio output from a Williams Sound unit into a hearing aid equipped with a telephone coil.  It will also work with tape players, TVs, and any device which has an 8-16 Ohm audio ...
Headphone,Behind the Ear
Williams Sound HED-026 Headphone,Behind the Ear
The stylish HED 026 rear-wear headphone offers excellent sound quality; it rests comfortably over the ears and wraps around the back of the head for a less obtrusive, relaxed fit.
Mini Earphone
Williams Sound Ear 013T Mini Earphone
Single Mini Earphone with Flexible Eartip
Mini Earphone, Single
Williams Sound EAR-013 Mini Earphone, Single
Single Mini Earbud. Fits in the outer part of the ear. 1m Cord. Foam cushions are washable and replaceable. Recommended for FM Receivers, Select IR Recievers, and Pocketalker. For mild to moderate hearing loss.
Wide Range Earphone
Williams Sound EAR 022 Wide Range Earphone
Surround Earphone. Hangs on outside of ear. Excellent sound quality. 32 O, mono. Hearing loss rating: mild and low gain. 0.04 lbs.

5.0 / 5

★★★★★ Log In for price!

In Stock
Single Over-Ear Headphone
Williams Sound EAR-008 Single Over-Ear Headphone
Wide-range earphone. Hangs on outside of ear. Excellent Sound quality. 1m cord. Recommended for FM Receivers, Select IR Receivers, and Pocketalker. For mild to moderate hearing loss.

Usually ships in 7-14 business days.
Deluxe Folding Headphone
Williams Sound HED-021 Deluxe Folding Headphone
Comfortable dual headphones have an adjustable headband. Foam cushions can be washed or replaced. 3.5mm plug, 1m cord. Recommended for FM Receivers, Select IR Receivers, and Pocketalker. For mild to moderate hearing loss.
1.5v AA Battery Alkaline
Williams Sound BAT-001 1.5v AA Battery Alkaline
1.5 Volt AA disposable alkaline battery.

In Stock
Sold in multiples of 2
Antenna 75ohm Coax 22Ft
Williams Sound ANT-005 Antenna 75ohm Coax 22Ft
Extends 22’. This optional antenna can be used with any Personal PA system or large-area FM transmitter. The 50´ Antenna Extension Cable (WCA 008 50) can also be used. Provides maximum system range.

Usually ships in 7-14 business days.
Need it sooner? Call us!
Headset, Heavy Duty Folding
Williams Sound HED-027 Headset, Heavy Duty Folding
Ultimate heavy duty folding headphones.

Usually ships in 7-14 business days.
Need it sooner? Call us!
Dual Mini Earphones (Ear Buds)
Williams Sound EAR-014 Dual Mini Earphones (Ear Buds)
Williams Sound's EAR-014 is a dual-ear mini earbud for use with personal assistive listening devices. It features an angled 1/8" mini plug and foam earpads. 

Usually ships in 7-14 business days.
Antenna,Telescoping Whip
Williams Sound ANT-025 Antenna,Telescoping Whip
Telescoping whip antenna for the PPA T35 transmitter.

Usually ships in 7-14 business days.
Need it sooner? Call us!

Williams Sound PPA 457 NET PRO
Personal PA Pro FM Assistive Listening System

OUR PART #  PPA-457-NET-PRO

Product Information:

The Williams Sound PPA 457 NET PRO is a personal PA pro FM assistive listening system that features the cutting-edge PPA T45NET transmitter, with control/monitoring capability from any remote location, multiple digital audio input options, and an OLED display with easy-to-manage menu navigation. It 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 NET PRO 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. Includes a coaxial cable and rack panel kit for professional installation. 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.

Williams Sound PPA 457 NET PRO Includes:

  • (1) PPA T45NET 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, 3ft.
  • (4) BAT 001-2 AA Alkaline Batteries
  • (1) IDP 008 Wall Plaque
  • (1) ANT 005 Coaxial Antenna
  • (1) RPK 005 Rack Panel Kit

Williams Sound PPA 457 NET PRO Features:

  • PPA T45NET 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

Williams Sound PPA 457 NET PRO Specifications:

  • PPA T45NET Transmitter
    • Dimensions: 8.45" W x 8.25" D x 1.72"H (21.5 cm x 21 cm x 4.4 cm)
    • Weight: Transmitter: 3.0 lbs (1.36 kg)
    • Color: Black/Silver with black legends on the front, white legends on the back
    • Rack Mount: Standard 19" Rack, one EIA rack space high, 1/2 space wide
  • PPA R37 Receivers
    • 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:
      • (2) AA non-rechargeable alkaline batteries (BAT 001), approx. 50 hrs
      • (2) AA rechargeable NiMH batteries (BAT 026), 1500 mAh, approx. 32 hrs
    • Temperature Range: – 0 to 50C
    • Channels: 17, accessed via seek button in battery compartment
    • Earphone: Earbud-type with foam cushion, 3.5 mm plug, 32 Ohms
  • EAR 013 Single Mini Earbuds
    • Plug: 3.5 mm mono
    • Cord length: 39 inches
    • Impedance: 32 Ohms
    • Frequency Range: 20 - 20 kHz
    • Driver size: 13 mm
    • Weight: 9 g
  • ANT 025 Whip Antenna
    • Used with: PPA T45, PPA T45NET, PPA T27 Transmitters
    • Connector type: Screw to PCB
    • Length: 39"
  • TFP 048 Power Supply
    • Input: 100-240 VAC, 50/60 Hz, 0.5 A
    • Output: 24 VDC, 0.75 A
    • 0.3 lbs
  • WCA 013 RCA Audio Cable
    • Description: Single RCA - RCA audio cable
    • Cable type: Two-conductor
    • Length: 3 ft
  • IDP 008 Wall Plaque
    • 10-3/8" (L) x 6-1/4" (W) x 1/8" (H)
  • ANT 005 Coaxial Antenna
    • Use with: PPA T45,PPA T45NET, PPA T27 Transmitters
    • Connector type: F-connector
    • Cable type: RG 59 coax
    • Nominal impedance: 75 Ohm
    • Total cable length: 22 ft
    • Active Antenna Length: 80 in
3V 12 Unit Charger for R35
Williams Sound CHG3512 3V 12 Unit Charger for R35
The Williams Sound CHG3512 charges over the course of a four hour time span.  It helps keep your receivers organized and saves cost on having to replace alkaline batteries.  Features individual charging LED indicators.  LEDs ...
Rack Kit, Dual
Williams Sound RPK-006 Rack Kit, Dual
Dual rack mount kit for half-rack space products.
Single Rack Mount Kit for 1/2 Space Units
Williams Sound RPK-005 Single Rack Mount Kit for 1/2 Space Units
Single Rack Mount Kit for 1/2 Space Williams Sound Units.
Neckloop Coupler, 18.5" Cord, 3.5mm Plug
Williams Sound NKL-001 Neckloop Coupler, 18.5" Cord, 3.5mm Plug
The neckloop is designed to magnetically couple the audio output from a Williams Sound unit into a hearing aid equipped with a telephone coil.  It will also work with tape players, TVs, and any device which has an 8-16 Ohm audio ...
Headphone,Behind the Ear
Williams Sound HED-026 Headphone,Behind the Ear
The stylish HED 026 rear-wear headphone offers excellent sound quality; it rests comfortably over the ears and wraps around the back of the head for a less obtrusive, relaxed fit.
Mini Earphone
Williams Sound Ear 013T Mini Earphone
Single Mini Earphone with Flexible Eartip
Mini Earphone, Single
Williams Sound EAR-013 Mini Earphone, Single
Single Mini Earbud. Fits in the outer part of the ear. 1m Cord. Foam cushions are washable and replaceable. Recommended for FM Receivers, Select IR Recievers, and Pocketalker. For mild to moderate hearing loss.
Wide Range Earphone
Williams Sound EAR 022 Wide Range Earphone
Surround Earphone. Hangs on outside of ear. Excellent sound quality. 32 O, mono. Hearing loss rating: mild and low gain. 0.04 lbs.

5.0 / 5

★★★★★ Log In for price!

In Stock
Single Over-Ear Headphone
Williams Sound EAR-008 Single Over-Ear Headphone
Wide-range earphone. Hangs on outside of ear. Excellent Sound quality. 1m cord. Recommended for FM Receivers, Select IR Receivers, and Pocketalker. For mild to moderate hearing loss.

Usually ships in 7-14 business days.
Deluxe Folding Headphone
Williams Sound HED-021 Deluxe Folding Headphone
Comfortable dual headphones have an adjustable headband. Foam cushions can be washed or replaced. 3.5mm plug, 1m cord. Recommended for FM Receivers, Select IR Receivers, and Pocketalker. For mild to moderate hearing loss.
1.5v AA Battery Alkaline
Williams Sound BAT-001 1.5v AA Battery Alkaline
1.5 Volt AA disposable alkaline battery.

In Stock
Sold in multiples of 2
Antenna 75ohm Coax 22Ft
Williams Sound ANT-005 Antenna 75ohm Coax 22Ft
Extends 22’. This optional antenna can be used with any Personal PA system or large-area FM transmitter. The 50´ Antenna Extension Cable (WCA 008 50) can also be used. Provides maximum system range.

Usually ships in 7-14 business days.
Need it sooner? Call us!
Headset, Heavy Duty Folding
Williams Sound HED-027 Headset, Heavy Duty Folding
Ultimate heavy duty folding headphones.

Usually ships in 7-14 business days.
Need it sooner? Call us!
Dual Mini Earphones (Ear Buds)
Williams Sound EAR-014 Dual Mini Earphones (Ear Buds)
Williams Sound's EAR-014 is a dual-ear mini earbud for use with personal assistive listening devices. It features an angled 1/8" mini plug and foam earpads. 

Usually ships in 7-14 business days.
Antenna,Telescoping Whip
Williams Sound ANT-025 Antenna,Telescoping Whip
Telescoping whip antenna for the PPA T35 transmitter.

Usually ships in 7-14 business days.
Need it sooner? Call us!
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