Centrum Sound HomeTel 408.736.6500 PSTCentrum Sound HomeAbout Ussales@centrumsound.comSearch Centrum Sound's websiteView shopping cart




PPA 457 - 458 NET PRO Hearing Assistance Systems
for Educational Institutions, Public Facilities, Houses of Worship, Parks & Recreation

This PPA 457 and 458 Pro wireless assistive listening systems from Williams Sound are designed to discretely deliver audio to listeners in public and private venues such as churches, theaters, classrooms and stadiums. The PPA PRO 458 with multi-channel receivers is ideal for facilities that also requires simultaneous language translation and/or audio description.

Williams Sound PPA 457-458 NET PRO Packages

  • PPA 457
    Single-channel
    receivers
  • PPA 457 PRO
    with
    Rack panel kit
  • PPA 458
    Multi-channel
    receivers
  • PPA 458 PRO
    with
    Rack panel kit
  • Options
    Headphones
    Rack gear
  • A La Carte
    Build our
    own system
  • All About PPA 457/8
    Technical Data
    & User Manuals

  PPA 457 Single-channel FM System includes:
PPA 457 NET Large area hearing assistance system

(1) PPA T45 Transmitter
(4) PPA R37 Single-channel Receivers
(2) NKL 001 Neckloops (ADA requirement)
(1) ANT 025 Whip Antenna
(1) WCA 013 Audio Cable
(1) TFP 048 Power Supply
(1) IDP 008 ADA Wall Plaque
(8) BAT 001 AA Alkaline Batteries
(1) User Manual

and choice of headphones or earphones.



For RFQ call 888.736.6005 or email rfq.centrumsound.com




To view available options, click the Options tab above

Note: When selecting an option other than "standard," order may be subject to delay


Select Head/Earphone style: Qty:    Price: $1,186 

PPA 457/8 Accessories and Replacement Parts

Transmitters +

Free shipping Continental US for orders over $50

For RFQ call 888.736.6005 or email rfq.centrumsound.com

PPA T45 base station tranmitter

PPA T45Large Area Base station transmitter with antenna & power supply.
Qty: Price: $834

PPA T45NET base station tranmitter with network control

PPA T45NET Large Area Base station transmitter with network control.
Qty: Price: $1,019

Single rack kit for PPA T45 base station tranmitter

RPK 005 Single Rack Mount Kit for PPA T35 (1 rack space)
Qty: Price: $62

Dual rack kit for PPA T35 base station tranmitter

RPK 006 Dual Rack Mount Kit for two (2) PPA T35 (1 rack space)
Qty: Price: $65

Remote coaxial antenna for T35/T45 transmitter

ANT 005 Remote coaxial antenna, 1,000 ft. transmission range.
Qty: Price: $98

Wall-mount dipole antenna for PPA T35/T6 transmitters

ANT 024 Wall-mount dipole antenna, 1,000 ft. transmission range
Qty: Price: $212

Telescoping antenna for T45 transmitter

ANT 025 Telescoping antenna, 500 ft. transmission range
Qty: Price: $16

MIC 094 Headset microphone with XLR plug

MIC 094 Headset microphone with XLR plug (use with PPA T35 and PPA T45)
Qty: Price: $138

Wind screen for MIC 100 Headset microphone

WND 009Wind Screen for MIC 100/096/086 headset microphones.
Qty: Price: $4.20

PPA Receivers +


Free shipping Continental US for orders over $50



Williams Sound single-channel receiver

PPA R37N SelectTM FM receiver(no accessories included)
Qty: Price: $94

Williams Sound single-channel receiver w/earbud

PPA R37 SelectTM FM receiver with EAR 013 single earbud & AA batteries
Qty: Price: $111

Williams Sound single-channel receiver w/headphone

PPA R37-HD SelectTM FM receiver with HED 021 headphones & AA batteries
Qty: Price: $111

8-channel wideband receiver with rotary channel selector

PPA R37-8N 8-channel receiver w/rotary channel selector (continious rotation)
Qty: Price: $148

PPA R38N Multi-channel receiver transmitter

PPA R38N Digital display multi-channel receiver (17 channels - stereo plug)
Qty: Price: $150

Lanyard for PPA transmitters and receivers

RCS 004 Lanyard for PPA transmitters and receivers (replaces standard belt-clip)
Qty: Price: $5

Headphones +


Free shipping Continental US for orders over $50



Williams Sound HED 021 Deluxe Folding Headphone

HED 021 Deluxe Folding Headphone
Qty: Price: $16

Williams Soun HED 026 Rear-Wear Headphone

HED 026 Rear-Wear Headphone
Qty: Price: $20

Heavy-Duty Headphone

HED 027 Heavy-Duty Folding Headphone
Qty: Price: $20

25 dB Isolation Headphone

EX-25 Extreme Isolation Headphone - 25 dB NRR   Click for Specifications
Qty: Price: 99   Third party vendor - Made in USA

Extreme Isolation Headphone

EX-29 Extreme Isolation Headphone - 29 dB NRR   Click for Specifications
Qty: Price: $129   Third party vendor - Made in USA

Williams Sound HED 040 Hearing Protector Headphone

HED 040 Hearing Protector Headphone - 24 dB NRR
Qty: Price: $202

Hearing Protector Headphone

HED 008 Hearing Protector Headphone - 20 dB NRR
Qty: Price: $90 Limited quantities left - call for availability

Earphones +


Free shipping Continental US for orders over $50



Monaural Earbud

EAR 013 Monaural Earbud w/3.5 mm mono plug
Qty: Price: $16>

Binaural Earbud

EAR 014 Binaural Earbud w/3.5 mm mono plug
Qty: Price: $19

Surround Earphone

EAR 022 Surround Earphone (cleans with alcohol wipes)
Qty: Price: $16

Williams Sound EAR 041 single isolation earphone

EAR 041 Single Isolation Earphone w/3.5 m mono plug
Qty: Price: $20

Williams Sound EAR 042 dual isolation earphones

EAR 042 Dual Isolation Earphones w/3.5 mm stereo plug
Qty: Price: $23

Williams Sound EAR 008 wide range earphone

EAR 008 Wide Range Swivel Earphone
Qty: Price: $16

Williams Sound NKL 001 NeckloopWilliams Sound Neckloop

NKL 001 Neckloop. Induction interface for T-coil hearing aids.   Get User Guide.
Qty: Price: $51

Williams Sound ADA compliant wall plaque

IDP 008 ADA Compliant Wall Plaque
Qty: Price: $16

Replacement Pads


Free shipping Continental US for orders over $50



Replacement earpads

EAR 015-10 Replacement Ear Pads for EAR 013/014 (10-pack)
Qty: Price: $5.50

Replacement earpads

EAR 015-100 Replacement Ear Pads for EAR 013/014 (100-pack)
Qty: Price: $52

Replacement earpads

EAR 043 Replacement Ear Tips for EAR 041/042 (pair)
Qty: Price: $3

Replacement ear pad for EAR 008 wide range earphone

EAR 010 Replacement Ear Pad for EAR 008
Qty: Price: $1.10

Replacement earpads

HED 023 Replacement Ear Pads for HED 021/026 (One pair)
Qty: Price: $2.50

Replacement earpads

HED 023-100 Replacement Ear Pads for HED 021/026, 100-pack (50 pairs)
Qty: Price: $80

Replacement earpads

EAR 035 Replacement Ear Pads for HED 027 (One pair)
Qty: Price: $3

Replacement earpads

HED 015 Replacement Pads for WIR RX14-2 infrared headset receiver (One pair)
Qty: Price: $2.50

Sanitary replacement earpads

EAR 045-100BK Sanitary headphone covers, black - fits HED 021/026/027, 100-pack
Qty: Price: $64

Sanitary replacement earpads

EAR 045-100 Sanitary headphone covers, white - fits HED 021/026/027, 100-pack
Qty: Price: $64

Power +


Free shipping Continental US for orders over $50



1.5 Volt AA Battery, Alkaline

BAT 001-2 AA size Alkaline battery (2-pack)
Qty: Price: $4.20

Rechargeable AA Battery, NiMH

BAT 026-2 AA size rechargeable battery, NiMH 1600 mAh (2-pack)
Qty: Price: $12.50

Williams Sound 12-Bay drop-in charger for PPA Transmitters and receivers

CHG 3512 12-Bay Drop-in Charger
Qty: Price: $524

Two-unit drop-in charger kit for PPA T36 transmitters

CHG 3512 PRO 12-Bay Drop-in charger in carry case
Qty: Price: $646

Williams Sound two-unit drop-in charger kit for PPA transmitters and receivers

BAT KT6 2-Bay drop in charger kit w/ CHG 3502 & (2) AA Bat 026-2 batteries.
Qty: Price: $85

Two-unit drop-in charger kit for PPA T36 transmitters

CHG 3502 2-Bay drop-in charger
Qty: Price: $68

Carry Cases


Free shipping Continental US for orders over $50



Mini carry case

CCS 029 Mini carry case (12x10x5 in.)
Qty: Price: $115

Customizable carry case

CCS 030 Customizable carry case with pluck foam and dividers
Qty: Price: $165

12-Slot  carry case

CCS 030S Carry Case, holds 12 units with accessories
Qty: Price: $190

35-Slot DLT carry case

CCS 030 35 Carry Case, holds any mix of 35 receivers and transmitters
Qty: Price: $195

22-Slot DLT carry case

CCS 036 Carry Case, holds 22 units with EAR XXX style earphones
Qty: Price: $190

Unit heavy-duty carry case w/plug foam

CCS 042 Heavy duty carry case with plug foam
Qty: Price: $295

Personal FM carry case

CCS 043 Carry case for personal FM system
Qty: Price: $45

120 slot heavy-duty DLT carry case120 Slot heavy-duty DLT carry case

CCS 053 Heavy duty carry case with wheels and (2) 60-slot foam inserts. Compatible with all Williams Sound body-pack transmitters and receivers including Digi-Wave with silicon skins or belt-clip cases.
Qty: Price: $799

60 Slot Unit heavy-duty DLT carry case60 Slot heavy-duty DLT carry case

CCS 054 Heavy duty carry case with wheels and and (1) 60-slot foam insert and (1) open-bay foam insert. Compatible with all Williams Sound body-pack transmitters and receivers including Digi-Wave with silicon skins or belt-clip cases.
Qty: Price: $799

For RFQ call 888.736.6005 or email rfq.centrumsound.com


Go to top of page