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SoundPlus IR T2 Based Mid-range Infrared Systems
for Educational Institutions, Courtrooms, City and Government Facilities

SoundPlus® Infrared Systems ensure direct, clear delivery of your message without sacrificing security. Complete, turnkey solutions for hearing assistance, simultaneous language interpretation, audio description or private listening applications. The cornerstone IR T2 infrared transmitter can cover up to 18,000 sq. ft. in single-channel mode with the RX22-4 receiver.


Williams Sound Packages, Parts and Accessories

SoundPlus Accessories and Replacement Parts

Infrared +

Free shipping Continental US for orders over $50

For RFQ call 888.736.6005 or email rfq.centrumsound.com

Williams Sound IR T2 transmitter, front and rear view
Click for rear panel view



IR T2   Four-Channel Infrared transmitter (2.3, 2.8, 3.3, 3.8 MHz)
Includes (1) BKT 024 ceiling/wall mounting bracket and (1) TFP power supply
Qty: Price: $539

IR T2 INFRARED TRANSMITTER POE WIRING KIT1

POE KT1 IR T2 Infrared transmitter POE wiring kit
Use with IR T2 supplied TFP 057 power supply. Download wiring guide.
Qty: Price: $31.00

IR T2 INFRARED TRANSMITTER POE WIRING KIT2

POE KT2 IR T2 Infrared transmitter POE wiring kit
Use with POE 001 or third party supplied POE Switch. Download wiring guide.
Qty: Price: $31.00

POE 001 Power-over-ethernet injector

POE 001 Power-over-ethernet injector (includes WLC 004 line cord)
Qty: Price: $63.00

STD 007 Table-top Tripod

STD 007 Table-top Tripod
Qty: Price: $48

BKT 024 Wall/Ceiling Mount

BKT 024 BKT 024 Wall/Ceiling Mount
Qty: Price: $45

Williams Sound 4-channel IR receiver

WIR RX22-4N Four-channel IR receiver with RCS 004 lanyard (2.3/2.8/3.3/3.8 MHz)
Earphones and batteries sold separately.
Qty: Price: $165

Lanyard for PPA transmitters and receivers

RCS 004 Lanyard for RX22 receivers
Qty: Price: $5.40

Williams Sound stetho-style IR receiver

WIR RX18 Stetho-style IR receiver (2.3 or 2.8 MHz or stereo) 
Includes (1) BAT AP11A rechargeable NiMH battery. CHG 518 charger required
Qty: Price: $143.10

Rechargeable NiMH Battery for WIR RX-18

BAT AP11A Rechargeable NiMH Battery for WIR RX-18 infrared receiver. Replaces the BAT AP07D.
Qty: Price: $24.50

Replacement Eartips for WIR RX18, RX 240

EAR 240 Replacement Eartips for WIR RX18, RX 240
Qty: Price: $4

William Sound 5-bay charger for WIR RX18 receiver

CHG 518 Five-bay drop in charger for WIR RX18
Qty: Price: $435

Williams Sound ADA compliant wall plaque

IDP 008 ADA Compliant Wall Plaque
Qty: Price: $17

Microphones +


Free shipping Continental US for orders over $50



MIC 100 Headset microphone

MIC 100 Headset microphone with 3.5 mm plug.
Qty: Price: $122

MIC 094 Headset microphone with XLR plug

MIC 094 Headset microphone with XLR plug (use with PPA T35 and PPA T45)
Qty: Price: $145

MIC 020 Ultra Light  Headset microphone

MIC 020 UltraLite Microphone with 3.5 mm plug.
Qty: Price: $136

MIC 054 Directional lapel microphone

MIC 054 Directional Lapel Microphone with 3.5 mm plug.
Qty: Price: $81

MIC 090 Omni-directional lapel microphone

MIC 090 Omnidirectional Lapel Microphone with 3.5 mm plug.
Qty: Price: $81

Williams Sound MIC 049 conference microphone

MIC 049 Conference Microphone with 3.5 mm plug.
Qty: Price: $136

MIC 014 Plug mount microphone

MIC 014-R Plug mount microphone with 3.5 mm plug.
Qty: Price: $41

MIC 014 Plug mount microphone

MIC 027 Handheld shotgun microphone with 3.5 mm plug.
Qty: Price: $114

Wind screen for MIC 100 Headset microphone

WND 009 Wind Screen for MIC 100, MIC 094 and MIC 096 headset microphones.
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: $17

Williams Soun HED 026 Rear-Wear Headphone

HED 026 Rear-Wear Headphone
Qty: Price: $21

Heavy-Duty Headphone

HED 027 Heavy-Duty Folding Headphone
Qty: Price: $21

25 dB Isolation Headphone

EX25 Plus Extreme Isolation Headphone - 25 dB NRR   Click for Specifications
Qty: Price: 110   Third party vendor - Made in USA

Extreme Isolation Headphone

EX29 PLUS Extreme Isolation Headphone - 29 dB NRR   Click for Specifications
Qty: Price: $140   Third party vendor - Made in USA

Williams Sound HED 042 Hard-hat Hearing Protector Headphone

HED 042 Hard-hat Hearing Protector Headphone - 24 dB NRR
Qty: Price: $279

Williams Sound HED 040 Hearing Protector Headphone

HED 040 Hearing Protector Headphone - 24 dB NRR
Qty: Price: $210

Hearing Protector Headphone

HED 008 Hearing Protector Headphone - 20 dB NRR
Qty: Price: $50 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: $17

Binaural Earbud

EAR 014 Binaural Earbud w/3.5 mm mono plug
Qty: Price: $20

Surround Earphone

EAR 022 Surround Earphone (cleans with alcohol wipes)
Qty: Price: $17

Williams Sound EAR 041 single isolation earphone

EAR 041 Single Isolation Earphone w/3.5 m mono plug
Qty: Price: $22

Williams Sound EAR 042 dual isolation earphones

EAR 042 Dual Isolation Earphones w/3.5 mm stereo plug
Qty: Price: $25

Williams Sound EAR 008 wide range earphone

EAR 008 Wide Range Swivel Earphone
Qty: Price: $17

Williams Sound NKL 001 NeckloopWilliams Sound Neckloop

NKL 001 Neckloop. Induction interface for T-coil hearing aids.   Get User Guide.
Qty: Price: $54

Williams Sound ADA compliant wall plaque

IDP 008 ADA Compliant Wall Plaque
Qty: Price: $17

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: $6

Replacement earpads

EAR 015-100 Replacement Ear Pads for EAR 013/014 (100-pack)
Qty: Price: $55

Replacement earpads

EAR 043 Replacement Ear Tips for EAR 041/042 (pair)
Qty: Price: $3.40

Replacement ear pad for EAR 008 wide range earphone

EAR 010 Replacement Ear Pad for EAR 008
Qty: Price: $1.50

Replacement earpads

HED 023 Replacement Ear Pads for HED 021/026 (One pair)
Qty: Price: $3

Replacement earpads

HED 023-100 Replacement Ear Pads for HED 021/026, 100-pack (50 pairs)
Qty: Price: $85

Replacement earpads

EAR 035 Replacement Ear Pads for HED 027 (One pair)
Qty: Price: $3.20

Sanitary replacement earpads

EAR 045-100BK Sanitary headphone covers, black - fits HED 021/026/027, 100-pack
Qty: Price: $67

Sanitary replacement earpads

EAR 045-100 Sanitary headphone covers, white - fits HED 021/026/027, 100-pack
Qty: Price: $67

Sanitary replacement earpads

EAR 055-100 Sanitary headphone covers, black - fits HED 008, MIC 057/058/068, RX15-2 100-pack
Qty: Price: $70

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: $4.40

Rechargeable AA Battery, NiMH

BAT 026-2 AA size rechargeable battery, NiMH 1500 mAh (2-pack)
Qty: Price: $13

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

CHG 3512 12-Bay Drop-in Charger
Qty: Price: $550

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

CHG 3512-PRO 12-Bay Drop-in charger with carry case
Qty: Price: $675

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: $89.50

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

CHG 3502 2-Bay drop-in charger
Qty: Price: $72

Carry Cases


Free shipping Continental US for orders over $50



Mini carry case

CCS 029 Mini carry case (12x10x5 in.)
Qty: Price: $123

Customizable carry case

CCS 056 Carry case, no foam insert
Qty: Price: $229

15-Slot carry case

CCS 056 S Carry Case with 15 slot foam insert for body-pack transmitters and receivers.
Qty: Price: $264

26-Slot carry case

CCS 056 26 Carry Case with 26 slot foam insert for body-pack transmitters and receivers.
Qty: Price: $264

35-Slot  carry case

CCS 056 35 Carry Case with 35 slot foam insert for body-pack transmitters and receivers
Qty: Price: $264

Unit heavy-duty carry case w/plug foam

CCS 042 Heavy duty carry case with plug foam
Qty: Price: $349

Personal FM carry case

CCS 043 Carry case for personal FM system
Qty: Price: $54

120 slot heavy-duty DLT carry case120 Slot heavy-duty 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: $815

60 Slot Unit heavy-duty DLT carry case60 Slot heavy-duty 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: $815

For RFQ call 888.736.6005 or email rfq.centrumsound.com


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