Hearing augmentation

Small Area Infrared System 2 IRSY2 Williams AV

Product Code: WI-IRSY2

Williams AV
RRP $2,649.00
Unit of Measure


1 Year
Technical Specifications
Brands Williams AV
  • Details
  • Downloads
  • Where to Buy
  • Ordering



Small-area infrared system ideal for use as a small-area assistive listening system or for private TV listening in small conference rooms, hospital rooms, assisted living facilities, medical treatment centers and/or jury deliberation rooms. High-efficiency LEDs display power status and audio input. Power with A/C power supply or standard USB port on a TV. Plug-and-play install with 3.5MM audio input. One- or two-channel operation (2.3 and 2.8 MHz). Provides coverage area of up to 1300 square feet.

system includes
  • (1) IR T1 small-area infrared transmitter
  • (1) TFP 055 power supply
  • (1) WCA 106 USB micro cable, 6 ft. (USB 2.0 to USB micro)
  • (1) WCA 124 adapter cable (3.5mm F to RCA)
  • (2) WIR RX22-4N infrared receivers
  • (1) STD 008 flat-panel TV mounting bracket
  • (2) HED 027 heavy-duty, folding, mono headphones
  • (1) NKL 001 Neckloop
  • (1) CHG 3502 two-bay body-pack charger
  • (2) BAT 026-2 AA NiMH batteries


  • High-efficiency LEDs display power status and audio input
  • Power with A/C power supply or standard USB port on a TV
  • Plug-and-play install with 3.5MM audio input
  • One- or two-channel operation (2.3 and 2.8 MHz)
  • Provides coverage area of up to 1300 square feet


bat 026-2
  • NiMH, 1.2 Volt, 1500 mAh
chg 3502
  • Dimensions: 4-7/8"L x 3-7/8""W x 2"H (12.4 cm L x 9.8 cm W x 5.1 cm)
  • Shipping Weight: 1.1 lbs (0.5 kg)
  • Enclosure: Black, ABS plastic
  • Charger Power:
    • Input: 6 VDC, 300mA, Center Positive.
    • Output: 100mA per bay.
  • Power Supply:
    • Williams Sound TFP 041 (US) or TFP 030 (International).
    • Input: 100-240 VAC, 50-60Hz, 0.5-0.3 A
    • Output: 6 VDC, 1.5 A.
  • Charging Time: 16 hours nominal *
  • Unit Capacity: 2 Units
  • Indicators: 2 Red LEDs - one for each bay. LEDs are lit when charging.
  • Warranty: 90 days
  • Approvals: CE, FCC, RoHS

hed 027
  • Style: Heavy-duty, folding, mono headphones
  • Plug: 3.5mm mono
  • Cord: 39"
  • Driver Size: 40 mm
  • Nominal Impedance: 16Ω
  • Freq. Response: 20 - 20kHz
  • Weight: 102g
  • Max Power Input: 100 mW
  • Sensitivity: 96 dB @ 1kHz
  • Replacement Pads: EAR 035 (one pair)
std 008
  • Weight: 0.6 lb (272 g)
  • Dimensions: 6” W x 4.75” D (15 cm W x 12 cm D)
  • Material: Painted Steel
  • Color: Flat Black
  • Shelf support: Front padded lip rests on TV. Adjustable arm with swivel lock supports rear of shelf.

wca 106
  • 0.05 lbs.
wir rx22-4n architectural and engineering specifications
  • The receiver shall be a body-pack type with IR detector lens behind face of the unit.
  • The unit shall have a lanyard for hands-free operation.
  • The receiver shall have a rotary-type volume control.
  • The receiver shall operate for 60 hours with two AA alkaline batteries and for 30 hours per charge with NiMH AA batteries.
  • The receiver shall be charged without battery removal via charger contacts in the case. A drop-in charger accessory shall recharge the batteries in 16 hours when used with CHG 3512 charger.
  • The receiver shall be housed in an impact resistant plastic case with a hinged battery door that does not separate from the receiver.
  • The receiver shall receive 2.3 MHz, 2.8 MHz, 3.3 MHz or 3.8 MHz modulated IR signals with 50 µS de-emphasis.
  • The receiver shall have a 3.5 mm stereo phone jack and accommodate low-impedance mono or stereo earphones and headphones.
  • The receiver shall accommodate neckloop telecoil couplers.
  • The receiver shall provide 125 dB SSPL90 output with HED 021 headphone and 110 dB SSPL90 with EAR 013 earbud-type earphone.
  • The system electrical frequency response shall be 25 Hz to 16 kHz, +1, -3 dB and the S/N ratio shall be 60 dB.
  • The receiver shall have CE, FCC RoHS and WEEE approval.
  • The receiver shall be covered by a five-year parts and labor warranty, excluding earphones, headphones, batteries and chargers.
  • The receiver shall be the Williams Sound model WIR RX22-4.

wir rx22-4n
  1. Receiver Style: Body-Pack, dual-lens detector, lanyard
  2. Size: 4.1" L x 2.85" W x 1.2" H (104.1 mm x 72.4 mm x 30.4 mm)
  3. Weight: 4.5 oz (127 g) with batteries
  4. Color and Material: Black
  5. Lanyard: 3 ft (0.91 m), allows receiver to be worn around the neck
  6. Operating Temperature: -10° C to +50° C
  7. Battery Type: 2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2)
  8. Battery Life: Alkaline: 60 hours, NiMH: 30 hours/charge
  9. Battery Drain: 25 mA, nominal
  10. Charging Contacts: For use only with CHG 3512
  11. Carrier Frequency:
    1. Channel 1: 2.3 MHz, Channel 2: 2.8 MHz
    2. Channel 3: 3.3 MHz, Channel 4: 3.8 MHz
  12. De-Emphasis: 50 uS
  13. FM Deviation: ±50 kHz
  14. Signal-to-Noise Ratio: 60 dB min.
  15. Squelch: Receiver squelches (mutes) at 28 dB S/N ratio
  16. Frequency Response: 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response
  17. Total Harmonic Distortion: Less than 1%, electrical response
  18. Controls:
    1. ON/OFF/VOLUME: combination thumbwheel knob
    2. Channel Selector: four-position rotary switch
  19. Indicators: Red LED “ON" indicator, flashes to indicate Low battery
  20. Audio Output Jacks: 3.5 mm stereo mini phone jack Accepts 3.5 mm mono or stereo phone plug
  21. Audio Output Power: 15 mW max at 32 Ω
  22. Acoustic Output: 125 dB SSPL90 with HED 021; 110 dB SSPL90 w/ EAR 013
  23. Sensitivity: Better than 1 nW/cm2 for 40 dB signal-to-noise ratio
  24. Approvals: CE, FCC, RoHS, WEEE
  25. Warranty: 5 years on receiver, 90 days on accessories
  26. Compatible Headphones/Earphones: Mono or stereo, 8-32 ohms, 3.5 mm mini phone plug, HED 021, HED 026, EAR 013, EAR 014, EAR 022, NKL 001

Product Documents

No documents available

Ordering from Amber Technology

Logging in

New to Amber Technology?

You can place an order using guest checkout, and we’ll email your order details when we ship.

You can register by following this link. When you register, we will retain your order history and checkout information for future transactions. Registration is quick and free. We’ll never share your registration details outside Amber Technology.

Are you an Amber Technology account customer?

Your user id is the email address that’s recorded for your account. If you don’t know or have forgotten your password, please reset it using this link.

If you need help with any login or site-related issues, please contact us here.


Orders placed though the Amber Technology website are despatched from our Sydney warehouse. Orders placed before 1.00pm Sydney time (for items in stock) will generally be shipped on the same day. 

We ship using Australia Post and Startrack Express. We deliver Australia-wide to residential, business and PO box addresses.

Shipping is free for all orders over $275 including GST (effective 1 March 2018). There is a $22 (including GST) shipping and handling charge for all orders under $275 including GST. 


You can track your shipment through the web sites of our couriers:

Australia Post

Star Track Express 

We will email the tracking number for your shipment shortly after it’s been despatched. If you have any questions regarding shipping, please contact us.


Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

All items purchased from Amber Technology will be covered under warranty. The duration and terms of this warranty are specified by the manufacturer unless otherwise stated. Warranty information is available on the individual product listings on this site.

Refurbished items will include a 12 month warranty unless otherwise stated.

Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us. 

Amber Technology maintains a nation-wide network of carefully selected Authorised Service Agents to ensure that you are never far from convenient, expert technical and service support. If your item develops a problem and requires servicing under warranty, please contact your local Authorised Service Agent.

Stock Availability

The availability of stock is communicated via the indicator of each product listing page. "Available" means that reasonable stock is in our warehouse, ready for immediate shipment. "Limited Stock" means that we have only a small number of items in stock. "Out of Stock" means this item is currently unavailable for immediate shipment - orders placed for ‘Out of Stock’ items will be fulfilled as soon as replacement stock arrives.

"Special Order” items are products that are not generally kept in stock in Australia. Lead times for Special Order items vary depending on country of origin, manufacturer’s stock levels, factory production schedules and/or incoming shipment transit times. Please contact us for an estimate as to the likely lead time.

Refurbished items

If refurbished stock is available, this will be shown on the summary page for the product. If a product listing only allows you to choose refurbished stock, we are not holding new stock and we can no longer obtain new stock.

Refurbished items are always in perfect working order and will include all accessories. Refurbished items are may

  • have a damaged carton
  • have been used for demonstrations
  • have been repaired
  • have minor imperfections that do not impact performance.

Refurbished items include a 12-Month warranty unless otherwise stated.

Technical Support

Please visit the Get Support page to find a service agent, log a service ticket, or ask a technical question about your product.


Please contact us if you have received an item which has been damaged in transit or is otherwise not working correctly when you receive it. Subject to availability, we will arrange for a replacement item to be despatched and for the faulty item to be returned to us.  


  inc GST
RRP $1,349.00
Earphone EAR008 Williams AV WI-EAR008  


  inc GST
RRP $49.01
  inc GST
RRP $49.01
  inc GST
RRP $59.00
  inc GST
RRP $49.01
  inc GST
RRP $69.00
  inc GST
RRP $69.00
  inc GST
RRP $47.00
  inc GST
RRP $49.01
  inc GST
RRP $59.00
  inc GST
RRP $59.00
  inc GST
RRP $49.01
Neckloop NKL001 Williams AV WI-NKL001  


  inc GST
RRP $139.00
  inc GST
RRP $169.00
  inc GST
RRP $149.00
  inc GST
RRP $149.00