- Description
Details
Williams AV IR SY11 IR Plus Complete Infrared Assistive Listening System
The IR SY11 IR+ complete infrared assistive listening system is a fully integrated, professional-grade solution designed for large venues requiring reliable, ADA-compliant audio distribution. Built around the IR M1 rack-mounted modulator, this system delivers clear and consistent infrared audio transmission, supported by dual IR E4 wall-mounted emitters for wide-area coverage and optimal signal performance. It is engineered for seamless installation in theaters, houses of worship, conference centers, and other public spaces where assistive listening is essential.
This complete system includes four WIR RX22-4 infrared receivers with lanyards, four HED 021 performance headphones, and two NKL 001 neckloop attachments for hearing aid compatibility and ADA compliance. Power and convenience are supported through a CHG 3502 two-bay drop-in charger and rechargeable NiMH battery system, ensuring continuous operation and easy device management for users. The included MLB 003 linking bar and BKT 024 wall mounts provide secure and flexible emitter installation options.
Designed for turnkey deployment, the IR SY11 system also includes IDP 008 ADA signage to meet accessibility requirements in public environments. With its combination of robust hardware, scalable design, and user-friendly operation, this system delivers a complete infrared assistive listening solution that meets the demands of modern professional AV installations while ensuring clear, intelligible audio for all users.
- Features
Features
- Complete infrared assistive listening system for large venues
- IR M1 rack-mounted modulator for centralized signal processing
- Dual IR E4 wall-mounted emitters for wide-area coverage
- 4 WIR RX22-4 IR receivers with lanyards
- 4 performance headphones included for flexible user options
- 2 NKL 001 neckloops for hearing aid compatibility (ADA compliant)
- 2-bay drop-in charger for efficient battery management
- Rechargeable NiMH battery system included
- MLB 003 linking bar and BKT 024 wall mounts included
- IDP 008 ADA signage for accessibility compliance
- Designed for professional AV and assistive listening installations
- Specification
IR M1 Modulator Power Supply 110-240 VAC input, +48 VDC output (international desktop supply) Power Consumption 36W Audio Inputs 2x XLR/TRS combo (mic/line, balanced/unbalanced, phantom power selectable) Frequency Response 40 Hz - 16 kHz (+1 dB, -3 dB) Signal-to-Noise Ratio 67 dB (typical) Dimensions (H x W x D) 1.75" (44.45 mm) x 19" (483 mm) x 8.2" (208 mm) Weight 5.2 lbs (2.4 kg) IR E4 Emitter Power 48 VDC supplied by IR M1 via CAT 5e cable Coverage Area Up to 18,000 (1670 m) square feet in single channel mode Connectivity +48 VDC Power, RS-485 communication, and Baseband signals for IR transmission are all provided via a single CAT5e cable inserted into an RJ-45 jack from the IR M1 Operating Requirements 0-50ºC ambient temperature, non-condensing, non-corrosive atmosphere Dimensions (H x W x D) 1.4" (35.56 mm) x 7.5" (190.5 mm) x 3.6" (91.44 mm) Weight 0.8 lbs (0.36 kg) WIR RX22 Battery Type 2 x AA, alkaline (BAT 001-2) or NiMH (BAT 026-2) Battery Drain 25 mA, nominal Frequency Response 25 Hz to 16 KHz, +1 dB, -3 dB, electrical response Total Harmonic Distortion Less than 1%, electrical response Controls ON/OFF/VOLUME: combination thumbwheel knob
Channel Selector: four-position rotary switchDimensions (H x W x L) 1.2" (30.4 mm) x 3.86" (72.4 mm) x 4.1" (104.1 mm) Weight 0.28 lbs (0.13 kg) CHG 3502 Power Supply Input: 100-240 VAC, 50-60 Hz, 0.5-0.3A
Output: 6 VDC, 1.5ACharging Time 16 hours nominal Charger Power Input: 6 VDC, 300 mA, Center Positive
Output: 100mA per bayDimensions (H x W x L) 2" (50.8 mm) x 2.85" (72.39 mm) x 4.88" (123.95 mm) Shipping Weight 1.1 lbs (0.5 kg) - Documents
- System Includes
System Includes
- (1) IR M1 Rack Mounter Modulator
- (2) IR E4 Wall-Mounted IR Emitters
- (4) WIR RX22-4N Bodypack IR Receivers
- (4) HED 021 Performance Headphones
- (2) NKL 001 Neckloops
- (2) CHG 3502 2-Bay Drop-In Chargers
- (4) BAT 026-2 Rechargeable NiCad AA Batteries (Pair)
- (1) MLB 003 Linking Bar for Dual Emitters
- (2) BKT 024 Wall-Mount for Dual Emitters
- (1) IDP 008 ADA Signage
- Reviews
Write Your Own Review
System Components
-
Williams Sound HED 021 Folding Mono Headphones
List $30.00Pro Acoustics Price $25.28Savings $4.72 (16%) -
Williams AV MLB 003 2.5" Metal Linking Bar for Connecting IR E4 Emitters
List $27.99Pro Acoustics Price $27.00 -
-
-
Williams AV BKT 024 Omnidirectional Wall or Ceiling IR Mounting Bracket for IR E4, T2 and T3 Transmitters
List $63.99Pro Acoustics Price $63.00 -
Williams Sound NKL 001 18" Neckloop with Mono Plug
List $78.00Pro Acoustics Price $64.95Savings $13.05 (17%) -
-
Williams Sound BAT 026-2 Two AA NiMH Rechargeable Batteries
List $24.00Pro Acoustics Price $20.74Savings $3.26 (14%) -
-
Williams AV CHG 3502 2-Bay Body-Pack Charger
List $100.00Pro Acoustics Price $83.30Savings $16.70 (17%)





