Williams AV IR SY11 IR+ Complete Infrared Assistive Listening System with IR M1 Modulator, Two IR E4 Emitters and 4 Receivers
Usually arrives in 5-9 business days.
The IR SY23 D IR+ large-area infrared assistive listening system with Dante is a commercial-grade solution designed to deliver secure and intelligible audio across large spaces. Using infrared transmission, it keeps audio contained within the room, making it ideal for environments where privacy and clarity are essential.
The system features the IR M1 D infrared modulator with Dante input and built-in Wi-Fi capability, enabling seamless integration with modern networked audio systems. Two IR E4 emitters combined with an IR A4 array provide reliable, wide-area coverage for consistent audio distribution throughout the space.
This complete package includes five IR RX20 stethoset receivers, a CHG 520 charger, and an ADA wall plaque for compliance. Designed for ease of installation and dependable performance, the IR SY23 D is ideal for theaters, auditoriums, courtrooms, and houses of worship requiring large-area assistive listening solutions.
| IR M1 D 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) |
| Dante Support | Integrated Dante audio networking |
| 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) |
| IR A4 | |
| Power | 48 VDC, 0.75A |
| Connectivity | +48 VDC Power, RS-485 communication, and Baseband signals for IR transmission are all provided via CAT5e cable(s) inserted into an RJ-45 jack from the IR M1 and out to the IR E4(s) |
| Heat Dissipation | 1W |
| Max Cable Length | 328 feet (100 m) |
| Plenum Rating | Not rated for use in plenum spaces and will need to be installed in a plenum box for use in such areas |
| Dimensions (H x W x D) | 1.1" (28 mm) x 7.6" (193 mm) x 6.6" (168 mm) |
| Weight | 2.4 lbs (1.09 kg) |
| IR RX20 | |
| Battery Type | LiPo |
| Battery Life | 8 hours |
| Frequency Response | 100 Hz to 12 kHz, ± 3 dB |
| Operating Frequency | 2.3 MHz or 2.8 MHz or stereo |
| Controls | Volume control thumbwheel; 3-position selection switch (2.3 MHz, 2.8 MHz, stereo), Off/on slider for power |
| Headphone Jack | 3.5 mm stereo |
| Weight | 0.1 lbs (0.05 kg) |
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.
Model #:
Usually arrives in 5-9 business days.