IRS-811 Infrared Sensor
A ceiling-mounted infrared sensor with 24 wide-angle receiver diodes and 360-degree coverage. It extends infrared microphone reception across large rooms and connects over CAT5e cable at distances up to 100 metres.
- 24 ultra-wide-angle infrared receiver diodes.
- 360-degree coverage with a 26 m unobstructed reception radius.
- 850 nm infrared wavelength.
Overview
Key features
- 24 ultra-wide-angle infrared receiver diodes.
- 360-degree coverage with a 26 m unobstructed reception radius.
- 850 nm infrared wavelength.
- CAT5e connection up to 100 metres from the receiver.
- 110 mm diameter, 48 mm high ceiling-mounted housing.
- Expands coverage in large classrooms, lecture halls and auditoria.
The IRS-811 is a ceiling-mounted infrared sensor with 24 wide-angle receiver diodes and 360-degree coverage. It extends infrared microphone reception across large rooms and connects over CAT5e cable at distances up to 100 metres.
Combine it with Seekika infrared microphones and receivers where a single receiver cannot cover the whole room. Contact Seekika Audio for sensor layout and cabling advice.
What’s in the box
- IRS-811 sensor
- Mounting hardware
- User guide
Specifications
Audio & wireless
| Cable type | CAT5e |
|---|---|
| Infrared wavelength | 850 nm |
Coverage & installation
| Cable length | 100 Meters |
|---|---|
| Reception radius | 26m(Unobstructed Distance) |
| Coverage angle | 360° |
Physical
| Dimensions | (Φ)110 mm × (H)48 mm |
|---|
Compatibility & included
| IR receiver diode | 24 × Ultra-Wide-Angle IR Receiver Diode |
|---|
Applications
Planning a classroom or campus project?
Share your floor plan and room schedule — we will recommend microphone coverage, speaker placement and kit configuration.
Frequently Asked Questions
Which rooms is the IRS-811 designed for?
The IRS-811 is typically installed in large classroom, auditorium, lecture hall, campus. Room size, ceiling height and speaker layout determine the final configuration — send us a floor plan and our team will recommend a layout.
What certifications and warranty are available for the IRS-811?
Seekika Audio supplies CE, RoHS and FCC compliance documentation for its classroom audio products. Classroom audio products carry a standard 2-year warranty against manufacturing defects, with extended coverage available on project orders.
- OEM / ODM customization
- CE, RoHS & FCC documentation
- System layout and commissioning support
- Reply within one business day
