IRM Multi Propose IR system

JADE IRM IR System

A 4-channel infrared audio system for assistive listening, language interpretation and private listening. The system supports a choice of headphones, headset earphones and portable belt-pack receivers.

The modulator includes a dedicated input for evacuation or announcement audio, allowing announcements to be heard through the listening system.

General Applications

• Public Facilities | Assistive listening for venues providing hearing assistance under applicable accessibility requirements.
• Language Interpretation | Up to 4 languages, with headphones, earphones connected to a belt-pack receiver, or headsets.
• Residential Use | Private listening to 2 stereo or 4 mono sources, for hearing assistance or everyday listening at home.

Typical Applications

• Auditoriums.
• Convention centers.
• Parliament chambers.
• Courtrooms.
• Boardrooms.
• Classrooms.
• Theaters.
• Cinema.

System Specifications

System Channels

• A Channel | Left: 2.3MHz; Right: 2.8MHz.
• B Channel | Left: 3.2MHz; Right: 3.8MHz.
• Mono | 2.3MHz.

IRM-2 / IRM-2 PRO IR Modulator

• Modulation Mode | FM.
• Frequency Synthesis | Digital PLL.
• Frequencies | 2.3, 2.8, 3.2 and 3.8MHz.
• Frequency Response | 20Hz–18kHz.
• Frequency Stability | 10ppm.
• Pre-emphasis | 75 Sec.
• Peak Deviation | 75kHz; Normal: ±50kHz.
• Distortion at 1kHz | <0.02%.
• Channel Separation | >72dB.
• RF Output Power Level | 840mV; BNC / 2 × BNC in parallel.
• RF Output Impedance | 50–75 ohm.
• Input Impedance | 600 / 18k ohm; XLR-COMBI / RCA.
• Input Sensitivity | 40mV–6V.
• AGC Range | 36dB.
• S/N Ratio | >75dBA_rms.
• Power Consumption | 12W.
• Power Requirement | 18VDC (COM) / 24–30VDC (PRO).
• Mounting | 1/2 or 19" rack-mountable case.
• Dimensions | 210 × 163 × 45.
• Weight | 0.78kg.

IRM-12 IR Radiator

• Frequency Band | 2.0–6.0MHz.
• IR Output Power | 36W.
• Coverage Range | Up to 40 meters.
• Angle of Half Intensity | 30.
• RF Impedance | 50–75 ohm.
• RF Input Voltage | 100–2000mV.
• Power Consumption | 54W.
• Power Supply | 100–240VAC, 50/60Hz.
• Operating Temperature | 0–40°C.
• Cable | 75 coax, BNC connectors.
• Dimensions | 220 × 185 × 63mm.
• Weight | 1.91kg.

IRM-DCH8 / DCH9 Dual-Channel IR Headphones

• A Channel | Left: 2.3MHz; Right: 2.8MHz.
• B Channel | Left: 3.2MHz; Right: 3.8MHz.
• Speaker | 40mm Mylar, 32 ohm.
• Operating Distance | Up to 10m.
• Frequency Response | 20Hz–18kHz.
• S/N Ratio | >68dB.
• Channel Separation | >54dB.
• Distortion | <0.8%.
• Power Supply | 2 × AAA batteries.
• Wired Audio Input | 3.5mm jack.

IRM-HS Headset Earphones

• Modulation | Infrared, mono/MIC.
• Carrier Frequency | 2.3MHz default.
• Range | >12m indoors.
• Frequency Response | 20Hz–20kHz.
• THD at 1kHz | <0.4%.
• Signal-to-Noise Ratio | 70dB.
• Max. SPL | 125dB.
• Battery Type | Rechargeable, replaceable Li-ion battery.
• Battery Charge Time | 3–4 hours.
• Operating Time | Up to 18 hours.
• Receiver Weight | 50g.
• Dual Base Weight | 95g.

IRM-BP IR Receiver

• Audio Channels | 4.
• Modulation Mode | FM.
• Frequency Synthesis | Digital PLL.
• Frequency Response | 80Hz–15kHz.
• De-emphasis | 75 Sec.
• Peak Deviation | 7.5kHz.
• Distortion at 1kHz | <0.8%.
• S/N Ratio | >57dB.
• Channel Separation | >60dBA.
• Frequency Stability | 10ppm.
• Operating Voltage | 3.7V.
• Power Consumption | 54mW.
• Headphone Output | 3.5mm jack.
• Battery | Rechargeable Li-ion battery pack included.

IRM-CC Charging Case

• Capacity | Up to 20 receivers with Li-ion battery packs.
• Charging Voltage | DC 5V.
• Charging Time | Approximately 10 hours to fully recharge 20 receivers.
• Power Input | AC 100–240V, 50/60Hz.
• Power Output | DC 5V, 8A.
• Dimensions | 590 × 300 × 180mm.

IRM-DE Earphone

• Type | Single clip-on mono earphone.
• Connector | 3.5mm mini plug.
• Impedance | 40 ohm.
• Sensitivity | 102dB.
• Frequency Response | 12Hz–20kHz.
• Input Power | 60mW.
• Cord Length | 120cm.