IRRX - IR Assistive Listening Receiver
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IRRX - IR Assistive Listening Receiver
IRRX - IR Assistive Listening Receiver
IRRX - IR Assistive Listening Receiver
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List Price £148.98 incl. VAT

IR Assistive Listening Receiver

List Price
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Product Description

Using high frequency modulation at 2.3MHz the Infra~Hear products are immune to interference from energy saving lighting and plasma displays.

The receiver is battery powered from standard AAA batteries with a life of over 30 hours between charges, saving the expense of custom battery packs and chargers.

The volume control has a positive snap and enables users with limited mobility to use the system.

Due to its compact design the unit can be discreetly worn, suspended by the integral neck loop, even when using the external headphone socket.

The ability to add external headphones allows the receivers to be used by non hearing aid wearers in museum tour guide systems or for secondary language translation systems, or simply to test operation of the receiver without stocking two receiver types.

Infra red light will not pass through walls ensuring security in sensitive locations such as courts and council chambers.

Specification Sheet


  • 30 Hours life from two AAA batteries
  • High frequency modulation, free from lighting interference
  • Inbuilt neck loop complies with EN60118-4
  • External headphone connector for non hearing aid wearers
  • Ergonomic case design
  • Works with standard NiMH recargeable
  • Ideal for museum and tour systems
Description IRRX
Modulation Wideband FM
Nominal deviation ±50 kHz
Carrier frequency 2.3 MHz
Audio output power 40mW
Loop Field 400mAM-1
Frequency response 30-18,000 Hz
THD (1 kHz, nom. dev.) less than 1%
Audio signal-to-noise ratio >60 dB(A) rms
Headphone output 3.5mm mono jack
Headphone impedance Minimum 16 Ω
IR diodes 2 at 875nm
Reception angle 120°
Receiving power Minimum 1mW
Operating voltage 2.3-3.3 V DC
Batteries 2 x AAA
Current consumption Approx. 30 mA
Dimensions 110(W) x 39(H) x 28(D) mm
Loop 400 mm diameter
Weight (Net) 0.07kg
Weight (Gross) 0.09kg

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