Britton Flag Ampetronic Audio Solutions for the UK

Z-LR-5200-IR advanced intelligent DSP IR receiver

Ultrasensitive 4 channel iDSP infrared receiver with programmable OLED display and rechargeable lithium battery. Compatible with neckloops or standard stereo headphones.

The Z-LR-5200 infrared receiver is one of the highest performing IR receiver, providing the best range and pickup for any device of its size. It can be connected with a neck loop/lanyard for people with hearing loss who use a T-coil enabled hearing aid or cochlear implant.

Using green battery technology this IR receiver can significantly improve battery life and reduce the running costs of the device. The IR receiver can be connected to a neck loop/lanyard or ear phones via two 3.5 mm output jacks. A Micro USB is used to connect the devices to a free iDSP software suite to aid with set up, programming, inventory management, firmware updates and charging.

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  • Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
  • May be used with an integrated lanyard which is sold separately. This is a digital signal processing (DSP) loop driver, which improves listening experience for T-coil users
  • Smallest device of its kind making it easy to wear and more discreet
  • Limited Lifetime Warranty with hassle-free support
  • Advanced green battery technology dramatically reduces costs of ownership
  • Use for multi-channel applications where the users need the convenience of changing the channels themselves


  • Theaters
  • Boardrooms
  • Classrooms
  • Cinemas
  • Courtrooms
  • Houses of worship

Standards Compliance

StandardsFCC Part 15, ICS-03, CE, RoHS, WEEE



System Distortion<2% total harmonic distortion (THD) at 80% deviation
Output/sTwo (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
Frequency Response50 Hz - 15 kHz (±3 dB)
System Signal to Noise RatioSQ enabled 80 dB, SQ disabled 60 dB


Set-up ControlsPress and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
User ControlsPower, up/down volume, Listen button for end user channel selection
ProgrammingVia software and USB port


DisplayChannel designation,battery level, unit number, charging status
LEDsFlashes when batteries are low or to indicate charging, solid when fully charged


Sensitivity.6uV typical, 1 uV maximum for 12 dB sinad
Frequency Range72.025 - 75.950 MHz
Number of Channels17 wide band, 40 narrow band
Antenna TypeUses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
Frequency Accuracy± .005% stability 32 to 122 ºF (0 to 50 ºC)
SquelchProgrammable in 20 steps, automatic on loss of RF signal


Power SupplyMicro USB connector, 5 V, 500 mA
Battery Life8 Hours of continuous use
Battery TypeLithium Ion 3.7 Vdc, 1200 mAh
Battery Charging TimeFully charged in 2.5 Hours


Dimensions with Belt Clip3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
Dimensions (H x W x D)3.75 x 2.0 x 0.64 in. (9.6 x 5.0 x 1.7 cm)
Unit Weight1.60 oz. (45 g)
Unit Weight with Batteries2.40 oz. (68 g)
Shipping Weight3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum


Temperature - Operation14 to 104 ºF (-10 to 40 ºC)
Temperature - Storage(-)4 to 122 °F (-20 to 50 °C)
Relative Humidity0 to 95% relative humidity, non-condensing


Ampetronic are pleased to announce that we will be offering the award winning new WiFi Audio streaming system.
The class leading performance of the new iDSP Infrared System really is the sum of its outstanding parts!
Assistive Listening Systems are a special type of sound system designed specifically to help people with hearing loss access audio services in public places by connecting them directly.
Ampetronic are world leaders in the design and manufacture of assistive listening systems and audio solutions.