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Overview

Listen Technologies’ LR-5200-072 RF receiver offers assistive listening users an option for high-performance audio in a compact device that offers best-in-class pickup and reduced noise. The LR-5200-072 also provides houses of worship, theaters, lecture halls, and other venues with an affordable and easy-to-manage solution when adding or expanding their assistive listening options.

The built-in rechargeable battery technology makes the LR-5200-072 an economical and environmentally friendly choice, reducing the costs of operation and ownership while offering extended use. Each unit features a micro-USB connection which, in addition to being used for quick and convenient battery charging, also allows for fast and simple firmware updates, setup, and programming using the free iDSP software .

The integrated neck loop and lanyard with DSP loop driver makes the LR-5200-072 easy to wear and convenient for listeners with T-coil equipped hearing aids. Additionally, the OLED display built in to each receiver provides at-a-glance information including channel status, battery level, and more.

From classrooms to conferences, businesses to banquet halls, and more, the LR-5200-072 makes an outstanding choice for a comfortable, clear, and reliable personal listening receiver.

 

Includes

One (1) LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)*

 

*The LR-5200-072 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.

Highlights

  • High-performance, ultra-sensitive RF personal listening receiver offering the best reception and lowest noise in its class
  • Compact design—the smallest of its kind—makes it easier to wear, dispense, store, and maintain
  • Advanced rechargeable battery technology reduces costs and provides long-lasting charge for extended use
  • Integrated neck loop and lanyard with DSP loop driver provides an ideal listening experience for users with T-coil-equipped hearing aids
  • OLED display offers at-a-glance information including channel status, battery level, volume, and more
  • Backed by Listen Technologies’ limited lifetime warranty and hassle-free support
Configurations & Architectural Specs

Configurations

LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)

Architectural Specs

The RF receiver shall be capable of receiving on 57 wide and narrow band channels.  The device shall have a programmable multi-function Listen button that can be tuned for the venues desired channels and electronically lock out any unused channels.  The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQTM noise reduction technology. The unit shall have a programmable squelch circuit.  The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiply charging options.  The Listen LR-5200-072 is specified.

CAD file(s)

Product Specifications
Specification LR-5200-072

Audio

Frequency Response 50 Hz - 15 kHz (±3 dB)
System Distortion < 2% total harmonic distortion (THD) at 80% deviation
Output/s Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
System Signal to Noise Ratio SQ enabled 80 dB, SQ disabled 60 dB

Controls

User Controls Power, up/down volume, Listen button for end user channel selection
Programming Via software and USB port
Set-up Controls Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel

Indicators

LEDs Flashes when batteries are low or to indicate charging, solid when fully charged
Display Channel designation,battery level, unit number, charging status

RF

Frequency Range 72.025 - 75.950 MHz
Number of Channels 17 wide band, 40 narrow band
Sensitivity .6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy ± .005% stability 32 to 122 ºF (0 to 50 ºC)
Squelch Programmable in 20 steps, automatic on loss of RF signal
Antenna Type Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable

Power

Power Supply Micro USB connector, 5 V, 500 mA
Battery Type Lithium Ion 3.7 Vdc, 1200 mAh
Battery Life 8 Hours of continuous use
Battery Charging Time Fully charged in 2.5 Hours

Physical

Color Black
Unit Weight with Batteries 2.40 oz. (68 g)
Shipping Weight 3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum
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 Weight 1.60 oz. (45 g)
Dimensions with Belt Clip 3.75 x 2.0 x 0.80 in. (9.6 x 5.0 x 2.1 cm)

Environmental

Temperature - Operation 14 to 104 ºF (-10 to 40 ºC)
Temperature - Storage (-)4 to 122 °F (-20 to 50 °C)
Relative Humidity 0 to 95% relative humidity, non-condensing

Compliance

Standards FCC Part 15, Part 90, Industry Canada, RoHS
Requirements
Used With
Accessories
FAQ
Q What is the difference between the LR-4200 and the LR-5200?
A The main difference is that the LR-5200 is programmable with a multi-function Listen button. It gives the user an opportunity to program only the desired channels and lockout the unused channels. This makes it simple to operate for end users that need to select between multiple active channels. The Listen Button can also be used to search for an active channel and lock the receiver on a specific channel.
Q What is the purpose of Squelch?
A The purpose of squelch is to mute the audio output of your receiver when the signal from the transmitter is turned off or is too weak to be received. Without squelch you would hear radio noise in your earphone. The squelch function can be programmed to the desired setting.
Q How many LR-5200 receivers can I use in a system?
A As many as you need, the number is endless.
Q How long does it take to fully charge the LR-5200?
A It varies dependent on the depletion of the battery. A fully depleted battery will charge in 2.5 hours or less.
Q What type of battery technology does the LR-5200 use?
A The LR-5200 uses a non-proprietary Lithium Ion battery.
Q What is the warranty of Listen receivers?
A Limited lifetime warranty. The following cases will void the warranty: -Misuse, dropping, or any other noticeable cosmetic damage. -Charging alkaline batteries instead of NiMH. -Overheating the charging process by closing the lid on the charging case
Q What is the function of SQ?
A To reduce noise of the systems, Listen offers a noise reduction technology called ListenSQ™. Both the transmitter and receiver must have SQ on to achieve the desired results. If you are planning to use this product with older Listen systems or equipment not manufactured by Listen, you should disable SQ.
Q How long will the LR-5200 run on a fully charged battery?
A The LR-5200 will run continuously for 8 hours on a fully charged battery.
Q What is the warranty on the Lithium-ion battery?
A The Lithium-ion battery has a 1 year warranty. All other accessories have a 90-day warranty. Listen Warranty
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My overall impression is very positive. The sound is clear and connects well with my telecoils. It is lightweight and comfortable on my neck. I like that I can open the loop to put it on and off my neck so I don't attract attention and I don't mess up my hair (vanity is so important! LOL).

Kathy Evans
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