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Overview

Offering coverage up to 1,500 ft. (457.2 m) for venues handling as many as 100 visitors or clients, the LS-71 Stationary RF System from Listen Technologies is the perfect high-capacity assistive listening solution for permanent installations. The complete package includes our LT-800-072 Stationary RF transmitter and four of our high-performance LR-5200-072 iDSP receivers, as well as everything needed to get set up immediately.

The LS-71 system comes with our LA-381 Intelligent 12-unit charging tray, which provides plenty of capacity for charging, storing, and managing up to twelve (12) receivers. The high-capacity tray allows room for upgrading and expanding your RF system as the demands of your venue grow.

An assistive listening notification signage kit, cable management unit, log book, disinfecting wipes, and more are also included to create a conveient and complete solution for offering assistive listening immediately.

Includes

One (1) LT-800-072-01 Stationary RF Transmitter (72 MHz)
One (1) LA-326 Universal Rack Mounting Kit
One (1) LA-122 Universal Antenna Kit (72 MHz and 216 MHz)
Four (4) LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)
Four (4) LA-430 Intelligent Earphone/Neck Loop Lanyard
Four (4) LA-401 Universal Ear Speaker
One (1) LA-381-01 Intelligent 12-Unit Charging Tray
One (1) LA-382 Intelligent Cable Management Unit
One (1) LA-422 USB to Micro USB Cable
One (1) LA-901 Listen Disinfecting Wipes (Cylinder 75 CT)
One (1) LA-904 Listen Dispensing Log Book
One (1) LA-304 Assistive Listening Notification Signage Kit
One (1) LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m)

Highlights

  • Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
  • Integrated neck loop / lanyard with DSP loop driver improves the listening experience for T-coil users
  • Smallest device of its kind makes it easier to wear and for venues to dispense, store and maintain
  • Limited Lifetime Warranty with hassle-free support
  • Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
  • Includes drop-in charging/dispensing station for streamlined dispensing, collecting and care of up to (12) iDSP RF listening devices
  • Ensures public venues deliver an exceptional listening experience while meeting new legislative requirements for assistive listening
Configurations & Architectural Specs

Configurations

LS-71-072 Listen iDSP Advanced Level IV Stationary RF System (72 MHz)

Architectural Specs

Furnish and install an RF wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting on 57 channels and be frequency agile. 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. The lanyard shall have the option of an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils. The neck loop shall have a field strength of 400 mA/m (+/- 3dB) and frequency response of 100Hz to 5kHz (+/- 3 dB ref 1kHz).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 ALS system shall have 80 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Furnish and install the following:

Listen Technologies LT-800-072-01 Stationary RF Transmitter (72 MHz) (Qty: 1 ea.)

Listen Technologies LA-326 Universal Rack Mounting Kit (Qty: 1 ea.)

Listen Technologies LA-122 Universal Antenna Kit  (72 MHz and 216 MHz) (Qty: 1 ea.)

Listen Technologies LR-5200-072 Intelligent DSP RF Receiver (72 MHz) (Qty: 4 ea.)

Listen Technologies LA-430 Intelligent Earphone/Neck Loop Lanyard (Qty: 4 ea.)

Listen Technologies LA-401 Universal Ear Speaker (Qty: 4 ea.)

Listen Technologies LA-381-01 Intelligent 12-Unit Charging Tray (Qty: 1 ea.)

Listen Technologies LA-382 Intelligent Cable Management Unit (Qty: 1 ea.)

Listen Technologies LA-422 USB to Micro USB Cable (Qty: 1 ea.)

Listen Technologies LA-901 Listen Disinfecting Wipes (Cylinder 75 CT) (Qty: 1 ea.)

Listen Technologies LA-904 Listen Dispensing Log Book (Qty 1 ea.)

Listen Technologies LA-304 Assistive Listening Notification Signage Kit (Qty: 1 ea.)

Listen Technologies LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m) (Qty: 1 ea.)

Product Specifications
Specification LS-71-072

Physical

Shipping Weight 25.0 lbs. (11.34 kg)
Accessories
FAQ
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 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 transmission range of the LS-71-072 system?
A Up to 305 m (1,000 ft.).
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
Q What is the difference between the LR-5200 and the LR-4200?
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 are the ADA changes related to assistive listening systems?
A Simply put, any public assembly area where audible communication is integral to the use of the space, an assistive listening system shall be provided. The assistive listening receivers need to comply with the following table below. For full details visit: http://www.ada.gov/2010ADAstandards_index.htm
Q What is the warranty of Listen transmitters and receivers?
A Limited lifetime warranty. The following cases will void the warranty:
  • Misuse, dropping, or any other noticeable cosmetic damage.
  • Overheating the charging process by closing the lid on the charging.
Q Can the LR-5200 be used with multiple transmitters?
A Yes, and it can be programmed to lock out unused channels.
Q Is there a limit to the number of transmitters I can use in one room?
A Yes. The 72 MHz LT-800-072 has a maximum of (8) eight.
Related Products

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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