Composite image of an RF system featuring one transmitter, one antenna, four receivers, four ear buds, two neck loops, charging cord, one 4-port USB charger, and signage.

Listen iDSP Prime Level I Stationary RF System (72 MHz)

Item:LS-53-072

The LS-53 Stationary RF System from Listen Technologies is a complete package that makes it quick and easy to offer a single-channel assistive listening solution to clients, customers, visitors, and more.

The LS-53 includes our LT-800-072 72 MHz Stationary RF Transmitter and four (4) high-performance LR-4200-072 iDSP receivers, as well as all of the accessories needed to provide assistive listening right away. The included telescoping antenna provides excellent transmitter range, and the notification signage kit (LA-304) helps ensure compliance with ADA requirements.

The LS-53 also comes complete with universal ear speakers, intelligent earphone/neck loop lanyards, a four-port USB charger, and an RCA cable. The complete system is great for meeting the needs of small or medium-size venues with a capacity of up to 100 people.

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Includes

One (1) LT-800-072-01 Stationary RF Transmitter (72 MHz)
One (1) LA-106 Telescoping Top Mounted Antenna (72 MHz)
Four (4) LR-4200-072 Intelligent DSP RF Receiver (72 MHz)
Four (4) LA-401 Universal Ear Speaker
Two (2) LA-430 Intelligent Earphone/Neck Loop Lanyard
One (1) LA-423 4-Port USB Charger
One (1) LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m)
One (1) LA-304 Assistive Listening Notification Signage Kit

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
  • Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
  • Ensures public venues deliver an exceptional listening experience while meeting new legislative requirements for assistive listening

Also Needed

Specs

+Physical

Shipping Weight10.0 lbs. (4.5 kg)

Accessories

FAQs

+What is the difference between the LR-4200 and the LR-5200?

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.

+What is the purpose of Squelch?

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.

+What is the function of SQ?

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.

+What is the transmission range of the LS-53-072 system?

Up to 198 m (650 ft.) with the included telescoping antenna (LA-106). For greater range up to 305 m (1,000 ft.) the universal antenna kit options found in the Level II and II Prime systems.

+Can the LR-4200 be used with multiple transmitters?

Yes, but unlike the LR-5200, it cannot be programmed to lock out channels.

+What is the warranty on the Lithium-ion battery?

The Lithium-ion battery has a 1 year warranty. All other accessories have a 90-day warranty. Listen Warranty

+What are the ADA changes related to assistive listening systems?

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

+Is there a limit to the number of transmitters I can use in one room?

Yes. The 72 MHz LT-800-072 has a maximum of (8) eight.

+What type of battery technology does the LR-4200 use?

The LR-4200 uses a non-proprietary field replaceable Lithium Ion battery.

+How long does it take to fully charge the LR-4200?

It varies dependent on the depletion of the battery. A fully depleted battery will charge in 2.5 hours or less.

+How many LR-4200 receivers can I use in a system?

As many as you need, the number is endless.

+How long will the LR-4200 run on a fully charged battery?

The LR-4200 will run continuously for 8 hours on a fully charged battery