Overview

Offering coverage up to 457.2 m (1,500 ft.), the LS-70 Stationary RF System from Listen Technologies is an ideal way to provide assistive listening in larger venues as quickly as possible. The complete package includes our LT-800-072 Stationary RF transmitter and four of our best-in-class LR-4200-072 iDSP receivers, as well as everything else you need to get set up immediately.

The LS-70 system also includes 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.

The LS-70 package also includes an assistive listening notification signage kit, cable management unit, log book, disinfecting wipes and more, all in one convenient starter system.

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-4200-072 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)

Features

• 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
• 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

LS-70-072 Listen iDSP Prime Level IV Stationary RF System (72 MHz)

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 tune to a single channel and user shall not be able to change the channel. 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 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-4200-072 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-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.)

Specifications