LISTEN IDSP ADVANCED LEVEL IV STATIONARY RF SYSTEM (72 MHZ)
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, and more are also included to create a convenient 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-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)
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.
