Overview

Perfect for larger venues requiring more range, the LS-55 Stationary RF System utilizes our LT-800-216 RF Transmitter and universal antenna kit to provide ample coverage. Complete with four LR-4200-216 iDSP RF receivers, universal ear speakers, and more, you can begin offering high-performance assistive listening services right away.

The LS-55 system also includes our LA-381 Drop-in Charging/Dispensing Station, with room for charging, storing, and managing up to twelve (12) receivers. The high-capacity station makes it easy to upgrde and expand your RF system as the demands of your venue grow.

Each LS-55 also includes an assistive listening notification signage kit to ensure that all visitors are aware of your assistive listening system’s availability, and the signage meets legal compliance requirements as well.

Includes

One (1) LT-800-216-01 Stationary RF Transmitter (216 MHz)
One (1) LA-122 Universal Antenna Kit (72 MHz and 216 MHz)
One (1) LA-326 Universal Rack Mounting Kit
Four (4) LR-4200-216 Intelligent DSP RF Receiver (216 MHz)
Four (4) LA-401 Universal Ear Speaker
Two (2) LA-430 Intelligent Earphone/Neck Loop Lanyard
One (1) LPT-A107-B Dual RCA to Dual RCA Cable 2 m (6.6 ft.)
One (1) LA-381-01 Intelligent 12-Unit Charging Tray
One (1) LA-304 Assistive Listening Notification Signage Kit

Features

• Full-featured 216 MHz RF system package including LT-800-216 transmitter and four iDSP receivers
• Universal antenna kit and rack mounting kit make it easy to install and configure for virtually any permanent installation
• Includes four universal ear speakers and two integrated neck loops/lanyards
• 12-slot charging tray, compliance signage, and RCA cable also included for immediate set up

Configurations & Architectural Specs

LS-55-216 Listen iDSP Prime Level III Stationary RF System (216 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 70 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 multiple charging options. The ALS system shall have 70 dB SNR or greater, end-to-end. Listen Technologies Corporation products are specified.

Furnish and install the following:

Listen Technologies LT-800-216-01 Stationary RF Transmitter (216 MHz) (Qty: 1 ea.)

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

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

Listen Technologies LR-4200-216 Intelligent DSP RF Receiver (216 MHz) (Qty: 4 ea.)

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

Listen Technologies LA-430 Intelligent Earphone/Neck Loop Lanyard (Qty: 2 ea.)

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

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

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

Specifications