Overview

Configured with permanent installations in mind, the LS-54 Stationary RF System comes with everything needed to immediately integrate and offer high-quality assistive listening while meeting compliance requirements.

Beginning with the LT-800-216 Stationary RF Transmitter and LA-122 Universal Antenna Kit, the system allows you to configure and rack mount the antenna ideal for your system and setup.

Four of our advanced LR-4200-216 iDSP Receivers are included as well, along with four universal ear speakers, two intelligent neck loops/lanyards, a four-port USB charger, RCA cable, and a notification signage kit. The result is a complete assistive listening system that provides outstanding audio performance and immediate compliance for your business or venue.

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) LA-423 4-Port USB Charger
• One (1) LPT-A107-B Dual RCA to Dual RCA Cable 2 m (6.6 ft.)
• One (1) LA-304 Assistive Listening Notification Signage Kit

Features

• Complete 216 MHz RF system with transmitter and four iDSP receivers
• LT-800-216 transmitter, universal antenna kit, and rack mount kit include everything needed for permanent installation and custom configuration
• Includes four universal ear speakers and two integrated neck loops/lanyards
• Four-port USB charger, compliance signage, and RCA cable also included for immediate set up

Configurations & Architectural Specs

LS-54-216 Listen iDSP Prime Level II 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 70dB 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-423 4-Port USB Charger (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