Listen Technologies LS-53-216 Listen iDSP Prime Level I Stationary RF System

The LS-53 Stationary 216 MHz 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-800-216 216 MHz Stationary RF Transmitter and four (4) high-performance LR-4200-216 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.Architectural SpecsFurnish 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 SQ 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.