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Listen Technologies LS-90 ListenIR iDSP Level I System, LT-84-01 Transmitter, 2x LR-4200 IR Receiver
SKU: LTLS9001 MFR: LS-90-01
$1,522.00
$1,691.00
Save: $169 (10%)OR
Key Features
- Crystal-clear audio: Experience superior sound quality with ListenIR technology.
- Assistive listening system: Ideal for theaters, classrooms, and conference rooms.
- IR Receiver included: Get two LR-4200-IR receivers for complete audio access.
- Long battery life: Enjoy up to 8 hours of use with the included lithium-ion battery.
- Easy to use: Simple setup and operation for seamless audio presentations.
- Expandable coverage: Up to 30,000 sq ft coverage with the LT-84-01 transmitter.
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About Listen Technologies LS-90
Securely transmit assistive listening audio and ensure compliance for your venue with the LS-90-0 ListenIR iDSP Level I System. The pre-configured system includes everything you need to meet the needs of a small or mid-size venue up to 50 seats, including boardrooms, theaters, training venues, classrooms, and more.
Each LS-90-0 system comes complete with one of our LT-84 Transmitter/Radiator combos for clear and secure line-of-sight audio transmission, along with our LR-4200-IR receivers and LA-423 4-port charger.
Simple to set up and cost effective, the LS-90-0 from Listen Technologies offers better coverage than similar systems at an affordable price.
Architectural Specs
Furnish and install an IR wireless assistive listening system for use by the hearing-impaired. The assistive listening system (ALS) shall be capable of broadcasting up to two (2) audio channels with the choice of four (4) mono carrier frequencies; 2.3, 2.8, 3.3 and 3.8 MHz. The system coverage area shall be up to 30,000 ft 2 (2787 m 2) with single channel transmission. The system shall have a SNR of 60 dB or better and THD of less than 2%. The system shall have an audio frequency response of 63 Hz to 15 kHz, +/- 3db. The system shall have two (2) independent mixing audio inputs, one for each transmission channel.
Each mixing input shall consist of one (1) 3.5 mm Microphone input, one (1) balanced Phoenix type input and one (1) unbalanced RCA input. The system shall have independent channel audio processing with Limiting, Compression and Noise Gate as well as transmit level control and level indication via an LED. The system shall provide Power and RF signal for up to Four (4) Expansion Radiators over CAT-5 cable for additional coverage.
The system receivers shall be capable of receiving on four (4) wide band channels (carriers), Channel 1 (2.3 MHz), Channel 2 (2.8 MHz), Channel 3 (3.3 MHz) and Channel 4 (3.8 MHz). The receivers shall be tuned to a single channel and users shall not be able to change the channel. The receivers shall have the option of being lanyard or belt clip worn and the lanyard shall incorporate an integrated neck loop for compatibility with T-coil hearing aids.
The receivers shall be intelligent and provide customized audio to either earphones or the integrated neck loop based upon which is connected. The receivers shall have two (2) 3.5 mm (TRRS) connectors to drive the integrated neck loop lanyard or up to two (2) mono or stereo earphones. The receivers shall incorporate a multi-functional display (OLED) that indicates battery status, inventory number, volume level and a customizable channel name.
The receivers shall employ a unique iDSPTM noise reduction technology. The receivers shall be fully programmable via PC software. The receivers shall have a micro USB connector used for programming/setup, inventory control, charging and firmware upgrades. The receivers shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The receivers shall automatically turn on when removed from the charging device and automatically turn off when returned to the charging device.
Listen Technologies LS-90 Features
- Pre-configured infrared system comes with everything you need to begin offering secure, high-quality assistive listening in your venue
- Provides outstanding coverage up to 2,787 sq. m (30,000 sq. ft)
- Ideal for small or medium-sized venues up to 50 seats
- Simple to set up and easy to use
- Crystal clear audio performance for all listeners
- Integrated neck loops/lanyards provide compatibility with T-coil-equipped devices
- Designed for single-channel applications