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Listen Tech LS-91 ListenIR iDSP Level II Infrared Assistive Listening System
LT-84-01 ListenIR Transmitter Radiator Combo front
LT-84-01 ListenIR Transmitter Radiator Combo back
LR-4200-IR Intelligent DSP IR Receiver
LA-401 Universal Ear Speaker
LA-430 Intelligent Ear Phone Neck Loop Lanyard
LA-381-01 Intelligent 12-Unit Charging Tray
LA-422 USB to Micro USB Cable
LA-303 Multi-Lingual Assistive Listening Notification Sign
By Listen Technologies

Listen Tech LS-91 ListenIR iDSP Level II Infrared Assistive Listening System with 2 Receivers

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Part #:
LS-91-01
Model #:
LS-91
Availability: Usually arrives in 5-9 business days. Please be aware that global supply shortages outside our control may interfere with our normal delivery times and product availability. For more information, email sales@proacoustics.com or call us at 888-256-4112.

Shipping Notice:  We are moving! Shipping will be temporarily paused from October 15 to 20 and will resume on October 21.

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The Listen Technologies LS-91 infrared assistive listening system is designed for venues with up to 50 seats. It includes an LT-84 transmitter-radiator combo, two iDSP receivers, T-coil-compatible neck loop lanyards, ear speakers, and a 12-unit charging tray for secure single-channel audio transmission.

Description

Listen Tech LS-91 ListenIR iDSP Level II Infrared Assistive Listening System

The LS-91 ListenIR iDSP Level II system from Listen Technologies comes complete with everything needed to begin transmitting audio and meeting assistive listening requirements.

Ideal for small or medium-sized venues with a capacity of up to 50 seats, the LS-91 offers a convenient way to add secure assistive listening capabilities to boardrooms, courtrooms, theaters, educational spaces, and more. Each system includes one LT-84 transmitter/radiator combo, two LR-4200-IR iDSP receivers, two LA-430 intelligent ear phone/neck loop lanyards, two LA-401 universal ear speakers, one LA-422 USB to micro USB cable, and one LA-381-01 intelligent 12-unit charging tray. Packaged together, the LS-91 gives businesses and venues a convenient way to meet assistive listening requirements while providing high-quality audio performance.

Features
  • Pre-configured infrared system comes with everything needed to begin offering secure, high-quality assistive listening in a venue
  • Provides outstanding coverage up to 2,787 m² (30,000 ft²) for single-channel transmission
  • Ideal for small or medium-sized venues with up to 50 seats
  • Includes a transmitter/radiator combo, iDSP receivers, and a 12-unit charging tray
  • Provides clear audio performance for listeners
  • Integrated neck loops/lanyards provide compatibility with T-coil-equipped devices
  • Designed for single-channel applications

Specifications
Intended Venue Size Small to medium venues, up to 50 seats
Wireless Technology Infrared audio transmission
Audio Channels Up to 2 audio channels
Carrier Frequencies 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz
Maximum Coverage Area Up to 30,000 sq. ft. (2,787 m²), single-channel line-of-sight
Frequency Response 63 Hz-15 kHz (±3 dB)
Signal-to-Noise Ratio 60 dB or better
Total Harmonic Distortion Less than 2%
Audio Inputs 3.5 mm microphone, balanced Phoenix-type, unbalanced RCA per channel
Audio Processing Limiting, compression, noise gate
Transmitter 1 x LT-84-01 ListenIR Transmitter/Radiator Combo
Receivers 2 x LR-4200-IR Intelligent iDSP IR Receivers
Neck Loop Accessories 2 x LA-430 Intelligent Earphone/Neck Loop Lanyards
Ear Speakers 2 x LA-401 Universal Ear Speakers
Charging Tray 1 x LA-381-01 Intelligent 12-Unit Charging Tray
Included Cable 1 x LA-422 USB-to-Micro USB Cable
Hearing Aid Compatibility T-coil compatible via integrated neck loop
Receiver Battery Rechargeable, replaceable lithium-ion
Receiver Battery Life Up to 8 hours per full charge
Receiver Charging Time 2.5 hours or less when fully depleted
Expansion Capability Supports up to 4 expansion radiators, subject to system configuration
Primary Applications Boardrooms, courtrooms, theaters, classrooms, educational facilities
Accessibility Application Assistive listening for people with hearing loss

DOCUMENTS

In The Box
  • (1) LT-84-01 ListenIR Transmitter/Radiator Combo
  • (2) LR-4200-IR Intelligent DSP IR Receivers
  • (2) LA-430 Intelligent Ear Phones/Neck Loop Lanyards
  • (2) LA-401 Universal Ear Speakers
  • (1) LA-422 USB to Micro USB Cable
  • (1) LA-381-01 Intelligent 12-Unit Charging Tray
  • (1) LA-303 Multi-Lingual Assistive Listening Notification Sign

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