Listen Technologies ListenIR iDSP Standard System, Includes LT-82-01 Transmitter, 4x LR-4200-IR Receiver, White

SKU: LTLS10001WH MFR: LS-100-01-WH
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Key Features

  • Crystal-clear audio: Experience superior sound quality with ListenIR iDSP technology.
  • Assistive listening: Ideal for theaters, classrooms, and conference rooms needing ADA compliance.
  • Four selectable channels: Customize your audio experience with multiple channel options.
  • Easy to use: Intuitive design ensures seamless setup and operation for all users.
  • Long battery life: Enjoy up to 8 hours of continuous use with the included receivers.
  • IR Radiator Coverage: Broad coverage up to 40,000 sq. ft. with the LT-82/LA-140 radiator.
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Special Order?Estimated to Ship: 08/09/2025
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Listen Technologies LS-100-01 Specifications

Includes

Includes

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  • Additional Included Items

    LA-304 Assistive Listening Notification Signage Kit Including (Hard Plaque + Static Cling Window Sticker)

    LA-422 USB to Mico USB Cable
    LA-381-01 Intelligent 12-Unit Charging Tray
    LA-382 Intelligent Cable Management Unit
    LA-904 Listen Dispensing Log Book

Transmitter: Audio

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  • Frequency Response

    63 Hz - 15 kHz (+/- 3 dB)

  • Signal-to-Noise Ratio

    Mono: > 60 dBStereo: > 52 dB

  • System Distortion

    < 2% total harmonic distortion (THD)

  • Audio Input 1

    Mono Input (Rear Panel). Female-XLR and 1/4 in. combo connector, balanced, 0/-55 dBu (line/mic) nominal input level adjustable; +21/-30 dBu (line/mic) maximum input level; impedance 20k/1k ohms (line/mic); phantom power +12 VDC

  • Audio Input 2

    Stereo or Mono Input (Rear Panel). Two (2) Phono connectors, unbalanced, -10/+10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k

  • Audio Processing

    Compression can be turned on/off.

  • Contour

    Cuts and boosts frequencies above 5 kHz

  • Monitor Output

    Front panel. One (1) 3.5 mm (0.14 in.) connector, unbalanced, adjustable output level, +7 dBu maximum, impedance 10 ohms. 100 mW, 32 ohms

  • Outputs

    Input 1 and Input 2 Mixed Output (Rear panel). Two (2) Phono connectors, unbalanced, -10 dBu nominal output level, +19 dBu maximum, impedance 10 ohms

Transmitter: Controls

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  • Programming

    Stereo on/off, Processing on/off

  • Front Panel

    Power, Test Tone on/off, Channel up/down, Input Level, Transmit Level, Contour, Monitor Level

  • Rear Panel

    Input 1 Level (Line, Mic, Mic-Phantom Power), Input 2 Level (-10/+10 dBu)

  • Internal Adjustments

    Compression ratio for audio processor. Slope adjustable from 1:1 to 4:1. Default 2:1

Transmitter: Indicators

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  • LCD

    Channel designation, lock status, RF Carrier, programming (front panel)

  • Unit Power

    Red LED illuminates when the unit is powered up (front panel)

  • Input 1, Input 2, Transmit Level

    Indicates Input 1, Input 2, and Transmit audio levels. 10 segment LED's (8 green, 2 red)

  • Stereo

    Indicated by a green LED when on (front panel)

  • Processing

    Indicated by a green LED when on (front panel)

  • RF Carrier

    Indicates carrier is active on the LCD Display (front panel)

  • Test Tone

    Red LED illuminates when test tone enabled (front panel)

Transmitter: RF

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  • Inputs

    One (1) BNC connector, for connection from additional transmitter(s). 50 mV, 50 ohm, -15 dBm

  • Outputs

    Two (2) BNC connectors, for connection to radiator(s) and/or additional transmitter(s). 50 mV, 50 ohm, -15 dBm

  • Carrier Frequencies

    2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz

  • Number of Channels

    Four (4) channels. Selectable one (1) channel per transmitter (mono or stereo)

  • Frequency Accuracy

    +/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)

  • Carrier Shut Off

    Carrier will shut off when no audio is present for 30 minutes to preserve radiator life.

  • Transmitter Stability

    50 PPM

Transmitter: Power

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  • Power Supply

    In-line switching mode power supply, Listen part number LA-205

  • Power Supply Input

    100-240 VAC, 47-63 Hz

  • Power Supply Output

    30 VDC, 1.5 A

  • Power Supply Connector

    RJ-45

  • Power Output

    Two (2) RJ-45 jacks. For remote powering up to two (2) radiators

Transmitter: Environmental

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  • Temperature - Operation

    14 Degree F (-10 Degree C) to +104 Degree F (40 Degree C)

  • Temperature - Storage

    -4 Degree F (-20 Degree C) to +122 Degree F (50 Degree C)

  • Relative Humidity

    0 to 95% relative humidity, non-condensing

Transmitter: Compliance

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  • Standards

    FCC Part 15, Industry Canada, CE, RoHS, UL

Transmitter: Physical

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  • Color

    Dark Gray

  • Rack Mounting

    One (1) rack space high (1U), 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in a single rack space. Optional Rack mount (LA-326) not included.

  • Power Line Cord

    North America, Type B, (LT-82-01)Asia, UK, Type G, (LT-82-02)Euro Type J, (LT-82-03)

  • Compatibility

    LA-112, LA-113, LA-140-GY, LA-89, LR-42, LR-44, LA-391, LA-390, LA-274, LA-277, LA-278, LA-279, LA-304, LA-303, LR-4200-IR, LR-5200-IR, LR-4200-IR-P1, LR-5200-IR-P1, LP-40-IR-01, LP-41-IR, LP-50-IR, LP-51-IR, LR-X200-IR

  • Dimensions (W x H x D)

    8.50 x 1.75 x 9.13" (21.5 x 1.75 x 9.13cm)

  • Weight

    Without Power Supply: 2.6 lb (1.18kg)
    With Power Supply: 3.8 lb (1.72kg)

Receiver: Audio

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  • System Distortion

    < 2% total harmonic distortion (THD) at 80% deviation

  • Audio Output Jacks

    Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm, accepts mono or stereo phone plug or LA-430 Intelligent Ear Phone/Neck Loop Lanyard

  • System Frequency Response

    63 Hz - 15 kHz ( +/-3 dB)

  • System Signal to Noise Ratio

    > 60 dB

Receiver: Controls

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  • User Controls

    Power on/off and volume up/down

  • Programming

    Via software and USB port, Auto Seek, Jack Sense, Squelch, Auto Power, Auto Off, Stereo, Brightness, Channel Name

  • Set-up Controls

    Press and hold up/down volume buttons for 5 seconds to enterchannel adjust, use up/down to select channel

Receiver: Indicators

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  • Display

    OLED - Channel designation, battery level, unit number, charging status, volume status

  • LED

    Flashes when batteries are low or to indicate charging, solid when fully charged

Receiver: RF

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  • Carrier Frequencies

    2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz

  • Number of Channels

    Four (4) selectable channels

  • Frequency Accuracy

    +/- .005% stability 32 to 122 Degree F (0 to 50 Degree C)

  • Modulation

    FM Wideband, +/-50 kHz deviation max, 50 uS de-emphasis

Receiver: IR

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  • Coverage Area

    30,000 sq. ft (2787 sq. m) single channel with LT-84/LA-141 or 40,000 sq. ft (3716 sq. m) single channel with LT-82/LA-140

  • Squelch

    Programmable in 20 steps, automatic on loss of IR signal

  • Power Save Mode

    Turns unit off after a specified time of no IR signal, default is 30 minutes

  • Sensitivity

    Better than one (1) nW/cm2 @40 dB SNR

Receiver: Power

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  • Power Supply

    Micro USB connector, 5 V, 500 mA

  • Battery Type

    Lithium Ion

  • Battery Life

    8 Hours of typical use

  • Battery Charging Time

    Fully charged in 2.5 Hours

Receiver: Environmental

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  • Temperature - Operation

    14 to 104 Degree F (-10 to 40 Degree C)

  • Temperature - Storage

    -4 to 122 Degree F (-20 to 50 Degree C)

  • Relative Humidity

    0 to 95% relative humidity, non-condensing

Receiver: Compliance

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  • Standards

    FCC Part 15, ICS-03, CE, RoHS, WEEE, ADA 706, CBC 11B-706

Receiver: Physical

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  • Compatibility

    LA-140-GY, LT-82, LA-365, LA-401, LA-381, LA-405, LA-404, LA-403, LA-402, LA-380, LA-430, LT-84, LA-141, LA-382

  • Color

    Flat Black

  • Dimensions (H x W x D)

    Without Belt Clip: 3.75 x 2.0 x 0.64" (9.6 x 5.0 x 1.7cm)
    With Belt Clip: 3.75 x 2.0 x 0.80" (9.6 x 5.0 x 2.1 cm)

  • Weight

    Without Batteries: 1.9 oz (53.9g)
    With Batteries: 2.8 oz (79.4g)

About Listen Technologies LS-100-01

Overcome audio challenges in mid to large-sized venues with the innovative ListenIR iDSP Standard System. This high-tech audio solution, complete with an LT-82-01 Transmitter, 4x LR-4200-IR Receivers, and an LA-140 Stationary IR Radiator, is designed to provide seamless, gap-free coverage for spaces up to 40,000 sq. ft.

Ideal for settings ranging from convention centers and theaters to courtrooms and training spaces, this advanced system from Listen Technologies is a user-friendly solution for delivering industry-leading assistive listening. The system is capable of broadcasting on four mono or stereo carriers, ensuring a comprehensive audio experience for all listeners.

The heart of this durable system is the LT-82 Stationary IR Transmitter and LA-140 Stationary IR Radiator, which together provide outstanding coverage without gaps. The system also includes LR-4200-IR Intelligent DSP IR Receivers, offering a Signal-to-Noise Ratio (SNR) of 60 dB or better and Total Harmonic Distortion (THD) of less than 2% for crystal clear audio.

The system also comes with an LA-381 Intelligent 12-Unit Charging Tray, allowing for the system to grow with your needs. The receivers are designed to be worn on a lanyard or belt clip and feature an integrated neck loop for compatibility with T-coil hearing aids.

The receivers are equipped with iDSP noise reduction technology and a multi-functional OLED display that indicates battery status, inventory number, volume level, and a customizable channel name. They are fully programmable via PC software and incorporate automatic battery charging circuitry, using a non-proprietary lithium-ion battery for convenience.

Whether you're setting up a classroom, conference room, or any other space where multiple people need to hear the same audio content, the ListenIR iDSP Standard System provides a reliable and advanced solution.

Listen Technologies LS-100-01 Features

  • Pre-configured, ready-to-install system complete with transmitter, radiator, receivers, and more
  • Ideal for mid-size venues including legislative chambers, performing arts centers, classrooms/lecture halls, convention centers, and more.
  • Includes transmitter/radiator combo, several iDSP receivers, and a 12-unit charging tray
  • Crystal-clear audio performance for all listeners
  • Integrated neck loops/lanyards provide compatibility with T-coil-equipped devices
  • Designed for single-channel applications

Key Features

  • Crystal-clear audio: Experience superior sound quality with ListenIR iDSP technology.
  • Assistive listening: Ideal for theaters, classrooms, and conference rooms needing ADA compliance.
  • Four selectable channels: Customize your audio experience with multiple channel options.
  • Easy to use: Intuitive design ensures seamless setup and operation for all users.
  • Long battery life: Enjoy up to 8 hours of continuous use with the included receivers.
  • IR Radiator Coverage: Broad coverage up to 40,000 sq. ft. with the LT-82/LA-140 radiator.

What's in the box:

  • LT-82-01 Stationary IR Transmitter
  • LA-326 Universal Rack Mounting Kit Including (Left Side Bracket + Right Side Long Bracket + Right Side Short Bracket + Dual Mount Center Bracket + Quick Reference Card + 10x Machine Screws)
  • LA-140 Stationary IR Radiator
  • 4x LR-4200-IR Intelligent DSP IR Receiver
  • 4x LA-430 Intelligent Ear Phone/Neck Loop Lanyard
  • 4x LA-401 Universal Ear Speaker
  • (See Specification Section for Additional Included Items)
  • Listen Technologies 5 Year Limited Warranty