Listen Technologies LA-140 Stationary IR Radiator, White

SKU: LTLA140WH MFR: LA-140-WH
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Key Features

  • Enhance your audio experience with the LA-140 IR Radiator for superior sound quality.
  • Ensure seamless connectivity with included 25' coax and CAT-5 cables for easy setup.
  • Expand assistive listening coverage up to 10,000 sq. ft. with this powerful radiator.
  • Flexible mounting options allow for wall, ceiling, desk, or tripod installation.
  • Compatible with Listen Technologies receivers for clear audio in any environment.
  • Trust in reliable audio transmission with a 3-year warranty for peace of mind.
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Special Order?Estimated to Ship: 09/10/2025
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Listen Technologies LA-140 Specifications

Controls

Controls

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  • User Controls

    Termination Switch, Delay Compensation Switch, Indicator LEDs on/off, Compatibility Switch

Indicators

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  • Red LED

    Indicates power is present.

  • Yellow LED

    Indicates no connection to transmitter or radiator.

  • Green LED

    Indicates carrier and power are present and radiator is emitting IR signal.

  • Frequency Range

    1 MHz - 5 MHz

  • Input/s

    BNC Connection. -25 dBm to -5 dBm input nominal

  • Output/s

    BNC Connection. -15 dBu nominal

  • Coverage Area

    10,000 sq. ft (929 sq. m) when used with Listen Receivers

  • Power Supply Input

    RJ-45 connector. 30 VDC, powered from transmitter via CAT-5 cable or optional LA-205 power supply.

  • Power Supply Output

    RJ-45 connector. 30 VDC, powers up to one additional radiator. (Maximum two radiators powered from each LT-82 transmitter or LA-205 power supply)

  • Emitter Power

    3 W

  • Cable Length

    250' with (1) LT-82 and (2) LA-140 or 700' with (1) LT-82 and (1) LA-140

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

Compliance

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  • Standards

    FCC Part 15, Industry Canada, CE, RoHS

Physical

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  • Color

    White

  • Mounting

    Radiator can be mounted on a wall, on a ceiling, in a corner, on a desk, on a mic stand or on a tripod. Wall box mounting plate fits a standard single gang electrical box.

  • Compatibility

    LA-112, LA-113, LA-342, LA-86, LR-42, LR-44, LT-82, LA-391, LA-390, LA-205, 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, LA-347-GY

  • Dimensions (W x H x D)

    8 x 5.50 x 2.60" (203 x 140 x 66mm)

  • Weight

    2.1 lb (0.95kg)
    2.4 lb (1.09kg) (Loaded)

About Listen Technologies LA-140

Where sophistication meets functionality, the LA-140 Stationary IR Radiator/Emitter by Listen Technologies stands out as a premier solution for infrared assistive listening needs. This sleek and modern device is designed to blend seamlessly into any environment with its compact form and choice of white or grey finishes. Ideal for venues of all sizes, the LA-140 ensures comprehensive coverage with a substantial transmitting area of no less than 10,000 square feet (929 square meters), making it a reliable option for delivering clear, high-quality audio to individuals requiring assistance.

Engineered for versatility, the LA-140 can be easily expanded by horizontally or vertically mounting two units together, effectively doubling the power of your system without compromising on space. This feature is particularly beneficial for larger settings where additional coverage is necessary. The innovative design allows for two LA-140 units to be powered by a single LT-82 transmitter or an optional power supply, utilizing standard CAT-5 cabling for a streamlined and hassle-free setup process.

Each LA-140 unit comes equipped with a comprehensive mounting kit, offering the flexibility to install the device on a wall, ceiling, desk, microphone stand, or tripod. This adaptability ensures that the LA-140 can be positioned in the most effective location for any given space, enhancing the listening experience for users.

The unit is not only user-friendly but also smartly designed with three indicating LEDs that signal power status, carrier presence, and absence. These LEDs are designed to deactivate after 30 minutes of inactivity, conserving energy when the audio signal from the transmitter is no longer present.

Architectural specifications highlight the LA-140's efficiency, with the radiator being powered through CAT-5 cabling while the RF signal from the transmitter is carried via a 50-ohm coaxial cable. The inclusion of all necessary mounting hardware in the package simplifies the installation process, allowing for quick and easy integration into any IR assistive listening system.

In summary, the Listen LA-140 Stationary IR Radiator/Emitter is a sophisticated, efficient, and versatile choice for those seeking to enhance accessibility and improve the auditory experience in a variety of settings. Its professional design and reliable performance make it a standout product in the field of assistive listening technology.

Listen Technologies LA-140 Features

  • Up to 929 sq. m (10,000 sq. ft) of reliable IR signal coverage
  • Two (2) radiators can be combined and powered by a single LT-82 transmitter or optional power supply via standard CAT-5 cabling
  • Can be mounted together horizontally or vertically for double the power in a compact space
  • Automatic radiator diode shutoff feature extends radiator life
  • Delay compensation to eliminate dropout in the infrared signal
  • Available in either white or Gray for discrete installation in a variety of settings

Product Documents

User Manual

Key Features

  • Enhance your audio experience with the LA-140 IR Radiator for superior sound quality.
  • Ensure seamless connectivity with included 25' coax and CAT-5 cables for easy setup.
  • Expand assistive listening coverage up to 10,000 sq. ft. with this powerful radiator.
  • Flexible mounting options allow for wall, ceiling, desk, or tripod installation.
  • Compatible with Listen Technologies receivers for clear audio in any environment.
  • Trust in reliable audio transmission with a 3-year warranty for peace of mind.

What's in the box:

  • LA-140 Stationary IR Radiator
  • Mounting Hardware (Allows for Wall/Ceiling/Desk/Mic Stand and Tripod Mounting)
  • 25' (7.6m) Coax Cable (White)
  • 25' (7.6m) CAT-5 Cable (White)
  • Quick Reference Card
  • Listen Technologies 3 Year Limited Warranty