Listen Technologies LR-4200-072-P1 Intelligent DSP RF Receiver Package 1, 72 MHz

SKU: LTLR420072P1

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Listen Technologies LR-4200-072 Specifications

Audio
  • System Distortion

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

  • Output/s

    Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm

  • System Frequency Response

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

  • System Signal to Noise Ratio

    SQ enabled 80 dB, SQ disabled 60 dB

Controls

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  • User Controls

    Power, up/down volume

  • Programming

    Via software and USB port

  • Set-up Controls

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

Indicators

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  • LEDs

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

  • Display

    Channel designation, battery level, unit number, charging status

  • Frequency Range

    72.0250 - 75.9500 MHz

  • Number of Channels

    17 wide band, 40 narrow band

  • Sensitivity

    .6uV typical, 1 uV maximum for 12 dB sinad

  • Frequency Accuracy

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

  • Squelch

    Programmable in 20 steps, automatic on loss of RF signal

  • Antenna Type

    Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable

  • Power Supply

    Micro USB connector, 5 V, 500 mA

  • Battery Type

    Lithium Ion 3.7 Vdc, 1200 mAh

  • Battery Life

    8 Hours of continuous use

  • Battery Charging Time

    Fully charged in 2.5 Hours

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

Compliance

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  • Standards

    FCC Part 15, Part 90, Industry Canada, RoHS

Physical

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  • Compatibility

    LT-800-072-01, LT-700-072

  • Color

    Black

  • Dimensions (H x W x D)

    Without Belt Clip: 3.75 x 2.00 x 0.64" (9.6 x 5 x 1.7cm)
    With Belt Clip: 3.75 x 2.00 x 0.80" (9.6 x 5.0 x 2.1cm)

  • Weight

    Without Batteries: 1.6 oz (45.4g)
    With Batteries: 2.4 oz (68.1g)

  • UPC Code

    819267022256

About Listen Technologies LR-4200-072

While catering to the sophisticated needs of audio professionals and enthusiasts alike, the LR-4200-072-P1 Intelligent DSP RF Receiver Package 1, operating at 72 MHz, stands out as a sleek and innovative solution for superior audio reception. This package is meticulously designed by Listen Technologies, a brand synonymous with high-quality audio equipment, ensuring a top-tier listening experience for visitors, customers, and clients in various settings.

The package comes complete with the LR-4200-072 iDSP receiver, renowned for its high-tech industry-leading range and sensitivity. This guarantees users a robust and consistent signal reception, surpassing other devices in its category. The compact size of the iDSP devices from Listen Technologies not only enhances user comfort but also streamlines the management and distribution process for the providers.

Included in this package is an integrated neck loop/lanyard, which is particularly beneficial for individuals with T-coil-equipped hearing aids, offering them an enriched auditory experience. Additionally, the universal ear speaker included in the set ensures that all users can enjoy the exceptional clarity and extensive signal range that the LR-4200-072 provides.

Each receiver is equipped with an OLED display, which clearly communicates essential information such as channel name, status, battery charge level, and volume control. The presence of a micro USB connection simplifies the setup, programming, and firmware updates, making it a user-friendly choice for any venue.

The LR-4200-072-P1 receiver package is an ideal choice for enhancing or expanding IR assistive listening systems in small to mid-size venues, including theaters, classrooms, and houses of worship. Its architectural specifications boast a capacity to receive on 57 wide and narrow band channels, with a fixed tuning to a single channel for user simplicity.

The receiver's audio prowess is evident with a signal-to-noise ratio of 80 dB or greater and an audio frequency response of 50 Hz - 15 kHz (±3 dB), complemented by DSP SQ noise reduction technology for pristine sound quality. The programmable squelch circuit, multi-functional display, and versatile wearing options, including lanyard or belt clip with an integrated neck loop, further enhance the device's functionality.

Charging and maintenance are made effortless with the automatic battery charging circuitry, non-proprietary lithium-ion battery, and additional charging contacts for multiple charging options. The integrated earphone and neck loop lanyard, featuring an ear speaker with a cable length of no more than 13 inches (33cm), complete this sophisticated audio reception package.

In summary, the LR-4200-072-P1 Intelligent DSP RF Receiver Package 1 is a stylish, high-tech, and innovative choice for those seeking a reliable and versatile audio reception solution, backed by the reputable Listen Technologies brand.

Listen Technologies LR-4200-072 Features

  • Complete Intelligent DSP (iDSP) receiver package includes the equipment needed to begin or expand your 72 MHz RF assistive listening system quickly
  • High-performance ListenRF receiver provides the best signal pickup and least noise of any RF system on the market
  • Ideal for adding or expanding an existing RF assistive listening system
  • Includes one (1) LR-4200-072 receiver, integrated neck loop/lanyard, and a universal ear speaker
  • Can be worn around the neck or with the belt clip, making it the most discreet listening device on the market
  • Integrated neck loop / lanyard with DSP loop driver improves the listening experience for T-coil users
  • Ideal for multi-channel applications where users need the convenience of selecting channels themselves
  • Smallest device of its kind makes it easier to wear and for venues to dispense, store and maintain
  • Advanced green battery technology reduces costs of ownership and eliminates the hassle of purchasing, changing, and disposing of alkaline batteries

Product Documents

User Manual

Key Features

  • Experience crystal-clear audio with this Listen Technologies RF receiver package.
  • Enjoy up to 8 hours of continuous use with the long-lasting lithium-ion battery.
  • Customize your listening experience with adjustable channel selection features.
  • Ensure compliance with FCC standards using this reliable assistive listening device.
  • Ideal for presentations, this receiver minimizes distortion for premium sound quality.
  • Lightweight and portable, this audio solution is perfect for on-the-go listening.

What's in the box:

  • LR-4200-072 Intelligent DSP RF Receiver (72 MHz)
  • LA-430 Intelligent Ear Phone/Neck Loop Lanyard
  • LA-401 Universal Ear Speaker
  • Lithium-Ion Battery
  • Quick Start Guide
  • Listen Technologies Lifetime Limited Warranty