Listen Technologies LP-40-072 Intelligent DSP RF Receiver, 6x LR-4200-072 Receiver (72 MHz), LA-381-01 Charging Tray

SKU: LTLP4007201 MFR: LP-40-072-01
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Key Features

  • Crystal-clear audio: Intelligent DSP RF receiver ensures exceptional sound quality.
  • Long-lasting battery: Enjoy 8 hours of continuous use with the reliable lithium-ion battery.
  • Portable design: Lightweight receiver with compact dimensions for easy portability and use.
  • Versatile connectivity: Two 3.5mm outputs for headphones or neck loops, enhancing accessibility.
  • Easy to charge: Quickly recharge devices with the intelligent 12-unit charging tray included.
  • Assistive listening: Ideal for venues needing hearing solutions with multiple channels.
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Special Order?Estimated to Ship: 09/16/2025
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Listen Technologies LP-40-072 Specifications

Audio
  • System Distortion

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

  • Output/s

    Two (2) 0.14" (3.5mm) 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

    1.60 oz (45g)

About Listen Technologies LP-40-072

Experience superior audio performance with the LP-40-072 Intelligent DSP RF Receiver 6-Pack, an ideal solution for businesses, educational institutions, and event venues looking to enhance their existing 72 MHz RF system. This comprehensive package includes six (6) LR-4200-072 digital RF receivers, each meticulously designed to deliver exceptional assistive listening experiences.

These advanced receivers are equipped with Listen Technologies' proprietary DSP SQ (TM) noise reduction technology, ensuring crystal-clear sound by minimizing background noise. The user-friendly OLED display provides clear visibility of settings and functions, enhancing the user experience.

Each LR-4200-072 receiver is thoughtfully designed with dual 3.5 mm output jacks, allowing for versatile connectivity options. The inclusion of a micro USB connection facilitates quick and easy firmware updates using the complimentary iDSP software. This feature also simplifies the charging process and setup, making it a breeze to maintain optimal performance.

In addition to its technical prowess, the LP-40-072 Intelligent DSP RF Receiver 6-Pack is complemented by the LA-381-01 Charging Tray. This convenient accessory ensures your receivers are always ready for use, providing an organized and efficient charging solution.

Incorporate the LP-40-072 Intelligent DSP RF Receiver 6-Pack into your audio system to deliver outstanding sound quality and an enhanced listening experience for your customers, students, or event attendees.

Listen Technologies LP-40-072 Features

  • Includes six (6) LR-4200-072 industry leading RF receivers
  • Advanced DSP SQ (TM) noise reduction technology provides 20 dB less noise than other listening devices
  • Smallest device of its kind is easy to carry, wear, and use
  • OLED display provides easy channel selection, programming, and battery level monitoring
  • Environmentally friendly rechargeable batteries for extended use, easy charging, and long life

Product Documents

User Manual

Key Features

  • Crystal-clear audio: Intelligent DSP RF receiver ensures exceptional sound quality.
  • Long-lasting battery: Enjoy 8 hours of continuous use with the reliable lithium-ion battery.
  • Portable design: Lightweight receiver with compact dimensions for easy portability and use.
  • Versatile connectivity: Two 3.5mm outputs for headphones or neck loops, enhancing accessibility.
  • Easy to charge: Quickly recharge devices with the intelligent 12-unit charging tray included.
  • Assistive listening: Ideal for venues needing hearing solutions with multiple channels.

What's in the box:

  • 6x LR-4200-072 Intelligent DSP RF Receiver (72 MHz)
  • 6x LA-430 Intelligent Ear Phone/Neck Loop Lanyard
  • 6x LA-401 Universal Ear Speaker
  • 6x Non-Proprietary/Field-Replaceable Lithium-ion Battery
  • LA-381-01 Intelligent 12-Unit Charging Tray
  • Quick Start Guide
  • Listen Technologies Lifetime Limited Warranty