Listen Technologies LP-4VP-072 Assistive Listening DSP Value Package, Includes LT-803-072 Stationary 3-Channel RF Transmitter, 72 MHz

SKU: LTLP4VP07201 MFR: LP-4VP-072-01
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Key Features

  • Ensure crystal-clear audio for all with this assistive listening system, great sound!
  • Expand accessibility with this 72 MHz RF transmitter; ideal for theaters and auditoriums.
  • Enjoy up to 24 hours of continuous use with our long-lasting RF receiver battery life.
  • Easily charge multiple receivers at once with the included 4-port USB charger; very efficient.
  • Provide a comfortable listening experience with the lightweight single ear buds included.
  • Clearly display your assistive listening options with the provided signage kit; user-friendly.
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Special Order?Estimated to Ship: 09/07/2025
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Listen Technologies LP-4VP-072 Specifications

RF Transmitter: Audio

RF Transmitter: Audio

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  • Frequency Response

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

  • Signal-to-Noise Ratio

    62 dB (A-Weighted)

  • Audio

    Input 1: Rear panel, one (1) Female XLR and 1/4 in combo connector, balanced, 0 / -55 dBu (line/mic) nominal input level adjustable, -30 / +21 dBu (line/mic) maximum input level, impedance 20k / 1k ohm (line/mic), phantom power +12 VDC
    Input 2: Rear panel, two (2) phono connectors, unbalanced, -10 / +10 dBu nominal input level adjustable, +30 dBu maximum, impedance 100k ohm

  • Audio Processing

    Compression can be turned on/off. Slope internally adjustable from 1:1 to 4:1. Default 2:1

  • Contour

    Cuts and boosts frequencies above 5 kHz

  • Distortion

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

  • Audio Output

    Input 1 and input 2, mixed output (rear panel), two (2) phono connectors, unbalanced, -10 dBu nominal output level, +15 dBu maximum, impedance 10 ohm

  • Headphone Output

    Front panel, one (1) 3.5 mm (0.14 in.) stereo connector, unbalanced, adjustable output level, +3 dBu maximum, impedance 10 ohm

RF Transmitter: Controls

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  • User Controls

    Front Panel: Power, Test Tone on/off, Channel up/down, Input Levels, Mix Level, Contour, Monitor volume controlRear Panel: Input 1 Level, (Line, Mic, Mic-Phantom Power), Input 2 level (-10 / +10 dBu), RF power level (low, mid, high)

  • Internal Adjustments

    Compression ratio for audio processor

  • Programming

    Process on/off, channel lock

RF Transmitter: Indicators

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  • LCD

    Channel Designation, lock status, RF power level (front panel)

  • Audio Input Status LEDs

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

  • Processing

    Indicated by a green LED when on (front panel)

  • Test Tone

    Red LED illuminates when test tone is enabled

  • RF Power

    Indicated on the LCD (low, mid, high)

RF Transmitter: RF

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  • Frequency Range

    (A) 72.100, (E) 72.900, (H) 75.900

  • Number of Channels

    3 wide band

  • Frequency Accuracy

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

  • Antenna Type

    Various antennas available

  • Transmitter Stability

    50 PPM

  • Transmission Range

    Up to 305 m (1,000 ft.)

  • Antenna Connector

    BNC

  • Output Power

    80,000 uV at 3 m

RF Transmitter: Power

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  • Power Supply

    In line power supply, Listen part number LA-207 (Line cord is determined by the each Country's AC power standards)
    Input: 100-240 VAC, 50-60 Hz, 0.4 A
    Output: 12 VDC, 1.3 A, 15.6 W

  • Power Supply Connector

    5.0 mm (0.02 in.) OD, 2.5 mm (0.01 in.) ID, barrel type

  • Compliance

    UL, CE, GS, TV, RoHS

RF Transmitter: Environmental

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  • Temperature

    Operation: 14 to 104 Degree F (-10 to 40 Degree C)
    Storage: -4 to 122 Degree F (-20 to 50 Degree C)

  • Relative Humidity

    0 to 95% relative humidity, non-condensing

RF Transmitter: Compliance

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  • RF

    FCC Part 15, Part 90, Industry Canada

RF Transmitter: Physical

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  • Color

    Dark Gray with white silk screening

  • Compatibility

    Remote Antenna Kit 25 ft. (7.6 m)
    Standard 3-Channel RF Receiver (72 MHz)

  • Rack Mounting

    One (1) rack space height, 1/2 rack space wide. One (1) or two (2) transmitters can be mounted in one rack space,optional rack mount (LA-326)

  • Dimensions (W x H x D)

    8.50 x 1.75 x 9.13" (21.5 x 4.5 x 23cm)

  • Weight

    With Power Supply: 4.5 lb (2kg)
    Without Power Supply: 2.6 lb (1.2kg)

Helical Antenna

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  • Connector/s

    BNC

  • Frequency Range

    72.0250 - 75.9750 MHz

  • Number of Channels

    57 (17 wide, 40 narrow)

  • Typical Range

    Range up to 122 m / 400 ft.

  • Color

    Dark Gray

  • Compatibility

    Stationary RF Transmitter (72 MHz)
    Stationary 3-Channel RF Transmitter (72 MHz)

  • Dimensions (Dia x L)

    0.44 x 8.25" (1.10 x 21cm)

  • Weight

    1.60 oz (45g)

DSP RF Receiver: Audio

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  • System Distortion

    < 1% total harmonic distortion (THD) at 80% deviation

  • Output/s

    Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 50 mW maximum, impedance 32 ohm

  • System Frequency Response

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

  • System Signal to Noise Ratio

    SQ disabled 70 dB, SQ enabled 80 dB

DSP RF Receiver: 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

DSP RF Receiver: Indicators

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  • LEDs

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

DSP RF Receiver: RF

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  • Frequency Range

    72.0250 - 75.9500 MHz

  • Number of Channels

    Basic Mode: 3 wide Band, Expand Mode: 17 wide 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

    Fixed level, automatic on loss of RF signal

  • Antenna Type

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

DSP RF Receiver: Power

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  • Battery Type

    Lithium Ion 3.7 Vdc, 1200 mAh

  • Battery Life

    24 Hours of continuous use

  • Battery Charging Time

    Fully charged in 2.5 Hours

  • Power Supply

    Micro USB connector, 5 V, 500 mA

DSP RF Receiver: Environmental

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  • Temperature

    Operation: 14 to 104 Degree F (-10 to 40 Degree C)
    Storage: -4 to 122 Degree F (-20 to 50 Degree C)

  • Relative Humidity

    0 to 95% relative humidity, non-condensing

DSP RF Receiver: Compliance

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  • Standards

    FCC Part 15 Class B, Industry Canada ICES-3 (B), RoHS

DSP RF Receiver: Physical

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  • Color

    Black

  • Compatibility

    Stationary RF Transmitter (72 MHz)
    Portable Display RF Transmitter (72 MHz)
    Stationary 3-Channel RF Transmitter (72 MHz)

  • 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: 1.60 oz (45g)
    With Batteries: 2.40 oz (68g)

Single Ear Bud

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  • Frequency Response

    20 Hz - 20 kHz

  • Impedance

    32 ohm +/- 15% @ 1 kHz

  • Headset Input Sensitivity

    82 dB +/- 4dB @ 1 kHz, 1 mW

  • Power Input

    Rated: 10 mW
    Max: 20 mW

  • Connectors

    3.5 mm Mono

  • Safety

    RoHS

  • Color

    Dark Gray

  • Compatibility

    Listen Disinfecting Wipes (Cylinder 75 CT)

  • Cable Length

    36" (92cm)

  • Weight

    4 oz (113g)

Signage Kit

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  • Compatibility

    Stationary RF Transmitter (72 MHz)
    Stationary 3-Channel RF Transmitter (72 MHz)
    ListenIR 1-Channel Transmitter
    Portable Display RF Transmitter (72 MHz)
    Portable Display RF Transmitter (216 MHz)

  • Dimensions

    Hard Plaque: 7 x 10" (178 x 254mm)
    Soft Cling: 7 x 10" (178 x 254mm)

  • Weight

    6 oz (170g)

USB Charger

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  • Power Supply

    Input: 100-240 V, 50-60 Hz, 0.5 A
    Output: 5.0 VDC, 4.2 A

  • Standards

    UL, FCC, RoHS

  • Color

    Black

  • Compatibility

    USB to Micro USB Cable

  • Cable Length

    36" (92cm)

  • Cable Type

    4 - USB to Micro USB Cables (LA-422)

  • Dimensions (H x W x D)

    2.44 x 2.90 x 1.13" (62 x 74 x 29mm)

  • Weight

    7.80 oz (221g)

  • UPC Code

    819267025899

About Listen Technologies LP-4VP-072

Let the LP-4VP-072 Assistive Listening DSP Value Package be the cornerstone of your assistive listening system, offering an affordable yet high-quality solution for environments such as classrooms, theaters, business meetings, and training sessions. This comprehensive package includes the advanced LT-803-072 Stationary 3-Channel RF Transmitter, operating at 72 MHz, which is designed to deliver clear, reliable audio to multiple listeners simultaneously.

The LT-803-072 transmitter is a user-friendly choice for venues requiring up to three channels of audio. With universal inputs, it easily connects to a variety of audio sources, including mixers, microphones, and MP3 players. The innovative Look & Listen LCD display provides instant visual feedback on channel status, lock, and RF power, ensuring effortless management of the system. Included with the transmitter is a power supply for immediate setup and use.

Features of the LT-803-072 include:
- A durable, feature-rich design that supports basic assistive listening needs.
- A three-channel configuration for simple installation and operation.
- 100% digital audio transmission for high-quality, stable signal delivery.
- Compatibility with an extensive range of Listen Technologies accessories.

The LA-123 90 Degree Helical Antenna enhances the system's performance with exceptional coverage of up to 600 ft (182.88 m), ensuring that every participant receives a strong signal. This antenna is designed to connect via a BNC connector and is compatible with 72 MHz Listen Technologies equipment, including the LT-800 transmitter and LR-100 receiver/amplifier.

The LR-3200-072 Intelligent DSP RF Receiver is a testament to Listen Technologies' commitment to innovative and high-quality assistive listening devices. As part of the iDSP product line, this receiver is notably compact, making it unobtrusive for the wearer. It features an integrated neck loop/lanyard and a DSP loop driver, enhancing the listening experience for users with T-coil-equipped hearing aids. The dual 3.5mm output jacks allow for shared use, while the micro USB connection supports charging and programming via free iDSP software.

Additional features of the LR-3200-072 receiver include:
- Best-in-class sensitivity and sound for an unparalleled audio experience.
- A lightweight design that is both comfortable to wear and easy for venues to manage.
- Advanced Lithium-ion rechargeable batteries for long-lasting, reliable power.

The LA-161 Single Ear Bud provides a friction fit and comes with a replaceable cushion for hygiene and comfort. It is compatible with all Listen Technologies receivers, offering an economical listening option.

To ensure your venue meets assistive listening regulations and informs visitors of the system's availability, the LA-304 Assistive Listening Notification Signage Kit is included. This kit contains a hard placard sign and a window cling, both designed for high visibility placement.

Lastly, the LA-423 4-Port USB Charger simplifies the charging process for up to four iDSP devices simultaneously. Its compact design, fold-away plug blades, and LED power indicator make it ideal for smaller venues.

Enhance the listening experience for your audience with the LP-4VP-072 Assistive Listening DSP Value Package, a comprehensive, user-friendly, and reliable solution from Listen Technologies.

Listen Technologies LP-4VP-072 Features

  • Economical price - backed by Listen's exceptional service and support
  • Three channels - makes it simple to install, manage and use
  • Reliable clear sound quality - 62 dB SNR
  • Ensures public venues meet ADA requirements

Product Documents

User Manual

Key Features

  • Ensure crystal-clear audio for all with this assistive listening system, great sound!
  • Expand accessibility with this 72 MHz RF transmitter; ideal for theaters and auditoriums.
  • Enjoy up to 24 hours of continuous use with our long-lasting RF receiver battery life.
  • Easily charge multiple receivers at once with the included 4-port USB charger; very efficient.
  • Provide a comfortable listening experience with the lightweight single ear buds included.
  • Clearly display your assistive listening options with the provided signage kit; user-friendly.

What's in the box:

  • LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz)
  • Power Supply
  • LA-123 90 Degree Helical Antenna (72 MHz)
  • 4x LR-3200-072 RF Receiver (72 MHz)
  • 4x LA-161 Single Ear Bud
  • Hard Plaque
  • Static Cling Window Sticker
  • LA-423 4-Port USB Charger
  • 4x LA-422 USB to Micro USB Cable
  • Quick Reference Card
  • Listen Technologies Lifetime Limited Warranty