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Listen Technologies LS-30 Listen iDSP Essentials Starter Stationary RF System, Includes LR-3200-072 Intelligent DSP RF Receiver, 72 MHz

SKU: LTLS30072 MFR: LS-30-072
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Key Features

  • Experience crystal-clear audio with the Listen iDSP RF system, perfect for presentations.
  • Ensure everyone hears with this assistive listening system, enhancing audience engagement.
  • Enjoy wideband RF transmission for superior sound quality in any venue with this system.
  • The LR-3200 RF receiver offers reliable performance, ensuring clear audio for all listeners.
  • Use the included ear speakers and extension cables for a personalized listening experience.
  • Recharge devices easily with the 4-port USB charger, keeping your system ready to use.
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Special Order?Estimated to Ship: 09/06/2025
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Listen Technologies LS-30 Specifications

Includes

Includes

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  • Additional Included Items

    4x LA-422 USB to Micro USB Cable
    Hard Plaque
    Static Cling Window Sticker

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)

Telescoping Antenna: RF

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  • Frequency Range

    72.025 - 75.950 MHz

  • Number of Channels

    57 (17 wide, 40 narrow)

  • Typical Range

    Range up to 198 m / 650 ft

Telescoping Antenna: Physical

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  • Compatibility

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

  • Dimensions (Dia x L)

    0.31 x 39" (1.30 x 99cm)

  • Weight

    1.10 oz (31g)

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)

Ear Speaker

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  • Frequency Response

    20 Hz - 20 kHz

  • Impedance

    32 ohm +/- 15% @ 1 kHz

  • Input Sensitivity

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

  • Power Input

    Rated: 50 mW
    Max: 100 mW

  • Connector/s

    Male 3.5 mm (TRS)

  • Standards

    RoHS

  • Color

    Dark Gray

  • Compatibility

    Portable Digital RF Receiver (72 MHz)
    IR Lanyard 4-Channel Receiver
    Standard 3-Channel RF Receiver (72 MHz)
    Portable Display RF Receiver (72 MHz)
    Intelligent DSP IR Receiver
    Advanced Intelligent DSP IR Receiver

  • Cable Length

    13" (33cm), extension cable is 28" (71cm)

  • Weight

    0.40 oz (11g)

Lanyard

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  • Connection to Receiver

    Male 3.5 mm (TRRS) to Male 3.5 mm (TRRS)

  • Connection to Short Ear Phone

    Female 3.5 mm (TRS)

  • Neck Loop Field Strength

    400 mA/m (+/- 3dB)

  • Neck Loop Frequency Response

    100Hz to 5kHz (+/- 3 dB ref 1kHz)

  • Standards

    RoHS, IEC60118-4

  • Color

    Black

  • Cord Length

    29" (74cm)

  • Weight

    1.50 oz (43g)

RCA Cable

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  • Connectors

    Dual RCA (male) to Dual RCA (male)

  • Cable Length

    6.6' (2m)

  • Weight

    1.75 oz (49g)

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)

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)

About Listen Technologies LS-30

Where advanced technology meets accessibility, the LS-30 Listen iDSP Essentials Starter Stationary RF System stands out. This high-tech system is designed to meet the requirements of the 2010 Americans with Disabilities Act, providing a superior listening experience for venues with a seating capacity of less than 50 people.

The LS-30 system is a comprehensive package that includes everything needed to ensure legislative compliance while enhancing audio accessibility for your clients and customers. At the heart of the system is the LT-803-072 Stationary 3-Channel RF Transmitter (72 MHz), a versatile device that can accommodate a wide range of audio sources, from mixers and microphones to MP3 players. Its Look & Listen LCD display provides real-time information about channel, lock, and RF power, ensuring optimal performance.

The package also includes the LA-106 Telescoping Top Mounted Antenna (72 MHz), designed for extended coverage and easy installation. This antenna is compatible with the 72 MHz version of our LT-800 transmitter, offering improved transmission range for installations with ample clearance for full extension.

The LR-3200 Basic DSP RF Receiver (72 MHz) is another key component of the LS-30 system. This receiver, part of our Intelligent Digital Signal Processing (iDSP) line, offers outstanding audio clarity and quality with the best range and reception in its class. It's the smallest device of its kind, making it easy to wear and use. The receiver also features an integrated neck loop/lanyard and a DSP loop driver for an enhanced T-coil listening experience.

The LA-401 Universal Ear Speaker offers high-quality audio performance and freedom of movement. Its open design allows the wearer to hear outside sounds as well as the transmitted audio, making it a truly universal solution. The speaker can be used with the integrated neck loop/lanyard, worn around the neck, on a belt clip, or concealed in a pocket.

The LA-430 Intelligent Ear Phone/Neck Loop Lanyard incorporates an advanced DSP loop driver for an outstanding listening experience. It's designed to provide industry-leading assistive listening for individuals with telecoil-equipped hearing aids and cochlear implants.

The package also includes the LPT-A107-B Dual RCA to Dual RCA Cable for connecting audio between two units, the LA-423 4-Port USB Charger for simultaneously charging up to four Listen iDSP products, and the LA-304 Assistive Listening Notification Signage Kit to help you achieve compliance with assistive listening regulations.

In summary, the LS-30 Listen iDSP Essentials Starter Stationary RF System is a sophisticated, state-of-the-art solution for venues seeking to provide an enhanced listening experience while meeting legislative requirements.

Listen Technologies LS-30 Features

  • Ensures public venues meet new 2010 ADA requirements and deliver an enriched listening experience
  • Easily switches between three different channels
  • Economical price - backed by Listen's exceptional service and support
  • Reliable clear sound quality - 62 dB SNR

Product Documents

User Manual

Key Features

  • Experience crystal-clear audio with the Listen iDSP RF system, perfect for presentations.
  • Ensure everyone hears with this assistive listening system, enhancing audience engagement.
  • Enjoy wideband RF transmission for superior sound quality in any venue with this system.
  • The LR-3200 RF receiver offers reliable performance, ensuring clear audio for all listeners.
  • Use the included ear speakers and extension cables for a personalized listening experience.
  • Recharge devices easily with the 4-port USB charger, keeping your system ready to use.

What's in the box:

  • LT-803-072-01 3-Channel RF Transmitter (72 MHz)
  • Power Supply
  • LA-106 Telescoping Top Mounted Antenna (72 MHz)
  • 2x LR-3200 Intelligent DSP RF Receiver (72 MHz)
  • 2x LA-401 Universal Ear Speaker
  • 2x LA-434 Earphone Extension Cable
  • 2x LA-430 Intelligent Ear Phone/Neck Loop Lanyard
  • LPT-A107-B Dual RCA to Dual RCA Cable 6.6' (2m)
  • LA-423-01 4-Port USB Charger
  • Quick Reference Card
  • (See Specification Section for Additional Included Items)
  • Listen Technologies 5 Year Limited Warranty