Listen Technologies LS-71-072 Listen iDSP Advanced Level IV Stationary RF System 72 MHz, LT-800-072-01 Transmitter, 4x LR-5200-072 DSP RF Receiver

SKU: LTLS71072 MFR: LS-71-072
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Key Features

  • Crystal-clear audio: Experience superior sound quality with Listen iDSP technology.
  • Assistive listening system: Ideal for theaters, classrooms, & houses of worship.
  • Long-lasting battery: Enjoy up to 8 hours of continuous use with each receiver.
  • Easy to use: Intuitive controls make setup and operation a breeze for all users.
  • 72 MHz RF system: Ensures reliable connectivity and minimizes interference issues.
  • Complete audio solution: Includes transmitter, receivers, & charging accessories.
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Listen Technologies LS-71-072 Specifications

Includes

Includes

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  • Additional Included Items

    LA-122 Universal Antenna Kit Including (Grounding Base + Mounting Bracket + Wall/Electrical Box Mounting Plate + Shorting Plate + Antenna Module + (25'/7.6m) Coaxial Cable + 2x Telescoping Antenna (72 MHz) + 2x Flexible Antenna (72 MHz) + 2x Hex Kep Nuts + 2x Fiber Washer + 4x Machine Screw (#8-32x3/4") + 4x Tapping Screw (#8-1/2") + 4x Dry Anchors)

  • Additional Included Items (Contd.)

    LA-326 Universal Rack Mounting Kit Including (Left Side Bracket + Right Side Long Bracket + Right Side Short Bracket + Dual Mount Center Bracket + 10x Machine Screws)

    LA-304 Assistive Listening Notification Signage Kit Including (Hard Plaque + Static Cling Window Sticker)

    PT-A107-B Dual RCA to Dual RCA Cable (6.6'/2m)
    LA-904 Listen Dispensing Log Book

Transmitter: Audio

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  • Frequency Response

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

  • Signal-to-Noise Ratio

    SQ enabled 80 dB, SQ disabled 60 dB

  • Audio Input 1

    Rear panel, one (1) Female XLR or 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

  • Audio 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

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

    SQ on/off, process on/off, channel lock

Transmitter: Indicators

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  • LCD

    Channel designation, lock status, RF power level, programming (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)

Transmitter: RF

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  • Frequency Range

    72.025 - 75.950 MHz

  • Number of Channels

    17 wide band, 40 narrow band

  • Frequency Accuracy

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

  • Antenna Type

    Various antennas available

  • Transmitter Stability

    50 PPM

  • Transmission Range

    Up to 1000' (305m)

  • Antenna Connector

    BNC

  • Output Power

    80,000 uV at 3 m

  • Number of Simultaneous Transmitters

    6

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)

  • Power Supply Input

    100-240 VAC, 50-60 Hz, 0.4 A

  • Power Supply Output

    12 VDC, 1.3 A, 15.6 W

  • Power Supply Connector

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

  • Compliance

    UL, CE, GS, TUV, RoHS

Transmitter: Environmental

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  • Temperature - Operation

    -10 Degree C (14 Degree F) to +40 Degree C (104 Degree F)

  • Temperature - Storage

    -20 Degree C (-4 Degree F) to +50 Degree C (122 Degree F)

  • Relative Humidity

    0 to 95% relative humidity, non condensing

Transmitter: Compliance

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  • Safety

    RoHS

  • RF

    FCC Part 15, Part 90, Industry Canada

Transmitter: Physical

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  • Color

    Dark Gray with white silk screening

  • 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)

  • Compatibility

    LR-300-072, LA-125, LA-130, LA-326, LR-100-072, LR-400-072, LR-500-072, LA-277, LA-304, LR-4200-072, LR-5200-072-P1, LR-5200-072, LR-4200-072-P1, LP-40-072-01, LP-41-072-01, LP-50-072-01, LP-51-072-01, LA-303, LDS-5200-072, LDS-4200-072, LDS-4200-072-P0, LDS-4200-072-P1

  • Dimensions (W x H x D)

    8.50 x 1.7 x 9.13" (21.5 x 1.75 x 23cm)

  • Weight

    2.6 lb (1.2kg)
    with Power Supply: 3.5 lb (1.6kg)

Receiver: Audio

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  • Frequency Response

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

  • 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 Signal to Noise Ratio

    SQ enabled 80 dB, SQ disabled 60 dB

Receiver: Controls

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  • User Controls

    Power, up/down volume, Listen button for end user channel selection

  • 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

Receiver: 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

Receiver: RF

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  • Frequency Range

    72.025 - 75.950 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

Receiver: Power

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  • 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

Receiver: 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

Receiver: Compliance

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  • Standards

    FCC Part 15, Part 90, Industry Canada, RoHS

Receiver: Physical

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  • Compatibility

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

  • Color

    Black

  • Dimensions (H x W x D)

    3.75 x 2.0 x 0.64" (9.6 x 5.0 x 1.7cm)
    with Belt Clip: 3.75 x 2.0 x 0.80" (9.6 x 5.0 x 2.1cm)

  • Weight

    Without Batteries: 1.60 oz (45g)
    With Batteries: 2.40 oz (68g)

About Listen Technologies LS-71-072

Bring superior audio quality to your venue with the LS-71-072 Listen iDSP Advanced Level IV Stationary RF System 72 MHz, LT-800-072-01 Transmitter, 4x LR-5200-072 DSP RF Receiver. This high-capacity assistive listening solution is perfect for permanent installations, offering coverage up to 1500' (457.2m) and accommodating up to 100 visitors or clients.

The package includes our LT-800-072 Stationary RF transmitter and four of our high-performance LR-5200-072 iDSP receivers, providing everything you need for immediate setup. The LS-71 system also comes with our LA-381 Intelligent 12-unit charging tray, offering ample capacity for charging, storing, and managing up to twelve receivers. This high-capacity tray allows for future upgrading and expansion of your RF system as your venue's demands grow.

To ensure a comprehensive assistive listening solution, we also include an assistive listening notification signage kit, cable management unit, log book, disinfecting wipes, and more.

The LS-71-072 Listen iDSP Advanced Level IV Stationary RF System is designed to be frequency agile, capable of broadcasting on 57 channels. The RF receiver can receive on 57 wide and narrow band channels, and features a programmable multi-function Listen button that can be tuned to your venue's desired channels while electronically locking out unused ones.

The receiver boasts a signal-to-noise ratio of 80 dB or greater and an audio frequency response of 50 Hz - 15 kHz ( +/-3 dB), employing unique DSP SQTM noise reduction technology for crystal clear audio. The unit also features a programmable squelch circuit and a multi-functional display that indicates battery status, inventory number, and channel.

For user convenience, the device can be worn with a lanyard or belt clip. The lanyard option includes an integrated DSP driven neck loop that automatically senses and sends optimized audio signals directly to hearing aids and cochlear implants equipped with telecoils.

The device also features a USB connector for inventory control, setup, charging, and firmware upgrades, and incorporates automatic battery charging circuitry with a non-proprietary Lithium-ion battery. Additional charging contacts allow for multiple charging options.

With an end-to-end SNR of 80 dB or greater, the LS-71-072 Listen iDSP Advanced Level IV Stationary RF System 72 MHz, LT-800-072-01 Transmitter, 4x LR-5200-072 DSP RF Receiver from Listen Technologies Corporation is the ideal solution for providing high-quality, assistive listening in any venue.

Listen Technologies LS-71-072 Features

  • Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
  • Integrated neck loop / lanyard with DSP loop driver improves the listening experience for T-coil users
  • Smallest device of its kind makes it easier to wear and for venues to dispense, store and maintain
  • Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
  • Includes drop-in charging/dispensing station for streamlined dispensing, collecting and care of up to (12) iDSP RF listening devices
  • Ensures public venues deliver an exceptional listening experience while meeting new legislative requirements for assistive listening

Product Documents

User Manual

Key Features

  • Crystal-clear audio: Experience superior sound quality with Listen iDSP technology.
  • Assistive listening system: Ideal for theaters, classrooms, & houses of worship.
  • Long-lasting battery: Enjoy up to 8 hours of continuous use with each receiver.
  • Easy to use: Intuitive controls make setup and operation a breeze for all users.
  • 72 MHz RF system: Ensures reliable connectivity and minimizes interference issues.
  • Complete audio solution: Includes transmitter, receivers, & charging accessories.

What's in the box:

  • LT-800-072-01 Stationary RF Transmitter (72 MHz)
  • 4x LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)
  • 4x LA-430 Intelligent Earphone/Neck Loop Lanyard
  • 4x LA-401 Universal Ear Speaker
  • LA-381-01 Intelligent 12-Unit Charging Tray
  • LA-382 Intelligent Cable Management Unit
  • LA-422 USB to Micro USB Cable
  • (See Specification Section For Additional Included Items)
  • Listen Technologies Lifetime Limited Warranty