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Listen Technologies LS-08-072 15-Advanced Portable RF System, Includes LT-700 Transmitter, 15x LR-500 Receiver, 72 MHz

SKU: LTLS0807201

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Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.

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Repair or Replacement

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Accidental Damage

Protect your product from drops, spills, and more.

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Malfunction Protection

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Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.

Listen Technologies LS-08-072 Specifications

Transmitter: Audio

Transmitter: Audio

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  • Frequency Response

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

  • Signal-to-Noise Ratio

    SQ enabled: 80dB; SQ disabled 60dB

  • Distortion

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

  • Microphone Input

    Unbalanced, tip of 3.5 mm connector, -45 dBu nominal input level, -30 dBu maximum, impedance 20k Ohms

  • Microphone Sensitivity

    Three position switch: high, middle, and low; 6db increments

  • Microphone Power

    5VDC Bias

  • Line Input

    Unbalanced, ring of 3.5mm connector, -10 dbu nominal input level, -3 dbu maximum, impedance 10K ohms

Transmitter: Controls

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  • User Controls

    Power, mute, channel UP/DOWN, Mic sensitivity, NiMH/alkaline battery, SQ enable/disable

  • Programming

    Channel Lock out,Channel lock

Transmitter: Indicators

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  • LCD

    Channel Designation, lock status, signal strength indication, battery life, RF Power

  • LEDs

    Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when muted

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 to 122 Degree F (0 to 50 Degree C)

  • Antenna Type

    Microphone cable

  • Transmitter Stability

    50 PPM

  • Transmission Range

    From 0 to 150' (45.7m)

  • Antenna Connector

    3.5 mm connector

  • Output Power

    Less than 10mW

  • Number of Simultaneous Transmitters

    6

Transmitter: Power

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  • Power Supply

    I/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply not included (LA-208)

  • Power Supply Connector

    2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive < 250mA. Drop in contact points for use with Listen charging cases

  • Battery Type

    Two AA batteries, alkaline or NiMH

  • Battery Life

    15 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)

  • Battery Charging Time

    Fully automatic, 13 hours

  • Compliance

    RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant

Transmitter: 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

Transmitter: Compliance

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  • RF

    FCC Part 15, Industry Canada

Transmitter: Physical

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  • Door

    Manually lockable, controls accessible through doors

  • Color

    Dark Gray with white silk screening

  • Compatibility

    LR-100-072, LR-400-072, LR-500-072, LA-208, LA-277, 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, LDS-5200-072, LDS-4200-072, LDS-4200-072-P0, LDS-4200-072-P1

  • Dimensions (W x H x D)

    3 x 5 x 1" (7.6 x 13 x 2.5cm)

  • Weight

    Without Batteries: 3.9 oz (111g)
    With Batteries: 5.8 oz (164g)

Receiver: Audio

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  • Frequency Response

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

  • Signal-to-Noise Ratio

    SQ enabled: 80dB; SQ disabled 60dB

  • Audio Output Jacks

    3.5mm connectors, unbalanced, 0dBu nominal output level, 16mW maximum, impedance 32 Ohms

  • Distortion

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

Receiver: Controls

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  • User Controls

    Channel up/down, SEEK, volume, Alkaline/NiMH batteries, SQ enable/disable

  • Programming

    Channel lock, squelch, channel lock out

Receiver: Indicators

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  • LCD

    Channel Designation, lock status, signal strength indication, programming

  • LEDs

    Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when locked and SEEK is pushed.

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 earphone cable

Receiver: Power

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  • Power Supply

    I/P 120VAC; O/P 7.5VDC 250 mA; Drop in contact points for use with charging cases. Power supply not included (LA-208)

  • Power Supply Connector

    2.3mm OD by 0.7mm ID, barrel type connector 7.5 VDC, center positive < 250mA. Drop in contact points for use with Listen charging cases

  • Battery Type

    Two AA batteries, alkaline or NiMH

  • Battery Life

    30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)

  • Battery Charging Time

    Fully automatic, 13 hours

  • Compliance

    RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB compliant

Receiver: Environmental

Jump to...
  • 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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  • RF

    FCC Part 90, Industry Canada

Receiver: Physical

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  • Compatibility

    LT-800-072-01, LT-700-072, LA-208, LA-904, LA-902, LA-901, LDS-800-072-01

  • Color

    Dark Gray with White Silk Screening

  • Door

    Manually Lockable. Up, down, and power buttons through door. Other controls behind door (see controls)

  • Dimensions (W x H x L)

    5 x 3 x 1" (13 x 7.6 x 2.5cm)

  • Weight

    Without Batteries: 3.9 oz (111g)
    With Batteries: 5.8 oz (164g)

About Listen Technologies LS-08-072

Designed for organizations and venues where multiple tours or simultaneous language interpretation is needed, the LS-08 15-Person Advances Tour Group RF System is the perfect choice. In addition to the portable transmitter, microphone, and charging/carrying case, the LS-08 includes 15 programmable display receivers that can be set to exclude or include specific broadcast channels depending on your venue's needs. The ability to program channels makes the LS-08 a perfect solution for any space where multiple audio streams need to be transmitted at the same time.

Additional receivers can be added as well, allowing you to expand the system to meet growing demand. With a 100% digital signal for outstanding clarity and consistency, SmartCharge (TM) battery technology, and more, the LS-08 is an industry-leading system to bring assistive listening to your clients and customers immediately.

These products are approved by the FCC for use in the US. Please note that they cannot be used in all countries. Check with your local government or specific regulation with regard to broadcast frequency in your specific country. Note: FCC rules limit the use of this product to assistive listening.

Listen Technologies LS-08-072 Features

  • Complete, portable digital listening system with programmable receivers for up to fifteen (15) listeners
  • Ideal for multi-channel applications including simultaneous language interpretation, guided tours, museum exhibits, and more
  • Transmitter, microphone, receivers, batteries, ear speakers and carrying case all included
  • 100% digital audio for solid, reliable signal transmission
  • Expandable to meet growing needs
  • Designed for use indoor or outdoors

Key Features

  • Transmitter, microphone, receivers, batteries, ear speakers and carrying case all included
  • 100% digital audio for solid, reliable signal transmission
  • Expandable to meet growing needs
  • Designed for use indoor or outdoors

What's in the box:

  • LT-700-072 Portable Display RF Transmitter (72 MHz)
  • LA-278 Behind-the-Head Microphone
  • 15x LR-500-072 Portable Programmable Display RF Receiver (72 MHz)
  • 15x LA-164 Ear Speaker
  • LA-311 16-Unit Portable RF Product Charging/Carrying Case
  • 16x LA-362 Rechargeable AA NiMH Batteries (2)
  • Listen Technologies Lifetime Limited Warranty