Listen Technologies LS-55-216 Listen iDSP Prime Level III Stationary RF System, LT-800-216 Transmitter, 4x LR-4200-216 Receiver, LA-381-01 Charging Tray, 216 MHz

SKU: LTLS55216 MFR: LS-55-216
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Key Features

  • Crystal-clear audio: Experience superior sound quality with this assistive listening system.
  • Universal compatibility: Seamlessly integrates with existing audio systems via RCA inputs.
  • Enhanced accessibility: Perfect for theaters, classrooms, and houses of worship needing audio solutions.
  • Long-lasting battery: Enjoy up to 8 hours of continuous use with the efficient receiver battery.
  • Easy to use: Intuitive controls and clear LCD display make operation simple for all users.
  • Complete assistive listening system: Includes transmitter, receivers, and charging tray for convenience.
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Listen Technologies LS-55-216 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 (Terminated with BNC Connectors on Both Ends) + 2x Telescoping Antennae (216 MHz) + 2x Flexible Antenna (216 MHz) + 2x Hex Kep Nuts + 2x Fiber Washer + 4x Machine Screw (#8-32 x3/4") + 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)

Transmitter: Audio

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  • Frequency Response

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

  • Signal-to-Noise Ratio

    SQ enabled 70 dB, SQ disabled 50 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) 3.5mm (0.14") 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

    216.0125 - 216.9875 MHz

  • Number of Channels

    19 wide band, 38 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 3,000 ft. (914 m)

  • Antenna Connector

    BNC

  • Output Power

    100 mW (max allowed by FCC)

  • Number of Simultaneous Transmitters

    3

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

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

  • Temperature - Storage

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

  • 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)

  • Compatability

    LA-130, LA-326, LA-277, LA-304, LR-100-216, LR-400-216, LR-500-216, LR-5200-216-P1, LR-5200-216, LR-4200-216-P1, LR-4200-216, LP-40-216, LP-41-216, LP-50-216, LP-51-216, LA-303

  • Dimensions (W x H x D)

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

  • Weight

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

Receiver: Audio

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  • System Distortion

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

  • Output/s

    Two (2) 3.5mm (0.14") 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 70 dB, SQ disabled 50 dB

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

Receiver: Indicators

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  • LEDs

    White, illuminated when unit is on, 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

    216.0125 - 216.9875 MHz

  • Number of Channels

    19 wide band, 38 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

  • Battery Life

    8 Hours of continuous use

  • Battery Charging Time

    Fully charged in 2 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-800-216-01, LT-700-216

  • Color

    Dark Gray

  • Dimensions (H x W x D)

    Without Belt Clip: 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: 1.6 oz (45.4g)
    With Batteries: 2.4 oz (68.1g)

About Listen Technologies LS-55-216

It's the LS-55-216 Listen iDSP Prime Level III Stationary RF System, a sophisticated and comprehensive audio solution for larger venues requiring extended range. This advanced system features the LT-800-216 RF Transmitter and a universal antenna kit, ensuring robust coverage for your listening center. The package includes four high-tech LR-4200-216 iDSP RF receivers and universal ear speakers, providing immediate access to high-performance assistive listening services.

The LS-55 system also boasts the LA-381-01 Drop-in Charging/Dispensing Station, capable of charging, storing, and managing up to twelve receivers. This high-capacity station simplifies the process of upgrading and expanding your RF system as your venue's demands grow.

Each LS-55 package comes with an assistive listening notification signage kit, ensuring all visitors are aware of the availability of your assistive listening system and helping you meet legal compliance requirements.

The LS-55-216 Listen iDSP Prime Level III Stationary RF System is designed to furnish and install an RF wireless assistive listening system for use by the hearing-impaired. Capable of broadcasting on 57 channels, this frequency-agile system features an RF receiver that can receive on 57 wide and narrow band channels.

The receiver has a signal-to-noise ratio of 70 dB or greater and an audio frequency response of 50 Hz - 15 kHz ( +/-3 dB). It employs unique DSP SQ noise reduction technology and a programmable squelch circuit. The multi-functional display indicates battery status, inventory number, and channel.

The device can be worn with a lanyard or belt clip and features 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 LS-55-216 Listen iDSP Prime Level III Stationary RF System also includes a USB connector for inventory control, setup, charging, and firmware upgrades. It uses a non-proprietary Lithium-ion battery and incorporates automatic battery charging circuitry. With a 70 dB SNR or greater, end-to-end, this system is a testament to the high-quality audio equipment provided by Listen Technologies Corporation.

Listen Technologies LS-55-216 Features

  • Full-featured 216 MHz RF system package including LT-800-216 transmitter and four iDSP receivers
  • Universal antenna kit and rack mounting kit make it easy to install and configure for virtually any permanent installation
  • Includes four universal ear speakers and two integrated neck loops/lanyards
  • 12-slot charging tray, compliance signage, and RCA cable also included for immediate set up

Product Documents

User Manual

Key Features

  • Crystal-clear audio: Experience superior sound quality with this assistive listening system.
  • Universal compatibility: Seamlessly integrates with existing audio systems via RCA inputs.
  • Enhanced accessibility: Perfect for theaters, classrooms, and houses of worship needing audio solutions.
  • Long-lasting battery: Enjoy up to 8 hours of continuous use with the efficient receiver battery.
  • Easy to use: Intuitive controls and clear LCD display make operation simple for all users.
  • Complete assistive listening system: Includes transmitter, receivers, and charging tray for convenience.

What's in the box:

  • LT-800-216 Stationary RF Transmitter (216 MHz)
  • 4x LA-401 Universal Ear Speaker
  • 2x LA-430 Intelligent Earphone/Neck Loop Lanyard
  • LA-381-01 Intelligent 12-Unit Charging Tray
  • LPT-A107-B Dual RCA to Dual RCA Cable (6.6'/2m)
  • 4x LR-4200-216 Intelligent DSP RF Receiver (216 MHz)
  • (See Specification Section for Additional Included Items)
  • Listen Technologies Lifetime Limited Warranty