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  • Listen Technologies LKR-12-A0 ListenTALK Receiver Basic front
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Listen Technologies LKR-12 ListenTALK Receiver Basic

Listen Technologies LKR-12 ListenTALK Receiver Basic

SoundPro Item: 39150 | Part Number: LKR-12-A0

$237.00
$279.00 $237.00
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MSRP: $279.00 | MAP: $237.00

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  • Encrypted DECT Transmission Prevents Unauthorized Access To Group Communications
  • Frequency-Hopping Spread Spectrum Modulation Reduces Interference In Crowded RF Environments
  • Rechargeable Lithium-Ion Battery System Eliminates Disposable Cell Costs
  • Optional AAA Alkaline Compartment Provides Backup Power Without Charging Infrastructure
  • USB Programming Port Enables Centralized Configuration Management Across Device Fleets
  • Automatic Power-Down On Signal Loss Conserves Battery During Idle Periods
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Designed for professional assistive listening applications where participants require receive-only capability, this device serves tour guides, houses of worship, museums, and interpretation environments. The receiver operates on DECT frequencies with frequency-hopping spread spectrum modulation, providing interference-resistant audio transmission across indoor and outdoor venues.

Engineered for multi-user deployments, the unit incorporates 64-bit encryption alongside 32-bit authentication to prevent unauthorized listening. The rechargeable lithium-ion power system delivers 12-hour runtime, while an optional AAA alkaline compartment provides backup power in field conditions. Programming occurs via USB connection either directly or through a docking station, enabling centralized configuration management.

The 3.5mm TRRS headphone jack accepts CTIA-compliant earbuds and professional headsets, driving 16–32 ohm loads with 67 milliwatts of output power. Frequency response extends from 40 Hz to 15 kHz, suited for speech intelligibility and program audio reproduction across interpretation, worship, and guided tour scenarios.

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  • Physical
    • Dimensions (HxWxD) with Belt Clip: 10x5.4x2.4 cm (3.93x2.13x0.93”)
    • Unit Dimensions (HxWxD): 10x5.4x1.6 cm (3.93x2.13x0.63”)
    • Unit Weight: 79 g (2.79 oz.)
    • Shipping Weight: 206 g (7.20 oz) with 454 g (1.0 lbs.) minimum
    • Enclosure material: PC ABS Plastic
    • Color: Black, Chrome Buttons
    • Indicators: Variable brightness LED- Green/White multifuntion (On, Charge Status, Battery Status)
    • User Controls: Volume up, Volume down, Power/Status
    • Programming: Via software and USB port on unit or via software and USB port on Docking Station
    • Connections
      • Headset- 3.5mm TRRS, CTIA complaint
      • USB- Micro USB, Control and Charging
      • Charger- 4 Contact, Control and Charging
  • Audio
    • Headphone Output
      • Speaker Load- 16 - 32 ohm load
      • Max Output Power- 67 mW, 16 ohm load, Threshold of Clipping
    • System
      • Frequency Response- 40 Hz to 15 kHz +/- 3dB, 22kHz low pass filter
      • SNR- 70 dB, A- weighted, Threshold of Clipping
      • THD- 0.5% @ 1kHz, 22kHz low pass enabled
  • Radio
    • Operating Frequency
      • 1920 to 1930 MHz - North America
      • 1880 to 1900 MHz - Europe, Australia
      • 1895 to 1905 MHz – Japan
    • Typical Range
      • Indoor 100 m, Outdoor 200 m, depending upon conditions - North America, Japan
      • Indoor 150 m, Outdoor 300 m, depending upon conditions - Europe, Australia
    • Modulation
      • GFSK - FHSS
      • TDD/TDMA/DCA
    • Security
      • Subscription- 40 bit (Pin Free)
      • Authentication- 32 bit
      • Encryption- 64 bit
  • Power and Battery Management
    • Battery Type
      • Lithium – ion, rechargeable non-proprietary removable, 1200 mAh
      • Optional- 3 AAA Battery Compartment
    • Typical Operating Time
      • Li-ion- Participant- 12 Hours
      • AAA – Participant Mode – 7 Hours
    • Typical Charge time: 4 Hours
    • Power Save Modes
      • Power down on loss of signal
      • Power down on disconnection of headphone (1 min)
      • Power down on charging
  • Environmental
    • Temperature
      • Operation- -10°C (14°F) to 40°C (+104°F)
      • Storage- -20°C (-4°F) to 50°C (+122°F)
    • Relative Humidity: 0 to 95% relative humidity, non-condensing
  • Compliance StandardsFCC part 15, ICS-03, CE, RCM, MIC, RoHS, WEEE

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