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Listen Technologies (LS-57-072) RF System (LS-57-072) - Stationary

iDSP Advanced Level II (72 MHz)

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What's in the box:

  • Listen Technologies iDSP Advanced Level II Stationary RF System (72 MHz)
  • Stationary RF Transmitter (72 MHz)
  • LA-122 Univeral Antenna Kit (72 and 216 MHz)
  • LA-326 Universal Rack Mounting Kit
  • 4 x Advanced Intelligent DSP RF Receiver (72 MHz)
  • 4 x LA-401 Universal Ear Speaker (Dark Gray)
  • 2 x Intelligent Ear Phone Neck Loop Lanyard
  • 6.6' Dual RCA to Dual RCA Cable
  • LA-304 Assistive Listening Notification Signage Kit
  • 4-Port USB Wall Charger


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Listen Technologies' LS-57 comes equipped with the LR-5200-072 receiver, is their new generation of personal listening products, iDSP or Intelligent Digital Signal Processing. The new integrated neck loop improves the experience for people who have hearing aids and cochlear implants with telecoils. Sleek and small, the iDSP receiver has a field replaceable, non-proprietary rechargeable lithium-ion battery, making obsolete the use of alkaline and NiMH batteries. The result is an innovative personal listening technology and solution that delivers an exceptional listening experience for end users and an optimal experience for the venues that provide listening devices.


  • 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
  • Limited Lifetime Warranty with hassle-free support
  • Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
  • Ensures public venues deliver an exceptional listening experience while meeting new legislative requirements for assistive listening

Specifications for the Listen Technologies (LS-57-072) RF System

{ "Included" : [ "One (1) LT-800-072-01 Stationary RF Transmitter (72 MHz)", "One (1) LA-122 Universal Antenna Kit (72 MHz and 216 MHz)", "One (1) LA-326 Universal Rack Mounting Kit", "Four (4) LR-5200-072 Advanced Intelligent DSP RF Receiver (72 MHz)", "Four (4) LA-401 Universal Ear Speaker", "Two (2) LA-430 Intelligent Earphone/Neck Loop Lanyard", "One (1) LA-423 4-Port USB Charger", "One (1) LPT-A107-B Dual RCA to Dual RCA Cable 6.6 ft. (2 m)", "One (1) LA-304 Assistive Listening Notification Signage Kit" ], "Physical" : { "Shipping Weight" : "19.0 lbs. (8.62 kg)" } }

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