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  • Visit Us: 8400 Menaul Blvd, Suite F, Albuquerque, NM 87112

ListenIR iDSP Portable FM System

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Listen Technologies

 Product Description

This portable IR system is perfect for venues looking to offer hard of hearing visitors or employees a secure and enhanced listening experience. The iDSP is pre-configured easy to set-up and includes everything needed for assistive listening compliance of venues with a capacity of up to 50 seats. Use in court rooms conference rooms classrooms boardrooms or basically anywhere temporary assistive listening system is needed.


  • Four frequencies provide flexibility in the field: 2.3MHz 2.8MHz 3.3MHz or 3.8MHZ

  • Top of the line performance ensures crystal clear sound for listeners

  • Outstanding gap less coverage of up to 30 000ft2 line-of-sight

  • Flexible connectivity of transmitter: Mic RCA stereo input or Phoenix line level input

  • Rechargeable receivers: 8 hours of use with Li-ion battery

  • Includes 2 receivers with neckloops and ear speakers – add users by purchasing additional receivers (see accessories tab)

  • Add up to four expansion radiators per LT-84 transmitter-radiator to expand range by 30 000ft2 each

  • A Windows compatible program is available to download off Listen’s website that allows you to program the units keep track of inventory and receive software updates

  • Meets requirements of IBC and ADA standards for small-to-medium rooms up to a capacity of 50


  • LT-84 two-channel transmitter-radiator with mounting hardware

  • Multi-Linguistic legislative compliance sign

  • 2 LR-4200 Intelligent iDSP receivers

  • 2 LA-430 dual purpose neckloop lanyards with 3.5mm jack for ear speakers

  • 2 LA-401 Universal Ear Speakers

  • 1 LA-277 conference microphone

  • 1 LA-338 Table Top Tripod

  • 1 LA-346 Carry Case

  • 1 LA-423 4-Port USB Charger


 Warranty Information

Limited lifetime manufacturer's warranty

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Contact Us

  • Call Us: (505)299-7777 / (877)287-0608
  • Visit Us: 8400 Menaul Blvd, Suite F
  • Albuquerque, NM 87112
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