Listen Technologies Stethoscope-Style IR 4-Channel Receiver

Listen Technologies Stethoscope-Style IR 4-Channel Receiver

Listen Technologies Stethoscope-Style IR 4-Channel Receiver

B&H # LILR42 MFR # LR-42
Listen Technologies Stethoscope-Style IR 4-Channel Receiver

Listen Technologies Stethoscope-Style IR 4-Channel Receiver Detail View

Detail View

Show MoreLess


Now Viewing:

Special Order
Expected availability: 3-7 business days

Style: Stethoscope-Style


Special Order


This item is noncancelable and nonreturnable

$0.00 Tax Collected Outside NY and NJ

You Pay: $169.00

Add to Wish List Item in Wish List
  • 1Description

This Stethoscope-Style IR 4-Channel Receiver from LISTEN Technologies can receive up to four channels in mono or stereo. The LR-42 delivers audio specs in a small package and is compatible with other manufacturers' products. It complies with government requirements such as ADA, assistive listening and language interpretation, as well as live theater, houses of worship, courtrooms, secure rooms and auditory description. The unit automatically shuts off after 30 minutes without audio carrier, which extends battery life. It runs on AAA alkaline batteries for more than 30 hours of use, or a NiMH rechargeable battery pack that delivers 15 hours of use per charge.

  • Secure wireless communication, suitable for applications where isolation of the signal is important, or where security is a concern
  • All-in-one unit stetho design; no wires to tangle, easy distribution
  • Receives up to four mono or stereo channels and provides performance with clear sound
  • Uses standard AAA batteries or rechargeable Listen NiMH battery pack, giving you flexibility in managing battery life
  • Auto shut-off feature (after 30 minutes of no carrier) saves battery life
  • Ear tips can be easily cleaned or replaced
In the Box
Listen Technologies Stethoscope-Style IR 4-Channel Receiver
  • LA-152 IR Alkaline Battery Compartment (Non-Charging)
  • Quick Reference Card
  • Limited Lifetime Warranty
  • Table of Contents
    • 1Description
    System Distortion <2% total harmonic distortion (THD)
    Output Built in Stethoscope speakers
    Frequency Response 63 Hz to 15 kHz (+/- 3 dB)
    Signal to Noise Ratio (SNR) Mono: >60 dB
    Stereo: >52 dB
    Controls User Controls: volume, power, channel select
    Programming: channel lock, auto seek, channel lock-out, squelch
    Indicators Unit Power: indicated by current channel selection LED Channel Selection: red LED illuminates on the current channel selection
    RF Dongle
    Carrier Frequency 2.3, 2.8, 3.3 and 3.8 MHz
    Number of Channels 4 x selectable channels
    IR Detector 2 x detectors under front IR lens
    Sensitivity 1 x nW/cm2 at 40 db SNR
    Frequency Accuracy +/- 0.005% stability 0 to 50 C
    Squelch Automatic on loss of RF signal (40 db SNR)
    Battery Type 2 x AAA alkaline batteries or one NiMH battery pack
    Battery Life 30 hours for alkaline batteries
    15 hours NiMH rechargeable pack (LA-364)
    Charging Fully automatic with NiMH battery pack and LA-350 charger
    Color Dark grey with white silk screening
    Environmental Operation Temperature: 14 to 104°F (-10 to 40°C)
    Storage Temperature: -4 to 122°F (-20 to 50°C )
    Relative Humidity: 0 to 95% relative humidity, non-condensing
    Dimensions 1.8 x 4 x 0.75" / 46 x 102 x 19 mm
    Weight 2.15 oz. (60 g)
    Packaging Info
    Package Weight 0.3 lb
    Box Dimensions (LxWxH) 9.4 x 6.2 x 1.7"

    Listen Technologies Stethoscope-Style IR 4-Channel Receiver Review

    Be the first to review this item
    See any errors on this page? Let us know.