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LT700-150 - Listen Portable FM Display Transmitter

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Product Description

The Listen LT-700 Portable Transmitter is used to wirelessly broadcast audio for a variety of portable applications. Whether its voice or music, the user can broadcast audio to everyone in the audience without having to carry a microphone or be plugged
into a wall.


  • LT-700-150 Portable Display FM Receiver (150 MHz)
  • Quick Reference Card



The LT-700 is excellent for factory tours, outdoor events, wireless microphone applications, classrooms, training, or personal use – anywhere amplified sound is needed, with no installed system is present.

With the many features of the LT-700, portable transmission has never been easier for users!



  • Portable transmission – Broadcast the interpreter or tour guide’s voice to everyone in the audience without having to carry a microphone or be plugged into a wall
  • Superior Audio Quality – 80 dB signal-to-noise ratio, setting the industry’s sound quality standard
  • With a choice between 32 channels, Listen products are ideal for a wide range of applications
  • 100 % Digital – Listen receivers are digitally-tuned so transmission won’t drift; assurance that when a channel is selected, it stays on that channel
  • Uses standard alkaline or NiMH batteries – Built in SmartCharge™ won’t allow batteries to overcharge
    (NiMH batteries only)
  • Look & Listen™ LCD shows channel, battery status, and programming information
  • Up to six (6) simultaneous transmitted channels
  • Transformer charging plug or drop in charging contacts
  • Built in SmartCharge™ won’t allow batteries to
    overcharge. Charging circuitry is conveniently built into Listen’s LT-700-150 Transmitter; never worry about unplugging a transformer at a certain time
  • Mute switch
  • Mic and/or line level inputs
  • Many accessory options make Listen products ideal for a wide range of applications
  • Limited Lifetime Warranty with hassle-free support



Full specifications are available under the Downloads tab above

  • RF Frequency Range: 150.8000 MHz - 152.3500 MHz
  • Number of Channels: 6 wideband, 26 narrowband
  • Number of Simultaneous Transmitters: Six (6)
  • Frequency Accuracy: ± .005% stability 32 to 122º (0 to 50ºC)
  • Transmitter Stability: 50 PPM
  • Transmission Range: Up to 45.7m (150 ft.)
  • Output Power: 10 mW maximum
  • Antenna: Uses microphone cable
  • Antenna Connector: 3.5 mm connector
  • Compliance: C-Tick
  • System Frequency Response: 50 Hz - 15 kHz (±3dB)
  • System Signal to Noise Ratio: SQ enabled 80 dB, SQ disabled 60 dB
  • Microphone Input: Unbalanced, tip of 3.5mm connector
  • Microphone Sensitivity: Three position switch: high, mid, low
  • Line Input: Unbalanced, ring of 3.5mm connector
  • Microphone Power: 3VDC Bias



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