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Listen Technologies LT700-863
Portable 863mHz FM Transmitter

OUR PART #:  LT700-863

The Listen LT-700 Portable Transmitter will broadcast your presenters or interpreters voice to everyone in the audience...
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Our Price: $439.00
List Price: $493.00
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Listen Technologies LT700-863
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The Listen LT-700 Portable Transmitter will broadcast your presenters or interpreters voice to everyone in the audience, without having to carry a microphone or be plugged into the wall. Excellent for factory tours, outdoor events, wireless microphone applications, classrooms, training sessions, or personal use – anywhere you need to amplify sound but don’t have (or want) an installed sound system.


  • Superior Audio Quality – 70 dB signal-to-noise ratio (SNR), setting the industry's sound quality standard.
  • 57 channels (17 channels with 863 MHz).
  • Look & Listen™ LCD shows channel, battery status, signal strength and programming information.
  • 100% Digital – Listen receivers are digitally-tuned so transmission won't drift.
  • Programmability- Uneeded channels can be locked so this receiver will access only one or more channels of your choice.
  • Uses standard alkaline or nickel-metal hydride (NiMH) batteries.
  • Built in SmartCharge™ won’t allow batteries to overcharge.  Charging circuitry is conveniently built into Listen's LT-700.
  • Drop in charging contacts for any of Listen’s many charging cases or a charging plug on the side of the unit.
  • 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.


  • RF Frequency Range: 863.050 - 864.950 MHz
  • Number of Channels: 17 Wideband
  • Frequency Accuracy: +/-.005% stability 32 to 122° (0- 50°C)
  • Transmitter Stability: 50 PPM
  • Transmission Range: 0 m (0 ft.) to 76.2 m (250 ft.)
  • Output Power: 10mW maximum (adjustable)
  • Antenna: Integrated external antenna
  • Compliance: CE, ETSI, RoHS
  • System Frequency Response: 50Hz - 15kHz (+/-3db)
  • System Signal to Noise Ratio: 70db (A-Weighted)
  • System Distortion: <2% total harmonic distortion (THD) at 80% deviation
  • Microphone Input: Unbalanced, tip of 3.5 mm (0.14 in.) connector, -20 dBu nominal, impedance 21k ohm
  • Microphone Sensitivity: Three position switch: high, middle, and low; 6 dB increments
  • Line Input: Unbalanced, ring of 3.5 mm (0.14 in.) connector, -10 dBu nominal, impedance 10k ohm
  • Microphone power: 3VDC Bias
  • User Controls: Power, mute, channel up/down
  • Set-up Controls (located within the battery compartment): Mic sensitivity, NiMH/alkaline battery
  • Programming: Channel lock out, Channel lock
  • LED:  Red, illuminated when unit is on. Flashes when batteries are low, or to indicate charging. Flashes when muted.
  • Display: Channel Designation, lock status, signal strength indication, battery life, RF power
  • Battery Type: Two (2) AA batteries, Alkaline or NiMH
  • Battery Life: (Listen batteries) 10 hours alkaline (LA-361), 6 hours NiMH rechargeable (LA-362)
  • Battery Charging (NiMH only): Fully Automatic, 13 hours
  • Dimensions: 4.25" H x 2.75" W x 1.50" D (0.8 x 7.0 x 3.8 cm)
  • Color: Dark Grey with white silk screening
  • Unit Weight: 111 g (3.9 oz)
  • Unit Weight with batteries: 164 g (5.8 oz)
  • Shipping Weight: 453 g (1 lbs,)
  • Door: Manually Lockable. Up, down, and power buttons through door. Other controls behind door
  • Operation Temperature: -10 to 40 ºC (14 to 104 ºF)
  • Storage Temperature: -20 to 50 °C (-4 to 122 °F)
  • Humidity: 0 to 95% Relative humidity, non condensing

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