Listen Technologies LR-400-150
Portable Display RF Receiver, 105MHz

OUR PART #:  LR400-150

The LR-400-150 Portable Display RF Receiver is Listen's most popular model of receiver.
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Our Price: $149.00
List Price: $164.00
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Listen Technologies LR-400-150
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The LR-400-150 Portable Display RF Receiver is Listen's most popular model of receiver.  This receiver is excellent for assistive listening, language interpretation, tour group or personal use – anywhere transmitted audio is need to be received. The LCD display is this receivers most desired feature – it makes it easy to view the selected channel, battery life, channel lock, and RF signal strength. It can be tuned to all frequencies available in our 150 MHz products; once a frequency is selected it can be locked to prevent tampering. The LR-400-150 offers exceptional audio quality and convenient recharging options. Whether it’s voice or music, the LR-400-150 allows everyone in the audience to have a personally enhanced audio experience.

Features:

  • Look & Listen™ LCD shows channel, battery status, channel lock and signal strength.
  • Superior audio quality – 80 dB signal-to-noise ratio (SNR), 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.
  • Limited Lifetime Warranty with hassle-free support.
  • Look & Listen™ LCD shows channel, battery status, channel lock and signal strength.
  • 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 receivers.
  • Drop in charging contacts for any of Listen’s many charging cases or a charging plug on the side of the unit.
  • Many accessory options make Listen products ideal for a wide range of applications.

Specifications:

  • RF Frequency Range 150.8000 MHz - 152.3500 MHz                                                                           
  • Number of Channels 6 wide band, 26 narrow band
  • Sensitivity .6uV typical, 1 uV maximum for 12 dB sinad
  • Frequency Accuracy ± .005% stability 32 to 122 ºF (0 to 50 ºC)
  • Antenna Uses earphone cable
  • Squelch Programmable in 20 steps, automatic on loss of RF signal
  • System Frequency Response 50 Hz - 15 kHz (±3 dB)
  • System Signal to Noise Ratio SQ enabled 80 dB, SQ disabled 60 dB
  • System Distortion <2% total harmonic distortion (THD) at 80% deviation
  • Output 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
  • User Controls Channel up/down, SEEK, volume
  • Set-up Controls (Battery Compartment) Alkaline/NiMH batteries, SQ enable/disable
  • Programming Channel lock, squelch
  • LED Red, illuminated when unit is on, flashes when batteries are low or to indicate charging,  flashes when locked and SEEK is pushed
  • Display Channel designation,battery level, battery charging,
  • RF signal strength and channel lock
  • Battery Type Two (2) AA batteries, alkaline or NiMH
  • Battery Life (Listen Batteries) 30 hours alkaline (LA-361), 15 hours NiMH rechargeable (LA-362)
  • Battery Charging (NiMH only) Fully automatic, 13 hours
  • Power Supply  I/P 120 VAC; O/P 7.5 VDC 250 mA, drop in contact points for use with charging cases, power supply not included (LA-202)
  • Power Supply Connector 0.09 in. (2.3 mm) OD by 0.7 mm ID, barrel type connector 7.5 VDC, center positive <250 mA, drop in contact points for use with Listen charging cases
  • Power Supply Compliance RoHS, WEEE, UL, PSE, CE, CUL, TUV, CB
  • Dimensions (H x W x D) 4.25" x 2.75" x 1.50"
  • Color Dark Grey with white silk screening
  • Unit Weight 3.9 oz (111 g)
  • Unit Weight with Batteries 5.8 oz (164 g)
  • Door Manually lockable (on sides), SEEK/channel select behind the door
  • Temperature - Operation 14 to 104 ºF (-10 to 40 ºC)
  • Temperature - Storage (-)4 to 122 °F (-20 to 50 °C)
  • Humidity 0 to 95% relative humidity, non-condensing

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