Listen Technologies LR-3200-072 Basic DSP RF Assistive Listening Receiver - 72 MHz

LR-3200-072 - Overview

• Features:

  • RF receiver offering best-in-class sensitivity and sound
  • Integrated neck loop/lanyard with DSP loop driver for an enhanced T-coil listening experience
  • Smallest device of its kind makes it easier to wear and use and for venues to dispense, store and maintain
  • Lanyard and belt clip options offer convenient and discreet choices for the end-user
  • Advanced rechargeable battery technology eliminates the costs and hassles associated with frequent battery replacement
  • Designed for single-channel applications
   

• Specifications:

  • Audio
  • System Distortion: < 1% total harmonic distortion (THD) at 80% deviation
  • Output/s: Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 50 mW maximum, impedance 32 ohm
  • System Frequency Response: 50 Hz - 15 kHz (±3 dB)
  • System Signal to Noise Ratio: SQ disabled 70 dB, SQ enabled 80 dB
    
    Controls
  • User Controls: Power, up/down volume
  • Programming: Via software and USB port
  • Set-up Controls: Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
    
    Indicators
  • LEDs: Flashes when batteries are low or to indicate charging, solid when fully charged
    
    RF
  • Frequency Range: 72.0250 - 75.9500 MHz
  • Number of Channels: Basic Mode: 3 wide Band, Expand Mode: 17 wide band
  • Sensitivity: .6uV typical, 1 uV maximum for 12 dB sinad
  • Frequency Accuracy: ± .005% stability 32 to 122 °F (0 to 50 °C)
  • Squelch: Fixed level, automatic on loss of RF signal
  • Antenna Type: Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
    
    Power
  • Battery Type: Lithium Ion 3.7 Vdc, 1200 mAh
  • Battery Life: 24 Hours of continuous use
  • Battery Charging Time: Fully charged in 2.5 Hours
  • Power Supply: Micro USB connector, 5 V, 500 mA
    
    Physical
  • Color: Black
  • Unit Weight: 1.60 oz. (45 g)
  • Unit Weight with Batteries: 2.40 oz. (68 g)
  • Shipping Weight: 3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum
  • Dimensions (H x W x D): 3.75 x 2.00 x 0.64 in.
  • Dimensions with Belt Clip: 3.75 x 2.00 x 0.80 in.
    
    Environmental
  • Temperature - Operation: 14 to 104 °F (-10 to 40 °C)
  • Temperature - Storage: (-)4 to 122 °F (-20 to 50 °C)
  • Relative Humidity: 0 to 95% relative humidity, non-condensing
    
    Compliance
  • Standards: FCC Part 15 Class B, Industry Canada ICES-3 (B), RoHS
   

• Item Includes:

  • 1x Quick start guide and a non-proprietary field replaceable Lithium-ion battery
   

• Warranty:

  • Limited lifetime warranty with hassle-free support