Listen Technologies LR-4200-IR infrared receiver

General Description

The Listen Technologies LR-4200-IR infrared receiver is one of Listen Technologies' new generation of personal listening products, iDSP or Intelligent Digital Signal Processing. It is a high performance IR receiver with extreme sensitivity providing the best pickup and range of any device of its kind. iDSP is the smallest device of its kind, making it easy for the end user to wear and operate and easier for the venues to dispense, store and maintain.

The advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in landfills. A field replaceable Lithium-ion battery is included with the unit.

The LR-4200-IR has an OLED display which shows unique channel names, battery status, channel status, volume status and charge activation. Connect a iDSP neck loop/lanyard or ear phones via two 3.5 mm output jacks (receivers can be shared). The Micro USB connection is used with the free iDSP software suite for set up, programming, inventory management, firmware updates and charging via any standard USB port. The LR-4200-IR is compatible with all iDSP accessories.

The result is an exceptional listening experience in small-to-medium places where it’s difficult to hear, like: theatres, boardrooms, classrooms, courtrooms, houses of worship, and more.

Features

High performance IR receiver with extreme sensitivity providing the best pickup and range of any device of its kind
Smallest device of its kind makes it easier to wear and use and for venues to dispense, store and maintain
OLED display which shows unique channel names, battery status, channel status, volume status and charge activation
Can be worn around the neck or with the belt clip, making it the most discreet listening device on the market
Advanced green battery technology dramatically reduces costs of ownership and hassles while reducing the number of batteries in the landfill
Use for single channel applications

Delivery Includes

1 LR-4200-IR Intelligent DSP IR receiver
1 Quick start guide
1 Replaceable Lithium-ion battery

Technical Data

System Frequency Response: 63 Hz - 15 kHz (±3 dB)
System Signal to Noise Ratio    Mono: >60 dB, Stereo: >52 dB
System Distortion: <2% total harmonic distortion (THD) at 80% deviation
Audio Output Jacks: Two 3.5mm connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm, accepts mono or stereo phone plug or LA-430 Intelligent Ear Phone/Neck Loop Lanyard
User Controls: Power on/off and volume up/down
Set-up Controls: Press and hold up/down volume buttons for 5 seconds to enter channel adjust, use up/down to select channel
Programming: Via software and USB port
LED: Flashes when batteries are low or to indicate charging, solid when fully charged
Display: OLED - Channel designation, battery level, unit number, charging status, volume status
Carrier Frequencies: 2.3 MHz, 2.8 MHz, 3.3 MHz, 3.8 MHz
Number of Channels: Four selectable channels
Frequency Accuracy: ± .005% stability 0 to 50 ºC
Modulation: FM Wideband, ±50 kHz deviation max, 50 uS de-emphasis
Sensitivity: Better than one nW/cm2 @40 dB SNR
Squelch: Programmable in 20 steps, automatic on loss of IR signal
Power save Mode: Turns unit off after a specified time of no IR signal, default is 30 minutes
Coverage Area: 2787 m² single channel with LT-84/LA-141 or 3716 m² single channel with LT-82/LA-140
Battery Type: Lithium Ion
Battery Life: 8 Hours of typical use
Battery Charging Time: Fully charged in 2.5 Hours
Power Supply: Micro USB connector, 5 V, 500 mA
Dimensions (H x W x D):  9.6 x 5.0 x 1.7 cm
Dimensions with Belt Clip: 9.6 x 5.0 x 2.1 cm
Unit Weight: 53.9 g
Unit Weight with Batteries: 79.4 g
Shipping Weight: 99.2 g with a 0.45 kg minimum
Colour: Flat Black
Temperature – Operation: -10 to 40 ºC
Temperature – Storage: -20 to 50 °C
Relative Humidity: 0 to 95% relative humidity, non-condensing