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Listen Technologies LR-4200-072 Intelligent DSP RF Receiver (72 MHz)

  • Dale #:

    LIST-LR4200072
  • Availability:

    Not in Stock - Reserve Yours
  • This item is not in stock, but we can usually ship it within 10-20 days after your order is placed. Your payment will be charged after completing checkout.

Description

The LR-4200-072 receiver from Listen Technologies offers outstanding audio clarity and quality with the best range and reception in its class. Part of our Intelligent Digital Signal Processing (iDSP) line, the LR-4200-072 is the smallest device of its kind, resulting in a compact unit that won’t... Read More

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Description

The LR-4200-072 receiver from Listen Technologies offers outstanding audio clarity and quality with the best range and reception in its class.

Part of our Intelligent Digital Signal Processing (iDSP) line, the LR-4200-072 is the smallest device of its kind, resulting in a compact unit that won’t burden the end user. An integrated neck loop/lanyard makes each receiver easy to wear, and the DSP loop driver offers an improved listening experience for anyone with a T-coil-equipped hearing aid. Dual 3.5mm output jacks also allow receivers to be shared between users.

Each receiver is equipped with a micro USB connection which can be used with free iDSP software for charging, set up, programming, inventory management and firmware updates.

Extended speaking sessions, presentations and more can be challenging for other devices, but the LR-4200-072 incorporates advanced Lithium-ion rechargeable batteries that offer long life and reliable power. Charge status, along with channel information and volume level, are easy to read on the integrated OLED display.

From classrooms to boardrooms, conferences and more, the LR-4200-072 is an outstanding receiver choice for any venue looking to offer convenient, reliable assistive listening.

Features:

  • High-performance RF receiver offering best-in-class sensitivity and 20dB less noise than other devices
  • 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
  • OLED display showing channels, battery status, channel status, volume level, and more
  • 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


Includes
One (1) LR-4200-072 Intelligent DSP RF Receiver (72 MHz)*

*The LR-4200-072 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.

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Product Specs

Audio
System Distortion < 2% total harmonic distortion (THD) at 80% deviation
Output/s Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
System Frequency Response 50 Hz - 15 kHz (±3 dB)
System Signal to Noise Ratio SQ enabled 80 dB, SQ disabled 60 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
Display Channel designation, battery level, unit number, charging status
RF
Frequency Range 72.0250 - 75.9500 MHz
Number of Channels 17 wide band, 40 narrow band
Sensitivity .6uV typical, 1 uV maximum for 12 dB sinad
Frequency Accuracy ± .005% stability 32 to 122 ºF (0 to 50 ºC)
Squelch Programmable in 20 steps, automatic on loss of RF signal
Antenna Type Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable
Power
Power Supply Micro USB connector, 5 V, 500 mA
Battery Type Lithium Ion 3.7 Vdc, 1200 mAh
Battery Life 8 Hours of continuous use
Battery Charging Time Fully charged in 2.5 Hours
Physical
Color Black
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. (9.6 x 5 x 1.7 cm)
Unit Weight 1.60 oz. (45 g)
Dimensions with Belt Clip 3.75 x 2.00 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
Environmental
Temperature - Operation 14 to 104 ºF (-10 to 40 ºC)
Temperature - Storage (-)4 to 122 °F (-20 to 50 °C)
Relative Humidity 0 to 95% relative humidity, non-condensing
Compliance
Standards FCC Part 15, Part 90, Industry Canada, RoHS

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