- Description
Details
The LR-4200-216 receiver is one of Listen Technologies’ new generation of personal listening products, iDSP or Intelligent Digital Signal Processing.
With Listen’s unique DSP SQTM noise reduction technology, users experience 20 dB less noise and hiss than any other listening device. 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 integrated neck loop / lanyard with DSP loop driver, improves the listening experience for T-coil users. iDSP is the smallest device of its kind, making it easier to wear and easier for venues to dispense, store and maintain.
The LR-4200-216 has an OLED display to program channel names, monitor battery status, channel status, and charge activation. Connect the 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 free iDSP software for charging, set up, programming, inventory management and firmware updates.
The result is an exceptional listening experience in places where it’s difficult to hear, like: theaters, lecture halls, concert venues, houses of worship, and more.- Features
Features
- Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
- Integrated neck loop / lanyard with DSP loop driver improves the listening experience for T-coil users
- Smallest device of its kind makes it easier to wear and for venues to dispense, store and maintain
- Limited Lifetime Warranty with hassle-free support
- Can be worn around the neck, with the belt clip, or concealed in a pocket, 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
- Specification
Audio System Frequency Response 50 Hz - 15 kHz (±3 dB) System Signal to Noise Ratio SQ enabled 70 dB, SQ disabled 50 dB System Distortion <2% total harmonic distortion (THD) at 80% deviation Outputs (2) 3.5 mm (0.14") connectors, unbalanced, 0 dBu nominal output level, 16 mW max, impedance 32 ohm Controls User Controls Power, up/down volume Set-up Controls Press & hold up/down volume buttons for 5 secs to enter ch. adjust, use up/down to select ch. Programming Via software and USB port Indicators Display Channel designation,battery level, unit number, charging status LEDs White, illuminated when unit is on, flashes when batteries are low or to indicate charging, solid when fully charged RF Frequency Range 216.0125 - 216.9875 MHz Number of Channels 19 wide band, 38 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 Type Uses ear phone/neck loop lanyard and short ear phone cable or standard earphone cable Squelch Programmable in 20 steps, automatic on loss of RF signal Power Battery Life 8 Hours of continuous use Power Supply Micro USB connector, 5 V, 500 mA Battery Type Lithium-ion Battery Charging Time Fully charged in 2 Hours 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 Physical Color Black Dimensions (H x W x D) 3.75" (95 mm) x 2.00" (51 mm) x 0.64" (16 mm) Dimensions with Belt Clip (H x W x D) 3.75" (95 mm) x 2.00" (51 mm) x 0.80" (20 mm) Unit Weight 1.6 oz (45.4 g) Unit Weight with Batteries 2.4 oz (68.1 g) Shipping Weight 3.2 oz (90.8 g) with 16 oz (454 g) minimum - Reviews
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