The LR-4200-072 receiver is one of Listen Technologies' new generation of personal listening products, iDSP or Intelligent Digital Signal Processing. With Listens 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-4200-072 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 its difficult to hear, like: theaters, lecture halls, concert venues, houses of worship, and more
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
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/s:
Two (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm
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
Display:
Channel designation, battery level, unit number, charging status
LEDs:
Flashes when batteries are low or to indicate charging, solid when fully charged
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)
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
Frequency Range:
72.0250 - 75.9500 MHz
Battery Life:
8 Hours of continuous use
Power Supply:
Micro USB connector, 5 V, 500 mA
Battery Type:
Lithium Ion 3.7 Vdc, 1200 mAh
Battery Charging Time:
Fully charged in 2.5 Hours
Color:
Black
Dimensions with Belt Clip:
3.75 x 2.00 x 0.80 in. (9.6 x 5.0 x 2.1 cm)
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 with batteries:
2.40 oz. (68 g)
Unit Weight:
1.60 oz. (45 g)
Shipping Weight:
3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum
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
Standards:
FCC Part 15, Part 90, Industry Canada, RoHS
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