The LP-39-072-01 is designed to make it easy to order all the components you need for an exceptional listening experience. Ideal for venues to upgrade a 72 MHz assistive listening system or expand an existing system with four iDSP receivers. Â Â 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. iDSP is the smallest device of its kind, making it easier to wear and easier for venues to dispense, store and maintain. Â 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). Â The Micro USB connection is used with free iDSP software for set up, programming, firmware updates, inventory management and charging.
 Includes:  Four (4) LR-4200-072 Intelligent DSP RF Receiver (72 MHz)*, Four (4) LA-401 Universal Ear Speaker, Four (4) LPT-A207 Breakaway Lanyard, One (1) LA-423 4-Port USB Charger.     *The LR-4200-072 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.
All-inclusive 4-pack is ideal for venues to upgrade an existing 72 MHz assistive listening systems or expand an iDSP Prime System
Advanced DSP SQTM noise reduction technology delivers 20 dB less noise and hiss than any other listening device
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
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
System Distortion:
<2% total harmonic distortion (THD) at 80% deviation
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
Frequency Accuracy:
± .005% stability 32 to 122 ºF (0 to 50 ºC)
Sensitivity:
.6uV typical, 1 uV maximum for 12 dB sinad
Number of Channels:
17 wide band, 40 narrow band
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:
4 to 104 ºF (-10 to 40 ºC)
Relative Humidity:
0 to 95% relative humidity, non-condensing
Temperature - Storage:
(-)4 to 122 °F (-20 to 50 °C)
Standards:
FCC Part 15, Part 90, Industry Canada, RoHS