{"product_id":"listen-lr-4200-072","title":"Listen LR-4200-072","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe LR-4200-072 receiver from Listen Technologies offers outstanding audio clarity and quality with the best range and reception in its class.\u003c\/p\u003e\u003cp\u003ePart 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.\u003c\/p\u003e\u003cp\u003eEach receiver is equipped with a micro USB connection which can be used with free\u003ca\u003e iDSP software\u003c\/a\u003e for charging, set up, programming, inventory management and firmware updates.\u003c\/p\u003e\u003cp\u003eExtended 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.\u003c\/p\u003e\u003cp\u003eFrom 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.\u003c\/p\u003e\u003ch3\u003eIncludes\u003c\/h3\u003e\u003cp\u003eOne (1) LR-4200-072 Intelligent DSP RF Receiver (72 MHz)*\u003c\/p\u003e\u003cp\u003e*The LR-4200-072 comes with a quick start guide and a non-proprietary field replaceable Lithium-ion battery.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-performance RF receiver offering best-in-class sensitivity and 20dB less noise than other devices \u003c\/li\u003e\n\u003cli\u003eIntegrated neck loop\/lanyard with DSP loop driver for an enhanced T-coil listening experience\u003c\/li\u003e \u003cli\u003eSmallest device of its kind makes it easier to wear and use and for venues to dispense, store and maintain\u003c\/li\u003e\n\u003cli\u003eOLED display showing channels, battery status, channel status, volume level, and more\u003c\/li\u003e \u003cli\u003eLanyard and belt clip options offer convenient and discreet choices for the end user\u003c\/li\u003e\n\u003cli\u003eAdvanced rechargeable battery technology eliminates the costs and hassles associated with frequent battery replacement\u003c\/li\u003e\n\u003cli\u003eDesigned for single-channel applications \u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eConfigurations \u0026amp; Architectural Specs\u003c\/h3\u003e\u003cstrong\u003eConfigurations\u003c\/strong\u003e\u003cp\u003eLR-4200-072 Intelligent DSP RF Receiver (72 MHz)\u003c\/p\u003e\u003cstrong\u003eArchitectural Specs\u003c\/strong\u003e\u003cp\u003eThe RF receiver shall be capable of receiving on 57 wide and narrow band channels.  The device shall tune to a single channel and user shall not be able to change the channel. The receiver shall have a signal-to-noise ratio of 80 dB or greater and shall have an audio frequency response of 50 Hz – 15 kHz (±3 dB). The device shall employ a unique DSP SQ\u003csup\u003eTM\u003c\/sup\u003e noise reduction technology. The unit shall have a programmable squelch circuit.  The unit shall incorporate a multi-functional display that indicates battery status, inventory number and channel. The device shall have the option of being lanyard or belt clip worn and the lanyard shall have the option of an integrated neck loop. The device shall have a USB connector used for inventory control, set up, charging and firmware upgrades. The device shall incorporate automatic battery charging circuitry and use a non-proprietary lithium ion battery. The device shall have additional charging contacts to allow multiple charging options.  The Listen LR-4200-072 is specified.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eLR-4200-072\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eAudio\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Distortion\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 2% total harmonic distortion (THD) at 80% deviation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\/s\u003c\/td\u003e\n\u003ctd\u003eTwo (2) 3.5 mm (0.14 in.) connectors, unbalanced, 0 dBu nominal output level, 16 mW maximum, impedance 32 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Frequency Response\u003c\/td\u003e\n\u003ctd\u003e50 Hz - 15 kHz (±3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Signal to Noise Ratio\u003c\/td\u003e\n\u003ctd\u003eSQ enabled 80 dB, SQ disabled 60 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eControls\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Controls\u003c\/td\u003e\n\u003ctd\u003ePower, up\/down volume\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming\u003c\/td\u003e\n\u003ctd\u003eVia software and USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSet-up Controls\u003c\/td\u003e\n\u003ctd\u003ePress and hold up\/down volume buttons for 5 seconds to enter channel adjust, use up\/down to select channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eIndicators\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLEDs\u003c\/td\u003e\n\u003ctd\u003eFlashes when batteries are low or to indicate charging, solid when fully charged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eChannel designation, battery level, unit number, charging status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eRF\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Range\u003c\/td\u003e\n\u003ctd\u003e72.0250 - 75.9500 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e17 wide band, 40 narrow band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e.6uV typical, 1 uV maximum for 12 dB sinad\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Accuracy\u003c\/td\u003e\n\u003ctd\u003e± .005% stability 32 to 122 ºF (0 to 50 ºC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquelch\u003c\/td\u003e\n\u003ctd\u003eProgrammable in 20 steps, automatic on loss of RF signal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna Type\u003c\/td\u003e\n\u003ctd\u003eUses ear phone\/neck loop lanyard and short ear phone cable or standard earphone cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003ePower\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eMicro USB connector, 5 V, 500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium Ion 3.7 Vdc, 1200 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Life\u003c\/td\u003e\n\u003ctd\u003e8 Hours of continuous use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Charging Time\u003c\/td\u003e\n\u003ctd\u003eFully charged in 2.5 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003ePhysical\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight with Batteries\u003c\/td\u003e\n\u003ctd\u003e2.40 oz. (68 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e3.20 oz. (91 g) with 1.0 lbs. (454 g) minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e3.75 x 2.00 x 0.64 in. (9.6 x 5 x 1.7 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003e1.60 oz. (45 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions with Belt Clip\u003c\/td\u003e\n\u003ctd\u003e3.75 x 2.00 x 0.80 in. (9.6 x 5.0 x 2.1 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eEnvironmental\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature - Operation\u003c\/td\u003e\n\u003ctd\u003e14 to 104 ºF (-10 to 40 ºC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature - Storage\u003c\/td\u003e\n\u003ctd\u003e(-)4 to 122 °F (-20 to 50 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e0 to 95% relative humidity, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ch4\u003eCompliance\u003c\/h4\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eStandards\u003c\/td\u003e\n\u003ctd\u003eFCC Part 15, Part 90, Industry Canada, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Listen","offers":[{"title":"Default Title","offer_id":43893418393643,"sku":"LT-LR-4200-072","price":168.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/lt-lr-4200-072-2__26816.1682442601.1280.1280.png?v=1775680660","url":"https:\/\/www.empirepro.com\/products\/listen-lr-4200-072","provider":"Empire Pro","version":"1.0","type":"link"}