{"product_id":"williams-sound-dlt-400","title":"Williams Sound DLT 400","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\r\n\u003cp\u003eThe Digi-Wave™ system is a digital spread-spectrum (DSS), simultaneous two-way wireless listening system. Using it’s frequency-hopping algorithm, it avoids interference and is a very secure method of communication. The Digi-Wave communication system allows users to listen and talk to one another wirelessly in a variety of scenarios.\u003c\/p\u003e\r\n\u003cp\u003eA Digi-Wave system consists of at least one transceiver (DLT 400) and various combinations of transceivers and receivers (DLR 400 RCH or DLR 400 ALK). Combinations of one or more DLT’s and DLR’s can be used to facilitate different events, depending on what needs to be spoken and what needs to be heard. Typical scenarios include:\u003c\/p\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eGuided Tours – with one or more tour guides (2-way), with audience participation (2-way), or without audience participation (1-way)\u003c\/li\u003e\r\n\u003cli\u003eLanguage Interpretation – one or more interpreted languages transmitted to audience (1-way)\u003c\/li\u003e\r\n\u003cli\u003eIntercom – with up to six people able to speak simultaneously, and even more listening\u003c\/li\u003e\r\n\u003cli\u003eHearing Assistance – featuring boosted audio for improved comprehension\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003ctable\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eDimensions\u003c\/td\u003e\r\n\u003ctd\u003e4.22″W x 2.60″H x 0.50″D\u003cbr\u003e(107.3 mm x 66 mm x 12.6 mm)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWeight\u003c\/td\u003e\r\n\u003ctd\u003e3.3 oz (94 g) including battery\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eColor\u003c\/td\u003e\r\n\u003ctd\u003eBlack\/Silver (Front\/Back)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCase Material\u003c\/td\u003e\r\n\u003ctd\u003eBlack ABS plastic\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eBattery type\u003c\/td\u003e\r\n\u003ctd\u003eLithium Polymer with smart charge built into transceiver; 1800 mAH\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eBattery life\u003c\/td\u003e\r\n\u003ctd\u003eUp to 16 hrs talk time per charge@ 1ch Tx and 1ch Rx\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003ePower Save\u003c\/td\u003e\r\n\u003ctd\u003eAuto Sleep Mode after 5 minutes of no RF signal from compatible devices\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCharge time\u003c\/td\u003e\r\n\u003ctd\u003e5 hrs. approx.\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSystem Voltages\u003c\/td\u003e\r\n\u003ctd\u003eOLED 14VDC; RF 5VDC; Logic 3.3 VDC\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOperating frequencies\u003c\/td\u003e\r\n\u003ctd\u003e2.4 GHz (ISM band); 2402 – 2476 MHz FHSS\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eAudio Frequency response\u003cbr\u003e(-3dB Level)\u003c\/td\u003e\r\n\u003ctd\u003eIntercom Mode: 100 – 7,200 Hz\u003cbr\u003eOther Modes: 100 – 11,500 Hz\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSNR\u003c\/td\u003e\r\n\u003ctd\u003e73 dB (A-weighted, default Rx volume with mic input )\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eTHD\u003c\/td\u003e\r\n\u003ctd\u003e0.1 % (Default Volume, 1kHz)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eMicrophone input\u003c\/td\u003e\r\n\u003ctd\u003eInternal microphone (disabled when MIC jack engaged) and 3.5 mm phone jack (sleeve) with electret microphone bias, adjustable gain with 63dB range.\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eLine Input\u003c\/td\u003e\r\n\u003ctd\u003eUSB-C, Adjustable level\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eHeadphone Output\u003c\/td\u003e\r\n\u003ctd\u003e3.5 mm TRRS headphone jack; 25 mW, R 32 ohms\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eAudio Output\u003c\/td\u003e\r\n\u003ctd\u003eHeadphone: Max SSPL 90 111.8dB (EAR 013), 116.8dB (EAR 041)\u003cbr\u003eLine: USB-C, Adjustable level\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eRange\u003c\/td\u003e\r\n\u003ctd\u003eUp to 900 ft (274 m) (depending upon environmental conditions)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eModulation\u003c\/td\u003e\r\n\u003ctd\u003eFSK\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eRF Output\u003c\/td\u003e\r\n\u003ctd\u003e19 dBm Typical\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSecurity\u003c\/td\u003e\r\n\u003ctd\u003e87 bit encryption (300 Series Compatiable), 87+128 bit Encryption, Encrpytion PIN, Lock for settings\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eSide tone\u003c\/td\u003e\r\n\u003ctd\u003e-6 dB below volume, tone variation (Off, Low and High settings available)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eIndicators\u003c\/td\u003e\r\n\u003ctd\u003eOLED\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eLEDs\u003c\/td\u003e\r\n\u003ctd\u003eRed LED around Talk button when enabled; Bi-color, changing green and red LED at top\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCharging Connectors\u003c\/td\u003e\r\n\u003ctd\u003eUSB-C; Two contacts for use with CHG 412\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eCompatible Receiver\u003c\/td\u003e\r\n\u003ctd\u003eDLR 400 RCH, DLR 400 ALK, DLT 300 with some limitations and DLR 360 with some limitations\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eOperating Tempurature Range\u003c\/td\u003e\r\n\u003ctd\u003e14º to 113ºF (-10º to 45ºC)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eApprovals\u003c\/td\u003e\r\n\u003ctd\u003eFCC, Industry Canada, CE, RoHS 3, WEEE, RCM, ANATEL, KC, Giteki\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003eWarranty\u003c\/td\u003e\r\n\u003ctd\u003e2 years parts and labor (90 days on accessories); 6 months on internal battery\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e","brand":"Williams Sound","offers":[{"title":"Default Title","offer_id":43896344903723,"sku":"WS-DLT 400","price":417.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/dlt400_1___79950.1682437815.1280.1280.jpg?v=1775686087","url":"https:\/\/www.empirepro.com\/products\/williams-sound-dlt-400","provider":"Empire Pro","version":"1.0","type":"link"}