{"product_id":"sennheiser-sk-2020-d-tourguide-digital-bodypack-transmitter-863-865mhz","title":"#Sennheiser SK 2020-D TourGuide, Digital Bodypack Transmitter, 863-865MHz","description":"\u003cdiv class=\"markdown markdown-main-panel tutor-markdown-rendering enable-luminous-fast-follows stronger enable-updated-hr-color\" id=\"model-response-message-contentr_94ac572506f5a57f\" aria-live=\"polite\" aria-busy=\"false\" dir=\"ltr\"\u003e\n\u003cp data-path-to-node=\"0\" id=\"p-rc_dd956d63eb2493ef-91\"\u003e\u003cspan class=\"citation-124\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-124\"\u003eSennheiser SK 2020-D TourGuide\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-124\"\u003e (Article Number: \u003c\/span\u003e\u003cb data-path-to-node=\"0\" data-index-in-node=\"52\"\u003e\u003cspan class=\"citation-124\"\u003e500548\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-124 citation-end-124\"\u003e) is a robust, lightweight digital bodypack transmitter engineered for guided tours, museum exhibitions, international conferences, and assistive listening environments.\u003csup class=\"superscript\" data-turn-source-index=\"1\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"1\" id=\"p-rc_dd956d63eb2493ef-92\"\u003e\u003cspan class=\"citation-123\"\u003eOperating on a \u003c\/span\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"15\"\u003e\u003cspan class=\"citation-123\"\u003e100% digital 2 FSK modulation scheme\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-123 citation-end-123\"\u003e, it completely filters out the static hiss and RF background interference common to older analog tour units, ensuring that visitors receive clear audio from the guide.\u003csup class=\"superscript\" data-turn-source-index=\"2\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eDeciphering the Frequency Band: 863–865 MHz\u003c\/h3\u003e\n\u003cp data-path-to-node=\"4\" id=\"p-rc_dd956d63eb2493ef-93\"\u003e\u003cspan class=\"citation-122\"\u003eThe \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"4\"\u003e\u003cspan class=\"citation-122\"\u003e863–865 MHz\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-122\"\u003e identifier indicates that this transmitter is custom-tuned to the European \u003c\/span\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"91\"\u003e\u003cspan class=\"citation-122\"\u003eISM (Industrial, Scientific, and Medical) band\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-122 citation-end-122\"\u003e.\u003csup class=\"superscript\" data-turn-source-index=\"3\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\" id=\"p-rc_dd956d63eb2493ef-94\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eLicense-Free Broadcast:\u003c\/b\u003e\u003cspan class=\"citation-121 citation-end-121\"\u003e This exact spectrum segment is completely free to use without an expensive RF operations license across the UK and the vast majority of Europe.\u003csup class=\"superscript\" data-turn-source-index=\"4\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eFixed Interlocking Channel Selection:\u003c\/b\u003e Within this tight 2 MHz window, the transmitter features \u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"95\"\u003e6 pre-configured digital channels\u003c\/b\u003e running completely intermodulation-free. This configuration allows up to 6 separate guides to run concurrent tours in the exact same facility without bleeding into each other's audio feeds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eKey Workflow Engineering \u0026amp; Dual Input Routing\u003c\/h3\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\" id=\"p-rc_dd956d63eb2493ef-95\"\u003e\u003cspan class=\"citation-120\"\u003e\u003c\/span\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003e\u003cspan class=\"citation-120\"\u003eSimultaneous Mic \u0026amp; Line Intakes:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-120 citation-end-120\"\u003e The top interface of the bodypack features two separate, dedicated input jacks.\u003csup class=\"superscript\" data-turn-source-index=\"5\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003cspan class=\"citation-119 citation-end-119\"\u003eA guide can secure a standard headset microphone (like a Sennheiser ME 3) into the 3.5mm mic jack while concurrently running pre-recorded museum music or a translated presentation into the secondary 3.5mm line jack from an external playback device.\u003csup class=\"superscript\" data-turn-source-index=\"6\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\" id=\"p-rc_dd956d63eb2493ef-96\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eVariable Input Sensitivity Control:\u003c\/b\u003e\u003cspan class=\"citation-118 citation-end-118\"\u003e Both inputs feature separate electronic trim sensitivity levels accessible via the internal menu framework, preventing low-volume source drop-offs or high-gain input clipping.\u003csup class=\"superscript\" data-turn-source-index=\"7\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eLock Mode Defenses:\u003c\/b\u003e Once your channels and gains are dialed in, a menu-based \u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"77\"\u003eLock Mode\u003c\/b\u003e can be engaged. This locks out all physical buttons, ensuring the guide doesn't accidentally change the channel or mute the unit while handling it.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eTechnical Specifications Matrix\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature Parameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard System Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cb data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\"\u003eProduct Framework\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003eDigital UHF Bodypack Tour Guide Transmitter\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cb data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\"\u003eRF Modulation Layout\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003e2 FSK Digital Modulation (46K0F1D)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cb data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\"\u003eCarrier Frequency Band\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003e\u003cb data-path-to-node=\"11,3,1,0\" data-index-in-node=\"0\"\u003e863.000 MHz – 865.000 MHz\u003c\/b\u003e (Europe\/UK License-Free)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cb data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003eAvailable Channel Pools\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003e6 Discrete Interlocking Frequencies\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003e\u003cb data-path-to-node=\"11,5,0,0\" data-index-in-node=\"0\"\u003eRF Output Power Base\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003e\u003cb data-path-to-node=\"11,5,1,0\" data-index-in-node=\"0\"\u003e10 mW\u003c\/b\u003e (Optimized for stable local perimeter coverage)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003e\u003cb data-path-to-node=\"11,6,0,0\" data-index-in-node=\"0\"\u003eAudio Frequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003e100 Hz to 7,000 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,0,0\"\u003e\u003cb data-path-to-node=\"11,7,0,0\" data-index-in-node=\"0\"\u003ePhysical Input Jacks\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0\"\u003e1x 3.5mm Screw-Locking Microphone \/ 1x 3.5mm Screw-Locking Line\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,8,0,0\"\u003e\u003cb data-path-to-node=\"11,8,0,0\" data-index-in-node=\"0\"\u003eVisual Diagnostic Screen\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,8,1,0\"\u003eBacklit LCD (Displays Active Channel, Battery Cell Life, and Audio Meters)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,9,0,0\"\u003e\u003cb data-path-to-node=\"11,9,0,0\" data-index-in-node=\"0\"\u003eStatus Warning LEDs\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,9,1,0\"\u003e\u003cb data-path-to-node=\"11,9,1,0\" data-index-in-node=\"0\"\u003eYellow:\u003c\/b\u003e Audio Peak Signal \/ \u003cb data-path-to-node=\"11,9,1,0\" data-index-in-node=\"28\"\u003eRed:\u003c\/b\u003e Transmitter Muted or Low Battery\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,10,0,0\"\u003e\u003cb data-path-to-node=\"11,10,0,0\" data-index-in-node=\"0\"\u003eBattery Life Metric\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,10,1,0\"\u003eApproximately \u003cb data-path-to-node=\"11,10,1,0\" data-index-in-node=\"14\"\u003e8 Hours\u003c\/b\u003e continuous runtime\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,11,0,0\"\u003e\u003cb data-path-to-node=\"11,11,0,0\" data-index-in-node=\"0\"\u003ePower Profile Variants\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,11,1,0\"\u003eDirect support for \u003cb data-path-to-node=\"11,11,1,0\" data-index-in-node=\"19\"\u003eBA 2015 Accupack\u003c\/b\u003e (included) or 2x standard AA cells\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,12,0,0\"\u003e\u003cb data-path-to-node=\"11,12,0,0\" data-index-in-node=\"0\"\u003eDimensions \u0026amp; Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,12,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"82 \\times 64 \\times 24\\text{ mm}\" data-index-in-node=\"0\"\u003e82 x 64 x 24mm\u003c\/span\u003e\/ Ultra-lightweight \u003cspan class=\"math-inline\" data-math=\"\\approx 160\\text{ grams}\" data-index-in-node=\"53\"\u003eapprox 160grams\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eHardware Status LED Indicator Guide\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eThe bodypack uses two distinct diagnostic indicator lights located at the top edge for at-a-glance status tracking during a tour:\u003c\/p\u003e\n\u003cul data-path-to-node=\"15\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,0,0\" id=\"p-rc_dd956d63eb2493ef-97\"\u003e\u003cspan class=\"citation-117\"\u003e🟨 \u003c\/span\u003e\u003cb data-path-to-node=\"15,0,0\" data-index-in-node=\"3\"\u003e\u003cspan class=\"citation-117\"\u003eFlashing\/Solid Yellow:\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-117 citation-end-117\"\u003e Peak Warning.\u003csup class=\"superscript\" data-turn-source-index=\"8\"\u003e\u003c!----\u003e\u003c\/sup\u003e\u003c\/span\u003e The guide's voice or line level is hitting the input threshold too hard, indicating you need to turn down the internal input sensitivity. \u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"15,1,0\"\u003e🟥 \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"3\"\u003eSolid Red:\u003c\/b\u003e The transmitter is explicitly \u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"44\"\u003eMuted\u003c\/b\u003e or the battery cells have dropped into critical shutdown parameters (\u003cb data-path-to-node=\"15,1,0\" data-index-in-node=\"119\"\u003eLow Battery\u003c\/b\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"17\"\u003eSystem Component Advisory\u003c\/h3\u003e\n\u003cblockquote data-path-to-node=\"18\"\u003e\n\u003cp data-path-to-node=\"18,0\"\u003e⚠️ \u003cb data-path-to-node=\"18,0\" data-index-in-node=\"3\"\u003eReceiver Complement Requirement:\u003c\/b\u003e The SK 2020-D bodypack transmitter requires matching 2020-D digital receiver units to pass audio. It is fully compatible with both the \u003cb data-path-to-node=\"18,0\" data-index-in-node=\"171\"\u003eSennheiser HDE 2020-D-II Stethoset receivers\u003c\/b\u003e (all-in-one chin-bow headsets) and the \u003cb data-path-to-node=\"18,0\" data-index-in-node=\"255\"\u003eEK 2020-D bodypack receivers\u003c\/b\u003e (designed for standard external headphones or assistive induction neck-loops). It will not transmit to standard analog evolution wireless receiver racks.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp data-path-to-node=\"19\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"attachment-container unknown\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":52073404793134,"sku":"SEN-500548","price":24052.25,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0801\/0157\/2910\/files\/SEN-500548_image1.jpg?v=1782383789","url":"https:\/\/shopvisuals.tv\/products\/sennheiser-sk-2020-d-tourguide-digital-bodypack-transmitter-863-865mhz","provider":"ShopVisuals.tv","version":"1.0","type":"link"}