{"product_id":"ske-450-silent-knight-voice-evacuation-control-panel-pc-board-50w","title":"SKE-450 | Silent Knight Voice Evacuation Control Panel PC Board 50W","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003eThe Silent Knight SKE-450 is a powerful voice evacuation control panel that delivers 50 watts of audio output over Class A or B speaker circuits. Designed for fire alarm applications, it combines digital audio processing with easy programming and high reliability.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"height: 390.219px; width: 100%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 38.75px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0909%; text-align: left; height: 38.75px;\"\u003eCondition\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.5455%; height: 38.75px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.3438px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0909%; text-align: left; height: 27.3438px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.5455%; height: 27.3438px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eSilent Knight\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.625px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.625px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.625px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003eFire Safety Systems\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.7344px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 23.7344px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 23.7344px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eSKE-450\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 24.1875px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 24.1875px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 24.1875px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eVoice Evacuation Panels\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 32.75px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 32.75px;\"\u003e\u003cspan\u003eOutput Power\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 32.75px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003e50 Watts\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.75px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 27.75px;\"\u003eSpeaker Circuit\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 27.75px;\"\u003e25 or 70.7 VRMS (Class A or B)\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 39.1875px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eDigital Message Repeater\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 39.1875px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eBuilt-in, 3 messages (30s\/30s\/45s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.5625px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.5625px;\"\u003eAudio Processing\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.5625px;\"\u003eDigital Signal Processor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.3594px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 21.3594px;\"\u003eMicrophone\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 21.3594px;\"\u003e\u003cspan\u003eSupervised, built-in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eAlarm Inputs\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003eReverse polarity, supervised dry contact\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eCabinet Type\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003eDead Front\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eCertifications\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003eUL Listed, MEA 429-92-E Vol. XI, CSFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eDimensions (H×W×D)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e26.4\" × 17.2\" × 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003e16 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eSKE-450\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe SKE-450 is part of Silent Knight’s SKE-Series Voice Evacuation Systems, designed to support both new and retrofit fire alarm installations. The unit includes a built-in Digital Message Repeater (DMR), a supervised microphone, and a reliable 50W amplifier for clear, intelligible evacuation messages. It operates on either 25 or 70.7 VRMS speaker circuits and allows for flexible message programming via microphone, line input, or internet download. The SKE-450 provides dual alarm input options (reverse polarity and dry contact), ensuring compatibility with a range of fire alarm control panels and emergency notification systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50W Output Power: Delivers strong audio performance on 25 or 70.7 VRMS speaker circuits for reliable notification.\u003c\/li\u003e\n\u003cli\u003eClass A\/B Speaker Circuit Support: Provides wiring flexibility for a wide range of installation types.\u003c\/li\u003e\n\u003cli\u003eBuilt-in Digital Message Repeater: Stores 3 messages—two built-in (30 sec) and one field-programmable (45 sec)—to streamline setup.\u003c\/li\u003e\n\u003cli\u003eDirect Message Download: Supports downloading of custom voice messages from the SK website at no cost.\u003c\/li\u003e\n\u003cli\u003eDigital Signal Processor (DSP): Generates tones and manages control functions with high-quality audio.\u003c\/li\u003e\n\u003cli\u003eSupervised Microphone: Allows paging and message programming directly through the panel, with supervision for fault detection.\u003c\/li\u003e\n\u003cli\u003eDual Alarm Inputs: Supports both reverse polarity and supervised dry contact for triggering evacuation.\u003c\/li\u003e\n\u003cli\u003eDead Front Cabinet Design: Prevents tampering and protects users from exposed electronics.\u003c\/li\u003e\n\u003cli\u003eCertified for Compliance: UL Listed, MEA Approved (429-92-E Vol. XI), and CSFM Listed for code compliance.\u003c\/li\u003e\n\u003cli\u003eFlexible Programming Options: Audio messages can be programmed via mic input, line-level input, or internet download.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-450 combines safety, versatility, and user-friendly configuration to meet demanding emergency voice communication standards.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105352360192,"sku":"SKE-450","price":3608.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/hbt-fire-ske450-primaryimage.jpg?v=1785545458","url":"https:\/\/alotechparts.com\/products\/ske-450-silent-knight-voice-evacuation-control-panel-pc-board-50w","provider":"Alo Tech Solutions","version":"1.0","type":"link"}