{"product_id":"ske-450zn4-silent-knight-50w-voice-evacuation-system-with-4-zone-splitter","title":"SKE-450ZN4 | Silent Knight 50W Voice Evacuation System with 4-Zone Splitter","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Silent Knight SKE-450ZN4 is a 50-watt voice evacuation system with a built-in digital message repeater, power supply, and supervised microphone. Designed for fire and life safety applications, it provides reliable emergency voice instructions through 4 speaker zones. The SKE-450ZN4 supports both 25V and 70.7V operation and allows field programming or remote message download for maximum flexibility in new or retrofit installations.\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\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSilent Knight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFire Alarm Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSKE-450ZN4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoice Evacuation System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 watts total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25V or 70.7V RMS, Class A or B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZones\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-zone splitter with All Call function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTwo alarm inputs (reverse polarity and supervised dry contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree programmable digital messages (up to 45 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMicrophone\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilt-in supervised microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDigital Processing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated DSP for tone generation and control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLEDs for Speaker Trouble, Alarm, Mic Trouble, Ground Fault, Low Battery, Power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCabinet Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDead-front metal enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL Listed, CSFM Listed, MEA 429-92-E Vol. XI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.46 × 14.50 × 26.42 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-sheets-root=\"1\"\u003eSKE-450ZN4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe SKE-450ZN4 is part of the Silent Knight SKE-Series Voice Evacuation Systems, engineered for effective and compliant emergency communication. It integrates seamlessly with fire alarm control panels and includes a four-zone splitter that allows Class A or B speaker configurations. The system offers dual alarm inputs, programmable audio playback, and a supervised microphone for paging and configuration. With built-in digital signal processing and tone generation, the SKE-450ZN4 ensures clear, consistent audio performance in commercial and institutional facilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50-Watt Output Power: Supports 25V or 70.7V speaker circuits for a range of installations.\u003c\/li\u003e\n\u003cli\u003e4-Zone Splitter: Divides the amplifier output into four supervised Class A or B zones with All Call capability.\u003c\/li\u003e\n\u003cli\u003eDigital Message Repeater: Stores and replays pre-recorded or field-programmable evacuation messages.\u003c\/li\u003e\n\u003cli\u003eSupervised Microphone: Enables paging and local message recording directly through the control panel.\u003c\/li\u003e\n\u003cli\u003eDual Alarm Inputs: Triggered via reverse polarity or supervised dry contact for flexible activation options.\u003c\/li\u003e\n\u003cli\u003eProgrammable Audio: Messages can be updated via line input, onboard mic, or downloaded through the internet.\u003c\/li\u003e\n\u003cli\u003eVisual Indicators: Includes LEDs for speaker trouble, alarm, microphone trouble, low battery, and ground fault.\u003c\/li\u003e\n\u003cli\u003eRugged Metal Cabinet: Dead-front design prevents tampering and protects internal electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-450ZN4 delivers the reliability and precision required for clear, coordinated voice evacuation in life safety and fire alarm systems.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105159389440,"sku":"SKE-450ZN4","price":4702.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/SKE-450ZN4.jpg?v=1785541582","url":"https:\/\/alotechparts.com\/products\/ske-450zn4-silent-knight-50w-voice-evacuation-system-with-4-zone-splitter","provider":"Alo Tech Solutions","version":"1.0","type":"link"}