{"product_id":"evs-int50w-silent-knight-intelligent-50w-voice-evacuation-amplifier-for-evs-systems","title":"EVS-INT50W | Silent Knight Intelligent 50W Voice Evacuation Amplifier for EVS Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Silent Knight EVS-INT50W Intelligent 50W Amplifier is a high-performance voice evacuation amplifier designed for use with Silent Knight’s EVS fire alarm systems. It delivers 50 watts of supervised audio power across one speaker circuit, ensuring clear and reliable emergency communication. Compact and easy to mount within compatible panels, the EVS-INT50W provides dependable operation for small to medium voice evacuation installations.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\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 Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEVS-INT50W\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 Amplifiers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntelligent 50W Internal Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal, cabinet-mount (5820XL-EVS \/ 6820EVS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Circuit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Class A or Class B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC constant auxiliary power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLine Voltage Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25V or 70.7V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSBUS and VBUS (six-wire connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5820XL-EVS, 6820EVS systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 864, UL 2572\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTone Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL listed for 520Hz signaling (with compatible speakers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupervision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull supervision via host panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCabinet Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (H × W × D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" × 4.5\" × 1.8\"\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\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.8 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\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e\n\u003cspan data-sheets-root=\"1\"\u003eEVS-INT50W\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EVS-INT50W is part of the Silent Knight IntelliKnight® Emergency Voice System (EVS) series, engineered to enhance voice evacuation functionality within integrated fire alarm networks. It is designed to mount directly inside the 5820XL-EVS or 6820EVS control panel cabinet, simplifying installation and reducing external power requirements. The amplifier operates on 24V DC auxiliary power and supports both 25V and 70.7V speaker line configurations, accommodating a wide range of building applications. With addressable SBUS connectivity and full supervision through the control panel, the EVS-INT50W ensures consistent audio output and reliable emergency messaging performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e50W Audio Power Output: Provides 50 watts of supervised audio power for clear and consistent evacuation messaging.\u003c\/li\u003e\n\u003cli\u003eCompact Internal Design: Mounts directly in the 5820XL-EVS or 6820EVS cabinet to save space and simplify system layout.\u003c\/li\u003e\n\u003cli\u003eClass A or B Speaker Circuit: Supports one fully programmable Class A or Class B speaker circuit for flexible wiring options.\u003c\/li\u003e\n\u003cli\u003eDual Voltage Operation: Compatible with 25V or 70.7V RMS configurations for diverse system requirements.\u003c\/li\u003e\n\u003cli\u003eSBUS Addressable: Communicates directly with the control panel via the SBUS for seamless integration.\u003c\/li\u003e\n\u003cli\u003e520Hz Signaling Support: UL-listed for low-frequency tone output when used with approved speakers.\u003c\/li\u003e\n\u003cli\u003eSimplified Installation: Six-wire connection design—Voice BUS, SBUS, and 24V DC—reduces setup time.\u003c\/li\u003e\n\u003cli\u003eFull Supervision: Continuously monitored by the host panel for power, connection, and performance integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EVS-INT50W delivers the reliability and precision required for professional-grade fire alarm voice evacuation systems.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105154113792,"sku":"EVS-INT50W","price":1452.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/PR218989V2.jpg?v=1785541449","url":"https:\/\/alotechparts.com\/products\/evs-int50w-silent-knight-intelligent-50w-voice-evacuation-amplifier-for-evs-systems","provider":"Alo Tech Solutions","version":"1.0","type":"link"}