{"product_id":"evs-100w-silent-knight-intelligent-50100w-voice-system-amplifier-with-backup-power","title":"EVS-100W | Silent Knight Intelligent 50\/100W Voice System Amplifier with Backup Power","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Silent Knight EVS-100W is an intelligent 50\/100-watt distributed audio amplifier designed for use with Version 14.0 or newer 5820XL-EVS or 6820EVS fire alarm control panels. It amplifies audio messages for building-wide distribution and supports up to 100 watts of total audio power with an optional 50-watt backup configuration. The unit ensures reliable emergency voice communication performance and full system supervision in critical applications.\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\u003eEVS-100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVoice System Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 W total; configurable as 50W+50W backup or 100W single channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Circuits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 supervised outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 VAC 60 Hz or 240 VAC 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Output Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 Vrms or 70.7 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackup Battery Support\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7–35 Ah; up to 18 Ah inside cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6 conductors (2 for voice bus, 4 for SBUS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 6,000 ft from EVS control panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAudio Bandwidth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e400 Hz to 4,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL 864, UL 2572, NFPA 72\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 and 6820EVS systems (Version 14.0 or newer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed metal cabinet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32°F to 120°F (0°C to 49°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.10 × 26.50 × 4.10 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 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\"\u003eEVS-100W\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe EVS-100W is part of the Silent Knight Emergency Voice System (EVS) series by Honeywell, built to deliver high-performance audio amplification within life safety and fire communication systems. It provides up to eight supervised speaker circuits and includes its own power supply with battery backup for continuous operation during power loss. The amplifier can operate in several configurations, including 50W+50W backup or a single 100W channel, ensuring flexibility for system design. Fully supervised by the control panel, the EVS-100W maintains communication integrity and compliance with NFPA 72 and UL 864 standards for emergency voice signaling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Output Power: Delivers up to 100 watts of audio power at 25 Vrms or 70.7 Vrms for clear message distribution.\u003c\/li\u003e\n\u003cli\u003eFlexible Configuration: Operates as 50W+50W backup, 100W single channel, or 100W with 50W backup (when used with EVS-100WBU).\u003c\/li\u003e\n\u003cli\u003eIntegrated Power Supply: Includes a built-in power source with battery backup for continuous reliability.\u003c\/li\u003e\n\u003cli\u003eEight Speaker Circuits: Provides eight supervised NAC outputs for multiple audio zones.\u003c\/li\u003e\n\u003cli\u003eExtended Mounting Distance: Can be installed up to 6,000 feet from the control panel for remote deployment.\u003c\/li\u003e\n\u003cli\u003eCompliant Design: Meets UL 864, UL 2572, and NFPA 72 low-frequency tone requirements for sleeping areas.\u003c\/li\u003e\n\u003cli\u003eBackup Amplifier Test: Allows physical testing of backup amplifier functionality for maintenance assurance.\u003c\/li\u003e\n\u003cli\u003eWide Bandwidth: Supports 400 Hz to 4,000 Hz frequency range for high-quality audio transmission.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe EVS-100W delivers the reliability and precision required for emergency communication, life safety, and voice evacuation systems in commercial and institutional environments.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":49105159586048,"sku":"EVS-100W","price":3817.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/evs-100w.jpg?v=1785541589","url":"https:\/\/alotechparts.com\/products\/evs-100w-silent-knight-intelligent-50100w-voice-system-amplifier-with-backup-power","provider":"Alo Tech Solutions","version":"1.0","type":"link"}