{"title":"Silent Knight Interface Boards","description":"\u003cp\u003eSLC expander cards, zone-expansion boards, and voice-evacuation interfaces used to scale Silent Knight panels beyond their resident channel count. SKE-ZN4 and SKE-ZN6 add four and six conventional initiation zones; 058950XL provides an additional SLC loop for larger device counts.\u003c\/p\u003e\u003cp\u003eSKE-450 anchors a 50W digital voice-evacuation platform with SKE-V70 70-volt audio output, paired over SBUS to IFP-100, IFP-300, IFP-1000, and IFP-2000 panels for code-required intelligible notification.\u003c\/p\u003e","products":[{"product_id":"silent-knight-sk-fsl","title":"Silent Knight SK-FSL Addressable Device","description":"\u003cp\u003eSilent Knight SK-FSL Addressable Field Service Loop Device.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003cli\u003eUL 2572\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAddressable SK protocol device for field service and loop diagnostics\u003c\/li\u003e\n\u003cli\u003eSupports the Silent Knight SLC loop infrastructure on 5820XL and 6500 series panels\u003c\/li\u003e\n\u003cli\u003eNFPA 72 and UL 2572 compliance for emergency communications system applications\u003c\/li\u003e\n\u003cli\u003eCommunicates device status to the FACP over the SK protocol SLC\u003c\/li\u003e\n\u003cli\u003eUsed in conjunction with compatible SK-series panel programming and service tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-FSL is an addressable device in the Silent Knight SK protocol product family (a Honeywell brand), designed for use with the 5820XL and 6500 series fire alarm control panels. UL 2572 listing covers mass notification and emergency communication system applications. Consult the applicable installation guide to confirm field wiring, address programming, and compatibility with your installed panel revision before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004331913509,"sku":"SK-FSL","price":300.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-cards-default-title-silent-knight-sk-fsl-fiber-card-34894005993696.jpg?v=1771296627"},{"product_id":"silent-knight-sk-iso","title":"Silent Knight SK-ISO Addressable Device","description":"\u003cp\u003eSilent Knight SK-ISO Addressable Short-Circuit Isolator Module.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCSFM Listed\u003c\/li\u003e\n\u003cli\u003eFM Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIsolates short-circuit faults on the SK SLC to limit the faulted segment to one zone\u003c\/li\u003e\n\u003cli\u003eStandby current 450 μA max when not isolating; relay activates on fault detection\u003c\/li\u003e\n\u003cli\u003eSlim form factor: 4.5\" H x 4\" W x 0.25\" D (11.4 x 10.2 x 0.6 cm), 6.3 oz (196 g)\u003c\/li\u003e\n\u003cli\u003eOperating temperature 32°F to 120°F (0°C to 49°C), 10% to 93% humidity\u003c\/li\u003e\n\u003cli\u003eInstalled between addressable device groups to contain wiring faults per NFPA 72 Class A requirements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-ISO is an addressable short-circuit isolator module for the Silent Knight SK protocol SLC. When a wiring short occurs on the loop, the SK-ISO disconnects the faulted segment while allowing the remainder of the SLC to continue operating — a requirement for Class A (Style 6 or 7) wiring topology under NFPA 72. It is used with 5820XL and 6500 series fire alarm control panels (a Honeywell brand). NFPA 72 recommends placing isolators before and after every group of up to 25 devices on a Class A loop.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004337615141,"sku":"SK-ISO","price":82.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-modules-default-title-silent-knight-sk-iso-isolator-module-34232946557152.jpg?v=1771296527"},{"product_id":"silent-knight-sk-fml","title":"Silent Knight SK-FML Addressable Device","description":"\u003cp\u003eSilent Knight SK-FML Field-Mount Loop Module.\u003c\/p\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eField-mounted module providing SLC loop connectivity for the SK-series ECS\/NVCM mass notification platform\u003c\/li\u003e\n\u003cli\u003eStandby and alarm current both 0.053 A, drawing constant current regardless of alarm state\u003c\/li\u003e\n\u003cli\u003eNon-condensing humidity rated at 90°F (30°C) operating conditions\u003c\/li\u003e\n\u003cli\u003eInterfaces to systems using the ECS-NVCM module for mass notification circuit control\u003c\/li\u003e\n\u003cli\u003eInstalls in the field at the device or zone level for distributed SK SLC loop configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-FML is a field-mount loop module in the Silent Knight SK product line (a Honeywell brand). Datasheet extraction indicates it interfaces with the ECS-NVCM mass notification and voice communications module, placing it within the larger Silent Knight emergency communications system architecture. Its constant 0.053 A draw simplifies loop loading calculations. Consult the SK-FML and ECS-NVCM installation guides to confirm circuit wiring, address configuration, and compatible panel firmware versions before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004353540389,"sku":"SK-FML","price":135.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-fire-alarms-default-title-silent-knight-sk-fml-plug-in-fiber-loop-module-31950633337056.jpg?v=1771296328"},{"product_id":"silent-knight-wsk-wgi","title":"Silent Knight WSK-WGI Wireless Addressable Device","description":"\u003cp\u003eSilent Knight WSK-WGI SWIFT Wireless Gateway Interface.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eWireless-to-SLC gateway that bridges the SWIFT mesh radio network to the SK protocol SLC\u003c\/li\u003e\n\u003cli\u003eEnables wireless SWIFT devices (WSK-HEAT, WSK-MONITOR, WSK-PULL-DA, WSK-RELAY) to appear as SLC points on the SK panel\u003c\/li\u003e\n\u003cli\u003e10% to 93% non-condensing humidity tolerance\u003c\/li\u003e\n\u003cli\u003eFCC-compliant wireless transmitter for US installations\u003c\/li\u003e\n\u003cli\u003eConnects to the SK SLC on 5820XL or 6500 series panels as a standard SLC device\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe WSK-WGI is the SWIFT wireless gateway interface for Silent Knight SK-protocol fire alarm systems (a Honeywell brand). It translates wireless signals from SWIFT mesh devices into SK SLC communications, allowing wireless devices to be incorporated into an otherwise wired SK addressable system. Each WSK-WGI gateway supports a defined number of wireless endpoints — confirm maximum device count and RF channel configuration in the WSK-WGI installation guide before deploying wireless devices.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004353704229,"sku":"WSK-WGI","price":420.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-fire-alarms-default-title-silent-knight-wsk-wgi-swift-wireless-31897014829280.jpg?v=1771296327"},{"product_id":"silent-knight-sk-nic","title":"Silent Knight SK-NIC Addressable Device","description":"\u003cp\u003eSilent Knight SK-NIC Network Interface Card.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003cli\u003eFM Approved\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNetwork interface card enabling IP or network communication from a Silent Knight FACP\u003c\/li\u003e\n\u003cli\u003eStandby and alarm current both 21 mA at operating voltage\u003c\/li\u003e\n\u003cli\u003eOperating temperature 32°F to 120°F (0°C to 49°C), 0% to 93% relative humidity (non-condensing)\u003c\/li\u003e\n\u003cli\u003eSupports remote annunciation, monitoring, and panel-to-panel communication over a network\u003c\/li\u003e\n\u003cli\u003eCompatible with 5820XL and 6500 series panels; installs as an expansion card in the panel enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-NIC is a network interface card for Silent Knight SK-series fire alarm control panels (a Honeywell brand). It extends the panel's communication capabilities to support IP-based remote monitoring, distributed network reporting, or panel annunciation over structured cabling infrastructure. FM Approval supports insurance-sensitive installations. Confirm the specific communication protocol (Ethernet, RS-485 network, or proprietary SKNET), firmware compatibility, and licensed software requirements from the SK-NIC installation documentation before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004358619429,"sku":"SK-NIC","price":785.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-network-cards-default-title-silent-knight-sk-nic-network-interface-card-31897009193184.jpg?v=1771296248"},{"product_id":"silent-knight-sk-zone","title":"Silent Knight SK-ZONE Addressable Device","description":"\u003cp\u003eSilent Knight SK-ZONE Addressable Zone Module.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003cli\u003eUL 2572\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAddressable zone module for defining and grouping initiating circuits on the SK SLC\u003c\/li\u003e\n\u003cli\u003eUL 2572 listed for emergency communications system zone management applications\u003c\/li\u003e\n\u003cli\u003eCommunicates zone status to the 5820XL or 6500 series FACP over the SK protocol SLC\u003c\/li\u003e\n\u003cli\u003eEnables zone-based notification routing and alarm verification sequences\u003c\/li\u003e\n\u003cli\u003eConsult the SK-ZONE installation guide for address programming and zone mapping configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SK-ZONE is an addressable zone management module in the Silent Knight SK protocol product line (a Honeywell brand). Zone modules are used to partition a building into defined fire zones, enabling selective notification, zone-based alarm verification, and targeted suppression interface outputs from the FACP. Its UL 2572 listing supports use in emergency communications system architectures that require zone-specific audio or notification outputs. Review the SK-ZONE installation documentation for wiring, programming, and compatible panel firmware before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004366450981,"sku":"SK-ZONE","price":139.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-modules-default-title-silent-knight-sk-zone-2-wire-interface-module-34143053938912.jpg?v=1771296152"},{"product_id":"silent-knight-ske-zn4","title":"Silent Knight SKE-ZN4 Expander Board","description":"\u003cp\u003eSilent Knight SKE-ZN4 Four-Zone Speaker Splitter Expander.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eMEA Approved 429-92-E\u003c\/li\u003e\n\u003cli\u003eCSFM Listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDivides a single voice evacuation amplifier output into four independent speaker zone circuits\u003c\/li\u003e\n\u003cli\u003eOperates with the SKE-450 50-watt voice evacuation system expander panel\u003c\/li\u003e\n\u003cli\u003eSupports 25 or 70.7 VRMS speaker circuits in Class A or Class B wiring configurations\u003c\/li\u003e\n\u003cli\u003eEach zone independently activated for floor-by-floor or area-based evacuation signaling\u003c\/li\u003e\n\u003cli\u003eField-supervised speaker circuit outputs for wiring fault detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-ZN4 is a four-zone speaker splitter expansion module for the Silent Knight SKE-450 voice evacuation system (a Honeywell brand). It partitions the SKE-450's 50-watt amplifier output into four supervised speaker zone circuits, allowing zone-by-zone evacuation announcements in mid-sized buildings. Independent zone activation supports phased evacuation strategies — for example, alarming only the affected floor plus adjacent floors during the initial alert. MEA 429-92-E and CSFM listings extend applicability to New York City and California installations. Confirm speaker line voltage, wiring class, and total connected load against the SKE-ZN4 installation guide.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004374118693,"sku":"SKE-ZN4","price":550.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-fire-alarms-default-title-silent-knight-ske-zn4-voice-evacuation-34705722835168.jpg?v=1771296034"},{"product_id":"silent-knight-058950xl","title":"Silent Knight 058950XL Interface Board","description":"\u003cp\u003eSilent Knight 058950XL Interface Board.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eUL 864\u003c\/li\u003e\n\u003cli\u003eNFPA 72\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eInterface board for Silent Knight 5820XL and 6500 series fire alarm control panels\u003c\/li\u003e\n\u003cli\u003eProvides expansion or accessory interface functionality within the panel enclosure\u003c\/li\u003e\n\u003cli\u003eMounts on dedicated expansion slots in the host panel\u003c\/li\u003e\n\u003cli\u003eDesigned for low standby current to minimize panel power budget impact\u003c\/li\u003e\n\u003cli\u003eField-replaceable for service of installed SK-series fire alarm systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 058950XL is an interface board accessory in the Silent Knight SK-series product line (a Honeywell brand). It installs in 5820XL or 6500 series fire alarm control panels to extend panel-level interface capability for accessory connections, supplemental I\/O, or releasing\/communication functions depending on the specific board revision. UL 864 listing maintains the panel's compliance posture when the board is installed per the manufacturer's instructions. Reference the 058950XL compatibility matrix in the host panel service documentation to confirm panel revision and slot availability before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004374282533,"sku":"058950XL","price":769.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-boards-default-title-silent-knight-058950xl-pc-board-31896988647648.jpg?v=1771296031"},{"product_id":"silent-knight-ske-450-50w-voice-evacuation-panel-50w","title":"Silent Knight SKE-450 Expander Board","description":"\u003cp\u003eSilent Knight SKE-450 Voice Evacuation System Expander.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eMEA Approved 429-92-E\u003c\/li\u003e\n\u003cli\u003eCSFM Listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e50-watt audio output on a 25 or 70.7 VRMS speaker circuit (Class A or Class B wiring)\u003c\/li\u003e\n\u003cli\u003eBuilt-in Digital Message Repeater stores up to three messages; message three is field-programmable up to 45 seconds\u003c\/li\u003e\n\u003cli\u003eBuilt-in supervised microphone for live paging and field message programming\u003c\/li\u003e\n\u003cli\u003eDownloadable voice messages via direct connect from the SK website\u003c\/li\u003e\n\u003cli\u003eZone splitter models (SKE-450-ZN4 \/ ZN6) divide speaker output into 4 or 6 independent zone circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-450 is a 50-watt voice evacuation system expander panel in the Silent Knight product line (a Honeywell brand). It operates as a standalone voice evacuation system or as an expansion unit in larger multi-zone installations. Two alarm inputs accept reverse polarity and supervised dry-contact triggers. Audio messages can be field-programmed through the built-in microphone, line-level input, or downloaded via internet connection. The SKE-450-ZN4 and SKE-450-ZN6 variants add four or six independent zone speaker circuits for floor-by-floor or zone-based evacuation signaling.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004380082469,"sku":"SKE-450","price":2263.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/1060132612_lg.jpg?v=1771300459"},{"product_id":"silent-knight-ske-v70","title":"Silent Knight SKE-V70 Expander Board","description":"\u003cp\u003eSilent Knight SKE-V70 Voice Evacuation Amplifier Expander.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eUL 2572\u003c\/li\u003e\n\u003cli\u003eMEA Approved 429-92-E\u003c\/li\u003e\n\u003cli\u003eCSFM Listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVoice evacuation amplifier expander for Silent Knight emergency voice system installations\u003c\/li\u003e\n\u003cli\u003eProvides additional speaker circuit audio power beyond the host EVS panel budget\u003c\/li\u003e\n\u003cli\u003eSupports 25 or 70.7 VRMS speaker circuits in Class A or Class B wiring\u003c\/li\u003e\n\u003cli\u003eUL 2572 listed for emergency communications system applications\u003c\/li\u003e\n\u003cli\u003eCompatible with the SKE-450 and 6820EVS voice evacuation platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-V70 is a voice evacuation amplifier expander for Silent Knight emergency voice system installations (a Honeywell brand). It supplements the host panel's audio amplifier output to support larger speaker loads in mid-to-large building installations where the base EVS panel cannot drive all required notification circuits. UL 2572 listing supports mass notification and emergency communications applications, and MEA 429-92-E and CSFM listings cover New York City and California installations. Confirm host EVS panel compatibility, total connected speaker load, and supervised wiring configuration from the SKE-V70 installation guide before ordering.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004380148005,"sku":"SKE-V70","price":234.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/silent-knight-voice-systems-default-title-silent-knight-ske-v70-voice-evac-70-rms-31897012338912.jpg?v=1771295927"},{"product_id":"silent-knight-ske-zn6","title":"Silent Knight SKE-ZN6 Expander Board","description":"\u003cp\u003eSilent Knight SKE-ZN6 Six-Zone Speaker Splitter Expander.\u003c\/p\u003e\n\u003ch3\u003eCompliance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUL Listed\u003c\/li\u003e\n\u003cli\u003eMEA Approved 429-92-E\u003c\/li\u003e\n\u003cli\u003eCSFM Listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDivides a single voice evacuation amplifier output into six independent speaker zone circuits\u003c\/li\u003e\n\u003cli\u003eOperates with the SKE-450 50-watt voice evacuation system expander panel\u003c\/li\u003e\n\u003cli\u003eSupports 25 or 70.7 VRMS speaker circuits in Class A or Class B wiring configurations\u003c\/li\u003e\n\u003cli\u003eEach zone independently activated for floor-by-floor or area-based evacuation signaling\u003c\/li\u003e\n\u003cli\u003eField-supervised speaker circuit outputs for wiring fault detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe SKE-ZN6 is a six-zone speaker splitter expansion module for the Silent Knight SKE-450 voice evacuation system (a Honeywell brand). It partitions the SKE-450's 50-watt amplifier output into six supervised speaker zone circuits, supporting zone-by-zone evacuation announcements in larger buildings where four zones are insufficient. Independent zone activation enables phased evacuation strategies — alarming only the affected floor plus adjacent floors initially, then expanding the alert as conditions warrant. MEA 429-92-E and CSFM listings cover New York City and California installations. Confirm speaker line voltage, wiring class, and total connected load against the SKE-ZN6 installation guide.\u003c\/p\u003e\n\u003cp\u003eVerify panel\/device family compatibility before ordering.\u003c\/p\u003e","brand":"Silent Knight","offers":[{"title":"Default Title","offer_id":52004391223589,"sku":"SKE-ZN6","price":767.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/7648\/4645\/files\/SK-SKEZN6.jpg?v=1771295779"}],"url":"https:\/\/fastalarmdistribution.com\/collections\/silent-knight-interface-boards.oembed","provider":"Fast Alarm Distribution","version":"1.0","type":"link"}