{"product_id":"sennheiser-505903-sl-lavalier-set-dw-4-us-r-wireless-lavalier-system","title":"Sennheiser SL Lavalier Set DW-4-US R - Wireless Lavalier System - 505903","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe Sennheiser SL Lavalier Set DW-4-US R is a complete SpeechLine Digital Wireless lavalier microphone system for presentation, house of worship, and commercial meeting space applications. It bundles the discreet MKE 1 omnidirectional lavalier with the SL Bodypack DW transmitter and a rack-mount receiver, delivering hands-free wireless speech capture with automatic frequency management for AV integrators.\u003c\/p\u003e\u003ch2\u003eProduct Description\u003c\/h2\u003e\u003cp\u003e\u003cimg src=\"https:\/\/images.salsify.com\/image\/upload\/s--vSDQfW1F--\/8c433f354576570be703bcec37185701d266d074.jpg\" alt=\"Sennheiser SL Lavalier Set DW-4-US R - Wireless Lavalier System - 505903\" style=\"max-width:100%;height:auto;\" loading=\"lazy\"\u003e\u003c\/p\u003e\u003cp\u003eOperating in the license-free 1.9 GHz band, the system requires no frequency license or registration and uses Automatic Frequency Management to continuously find a clear channel. That removes manual coordination for IT and facilities teams running wireless microphone systems across multiple boardrooms, training rooms, and all-hands rooms.\u003c\/p\u003e\u003cp\u003eThe included MKE 1 condenser lavalier reproduces clear, natural speech while staying visually discreet on presenters and clergy. The SL Rack Receiver DW and GA 4 rack-mount kit support clean equipment-rack integration, and the BA 30 rechargeable battery provides up to 15 hours of operation for full-day events and services.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeechLine Digital Wireless\u003c\/strong\u003e — Digital speech system engineered for business and install AV.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLicense-free 1.9 GHz band\u003c\/strong\u003e — No wireless license or registration required in the US.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Frequency Management\u003c\/strong\u003e — Finds a clear channel automatically, removing manual coordination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMKE 1 lavalier included\u003c\/strong\u003e — Discreet omnidirectional condenser capsule for natural speech.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack-mount receiver\u003c\/strong\u003e — SL Rack Receiver DW with GA 4 kit for equipment-rack installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 15 h battery\u003c\/strong\u003e — BA 30 rechargeable pack supports full-day operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTypical Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHouse of worship\u003c\/li\u003e\n\u003cli\u003eConference room\u003c\/li\u003e\n\u003cli\u003eBoardroom\u003c\/li\u003e\n\u003cli\u003eAuditorium\u003c\/li\u003e\n\u003cli\u003eTraining room\u003c\/li\u003e\n\u003cli\u003eBroadcast studio\u003c\/li\u003e\n\u003cli\u003eMulti-purpose room\u003c\/li\u003e\n\u003cli\u003eCommercial meeting space\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"border-collapse:collapse;width:100%;min-width:320px;font-size:14px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eSystem type\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eSpeechLine Digital Wireless lavalier set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eFrequency band\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003e1.9 GHz (license-free, DECT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eMicrophone\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eMKE 1 omnidirectional condenser lavalier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eTransmitter\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eSL Bodypack DW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eReceiver\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eSL Rack Receiver DW (rack-mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eBattery\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eBA 30 rechargeable pack (up to 15 h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eIncluded\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eMKE 1 lavalier, SL Bodypack DW, receiver, BA 30 battery, GA 4 rack kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eWarranty\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003e2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:6px 12px;border:1px solid #ddd;background:#f7f7f7;white-space:nowrap;\"\u003eCountry of origin\u003c\/th\u003e\n\u003ctd style=\"padding:6px 12px;border:1px solid #ddd;\"\u003eRomania\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDoes the SL Lavalier Set DW require a wireless license?\u003c\/h3\u003e\u003cp\u003eNo. It uses the license-free 1.9 GHz (DECT) band and needs no license or registration for US use.\u003c\/p\u003e\u003ch3\u003eWhich lavalier microphone is included?\u003c\/h3\u003e\u003cp\u003eThe set includes the Sennheiser MKE 1 omnidirectional condenser lavalier, a discreet 3.3 mm capsule mic.\u003c\/p\u003e\u003ch3\u003eHow long does the battery last?\u003c\/h3\u003e\u003cp\u003eThe BA 30 rechargeable pack provides up to 15 hours of operation per charge.\u003c\/p\u003e\u003ch3\u003eIs the receiver suitable for rack installation?\u003c\/h3\u003e\u003cp\u003eYes. The SL Rack Receiver DW ships with the GA 4 kit for standard 19-inch equipment racks.\u003c\/p\u003e\u003ch3\u003eWhat warranty and support are included?\u003c\/h3\u003e\u003cp\u003eThe system carries a 2-year Sennheiser warranty, with integration support from Creation Networks.\u003c\/p\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":47909737169132,"sku":"505903","price":1429.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/8c433f354576570be703bcec37185701d266d074.jpg?v=1783620694","url":"https:\/\/creationnetworks.net\/products\/sennheiser-505903-sl-lavalier-set-dw-4-us-r-wireless-lavalier-system","provider":"Creation Networks","version":"1.0","type":"link"}