{"product_id":"ew-dem-r4-9-wireless-receiver","title":"EW-DEM (R4-9) Wireless Receiver","description":"\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"cd25cffd-546f-4e56-afcd-44e9b112424b\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003cp data-start=\"42\" data-end=\"192\"\u003eThe \u003cstrong data-start=\"46\" data-end=\"75\"\u003eSennheiser EW-D EM (R4-9)\u003c\/strong\u003e is a professional digital wireless receiver from the Evolution Wireless Digital series. It is designed to work with:\u003c\/p\u003e\n\u003cul data-start=\"193\" data-end=\"370\"\u003e\n\u003cli data-section-id=\"12y8ezc\" data-start=\"193\" data-end=\"224\"\u003eEW-D SK bodypack transmitters\u003c\/li\u003e\n\u003cli data-section-id=\"8j367u\" data-start=\"225\" data-end=\"257\"\u003eEW-D SKM handheld transmitters\u003c\/li\u003e\n\u003cli data-section-id=\"136webb\" data-start=\"258\" data-end=\"288\"\u003eLavalier and headset systems\u003c\/li\u003e\n\u003cli data-section-id=\"1mzwrn5\" data-start=\"289\" data-end=\"370\"\u003eWireless instrument systems for accordion, guitar, bajo quinto, bass, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"372\" data-end=\"464\"\u003eThis model operates in the \u003cstrong data-start=\"399\" data-end=\"439\"\u003eR4-9 frequency range (552–607.8 MHz)\u003c\/strong\u003e and is commonly used in:\u003c\/p\u003e\n\u003cul data-start=\"465\" data-end=\"551\"\u003e\n\u003cli data-section-id=\"1m1tecb\" data-start=\"465\" data-end=\"479\"\u003eTouring rigs\u003c\/li\u003e\n\u003cli data-section-id=\"57xb6s\" data-start=\"480\" data-end=\"492\"\u003eLive bands\u003c\/li\u003e\n\u003cli data-section-id=\"c12m1l\" data-start=\"493\" data-end=\"503\"\u003eChurches\u003c\/li\u003e\n\u003cli data-section-id=\"1rgb3i4\" data-start=\"504\" data-end=\"518\"\u003eCorporate AV\u003c\/li\u003e\n\u003cli data-section-id=\"4d7o9j\" data-start=\"519\" data-end=\"551\"\u003eProfessional stage productions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"mx86qy\" data-start=\"553\" data-end=\"570\"\u003eMain Features\u003c\/h3\u003e\n\u003cul data-start=\"571\" data-end=\"1083\"\u003e\n\u003cli data-section-id=\"1f452s0\" data-start=\"571\" data-end=\"602\"\u003eDigital UHF wireless receiver\u003c\/li\u003e\n\u003cli data-section-id=\"1lwk4a8\" data-start=\"603\" data-end=\"639\"\u003eFrequency range: \u003cstrong data-start=\"622\" data-end=\"639\"\u003e552–607.8 MHz\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5g8qz7\" data-start=\"640\" data-end=\"699\"\u003eIntelligent diversity reception for stable RF performance\u003c\/li\u003e\n\u003cli data-section-id=\"11hbo6d\" data-start=\"700\" data-end=\"731\"\u003eUltra-low latency: \u003cstrong data-start=\"721\" data-end=\"731\"\u003e1.9 ms\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4mdtcn\" data-start=\"732\" data-end=\"764\"\u003eHuge dynamic range: \u003cstrong data-start=\"754\" data-end=\"764\"\u003e134 dB\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ujfwbb\" data-start=\"765\" data-end=\"811\"\u003eBluetooth control with EW-D Smart Assist App\u003c\/li\u003e\n\u003cli data-section-id=\"dz4a6q\" data-start=\"812\" data-end=\"851\"\u003eRackmount-compatible half-rack design\u003c\/li\u003e\n\u003cli data-section-id=\"pob186\" data-start=\"852\" data-end=\"888\"\u003eUp to \u003cstrong data-start=\"860\" data-end=\"888\"\u003e90 simultaneous channels\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"v0lcxf\" data-start=\"889\" data-end=\"1083\"\u003eAuto frequency scan and synchronization\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":48426270720249,"sku":"48426270720249","price":329.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0320\/1869\/4189\/files\/VTO_15.png?v=1779320054","url":"https:\/\/massimoaccordions.com\/products\/ew-dem-r4-9-wireless-receiver","provider":"Massimo Accordions","version":"1.0","type":"link"}