{"product_id":"zmf-atrium-ltd-open-back-headphones-redwood-burl","title":"ZMF Atrium LTD Open Back Headphones - Redwood Burl","description":"\u003cp\u003eThe \u003cstrong\u003eZMF Atrium Open - Redwood Burl LTD\u003c\/strong\u003e is a limited-edition flagship open-back headphone featuring rare, old-growth California Redwood Burl (\u003cem\u003eSequoia sempervirens\u003c\/em\u003e) earcups. Formed over centuries, each earcup displays an organic arrangement of lacy swirling eyes, mineral deposits, and rich color shifts ranging from deep crimson and burgundy to warm amber. Accented with an anodized black aluminum chassis, black grille and rods, and a custom maroon grille cloth, the Redwood Burl LTD blends acoustic engineering with one-of-a-kind visual craftsmanship.\u003c\/p\u003e\n\n\u003cp\u003eAt the core of the Atrium Open is ZMF’s proprietary 300-ohm Biocellulose N52 dynamic driver paired with the Atrium Damping System. This acoustic damping network regulates air pressure within the wooden cup volume, yielding an expansive, three-dimensional soundstage with deep bass extension, natural midrange timbre, and smooth high-frequency detail. Weighing approximately 490g and backed by ZMF's lifetime driver warranty, each unit comes complete with two pairs of leather or suede pads, a stock braided cable, and a rugged Seahorse protective flight case.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES \u0026amp; PROPRIETARY TECHNOLOGIES\u003c\/h3\u003e\n\n\u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eExotic California Redwood Burl Earcups:\u003c\/strong\u003e Crafted from ancient coastal Redwood Burl, presenting unique swirling grain patterns, bird's-eye formations, and rich natural color transitions.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eBiocellulose N52 Atrium Tuned Driver:\u003c\/strong\u003e High-impedance (300 Ohms) dynamic driver with an ultra-strong N52 neodymium magnet assembly for fast transient response and low distortion.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePatent-Pending Atrium Damping System:\u003c\/strong\u003e Acoustic damping architecture that manages back-wave pressure and airflow inside the cup to deliver an open, multi-layered soundstage.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCustom Aesthetic Accents:\u003c\/strong\u003e Features lightweight anodized black aluminum chassis hardware, black rods, black grilles, and a contrasting maroon internal grille cloth.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDual Pad Tuning Options:\u003c\/strong\u003e Supplied with two sets of ZMF ear pads (stock plus a secondary leather or suede pair) to allow fine-tuning of acoustic isolation and tonal balance.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eRugged Seahorse Flight Case \u0026amp; Lifetime Warranty:\u003c\/strong\u003e Packaged in a heavy-duty, weather-resistant Seahorse hard case and backed by ZMF’s signature Lifetime Driver Warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\n\n\u003ctable style=\"width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Category\u003c\/td\u003e\n      \u003ctd\u003eOpen-Back Dynamic Audiophile Headphones\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBrand \/ Manufacturer\u003c\/td\u003e\n      \u003ctd\u003eZMF Headphones\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModel Designation\u003c\/td\u003e\n      \u003ctd\u003eAtrium Open — Redwood Burl LTD (Limited Edition)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEarcup Wood Type\u003c\/td\u003e\n      \u003ctd\u003eOld-Growth California Redwood Burl (Sequoia sempervirens)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDriver Type \u0026amp; Magnet\u003c\/td\u003e\n      \u003ctd\u003eBiocellulose Dynamic Driver with N52 Neodymium Magnet System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAcoustic Tuning\u003c\/td\u003e\n      \u003ctd\u003eAtrium Damping System Architecture\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Impedance\u003c\/td\u003e\n      \u003ctd\u003e300 Ohms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSensitivity\u003c\/td\u003e\n      \u003ctd\u003e~96 dB \/ mW\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eChassis Material \u0026amp; Hardware Finish\u003c\/td\u003e\n      \u003ctd\u003eAluminum Chassis with Anodized Black Grille, Black Rods, and Maroon Grille Cloth\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eWeight\u003c\/td\u003e\n      \u003ctd\u003e490g ± 30g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCarrying Case\u003c\/td\u003e\n      \u003ctd\u003eSeahorse Hard Travel Case\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDriver Warranty\u003c\/td\u003e\n      \u003ctd\u003eLifetime Driver Warranty\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIn the Box\u003c\/td\u003e\n      \u003ctd\u003eZMF Atrium Open Redwood Burl LTD Headphones, ZMF Stock Braided Cable, Stock Ear Pads, Secondary Leather or Suede Ear Pads, ZMF Owner's Card, Seahorse Case\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ZMF","offers":[{"title":"Aluminium Black \/ Leather Headband \u0026 Ruby BBB Strap \/ Satin Black Rod \u0026 Grill","offer_id":53776135782666,"sku":"ZMF-ATRIUM-OB-1","price":2299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/zmf-atrium-ltd-open-back-headphones-redwood-burl-50779-p_657e717f-db78-4169-90e7-faba7ac6af77.webp?v=1789921341","url":"https:\/\/audioemotion.co.uk\/products\/zmf-atrium-ltd-open-back-headphones-redwood-burl","provider":"Audio Emotion Limited","version":"1.0","type":"link"}