{"product_id":"hedd-audio-heddphone-d1-open-back-headphones-open-box","title":"HEDD Audio HEDDphone D1 Open-Back Headphones (Open Box)","description":"\u003ch2\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eThe first of its kind. Precision without compromise.\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eA new HEDDphone® built for true listening, the D1 delivers the clarity, realism, and tonal integrity of a reference monitor. Every note feels balanced and immediate, details are revealed without fatigue, and the carefully engineered fit ensures lasting comfort for extended sessions.\u003cbr\u003e\u003cbr\u003eThe D1 is the world’s first dynamic headphone with a Thin-Ply Carbon Diaphragm (TPCD). Developed with Swedish company Composite Sound, specialists in advanced audio diaphragms, the D1 combines HEDD’s 40 years of acoustic expertise with advanced material science.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eBuilt with precision, purpose, and material integrity, the HEDDphone® D1 delivers reference-grade accuracy and balance. Made for those who are serious about sound.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"title inline-richtext heading_font-size_medium heading_font-size_medium_mobile\"\u003eKey features\u003c\/h2\u003e\n\u003ch3 class=\"heading_font-size_small\"\u003eThin-Ply Carbon Diaphragm\u003c\/h3\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eAt the heart of the D1 lies a diaphragm made from Thin-Ply Carbon, an advanced composite used in extreme applications from Formula 1 cars to NASA’s Mars helicopter Ingenuity. In headphone design, it becomes something entirely new: TPCD eliminates the need for traditional damping at the diaphragm level, enabling faster, cleaner and more accurate performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HPD1_driver_1.jpg?v=1762551992\" alt=\"TPCD Unit in the D1\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 class=\"heading_font-size_small\"\u003eCustom Dynamic Driver\u003c\/h3\u003e\n\u003cdiv class=\"rte\"\u003eDynamic headphones have long balanced compromises such as speed versus stability or weight versus comfort. Drawing on four decades of R\u0026amp;D experience, and the expertise of Composite Sound, HEDD has engineered the core of the D1 driver to deliver studio-grade precision for personal listening. The result is sound that is detailed, balanced, and fatigue-free.\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HPD1_prod_2.jpg?v=1762552024\" alt=\"D1 being made\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003ch3 class=\"heading_font-size_small\"\u003eUniversal Performance\u003c\/h3\u003e\n\u003cdiv class=\"rte\"\u003eWith 32 Ω impedance and 100 dB sensitivity, the D1 performs consistently across sources from portable players to dedicated amplifiers. It also scales gracefully with higher-end systems while maintaining control and balance.\u003c\/div\u003e\n\u003cdiv class=\"rte\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HDP1_amp_2_c898ef38-a371-4713-9eeb-49ea2ea358ed.jpg?v=1762552094\" alt=\"\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"rte\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch3 class=\"heading_font-size_small\"\u003eDesigned and made in Berlin\u003c\/h3\u003e\n\u003cdiv class=\"rte\"\u003eAll HEDD products are designed and assembled in Berlin by talented engineers and craftspeople who draw from a rich history in audio reproduction to create products tuned to the key of you.\u003c\/div\u003e\n\u003cdiv class=\"rte\" style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/made_in_rounded_2.jpg?v=1762552119\" alt=\"HEDD's Berlin office\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"rte\" style=\"text-align: start;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"image-with-text__heading heading_font-size_medium heading_font-size_medium_mobile rte\"\u003e\u003cspan class=\"metafield-multi_line_text_field\"\u003e\"When it comes to sonic clarity and tonal accuracy, the HEDDphone® D1 produces the kind of sound signature that eludes most audiophiles seeking the Holy Grail of fidelity and balance.\"\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003eMark Sparrow\u003cbr\u003e— Consumer Tech @ Forbes\u003c\/p\u003e\n\u003ch2 class=\"heading_font-size_large heading_font-size_medium_mobile\"\u003eHEDDphone® D1 Measurements\u003c\/h2\u003e\n\u003cp\u003eThe following graph shows the frequency response for the HEDDphone® D1 using two different simulators.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg style=\"float: none;\" alt=\"D1 Measurements\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/D1_Measurements_new_1.webp?v=1762552239\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cq class=\"heading_font-size_large heading_font-size_medium_mobile\"\u003eThe Sound of the HEDDphone® D1\u003c\/q\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eClarity and Balance\u003c\/h4\u003e\n\u003cp\u003eThe D1’s TPCD driver delivers a new level of sonic clarity and tonal accuracy, revealing detail and realism that are rare among dynamic headphones. It bridges the intimacy of headphone listening with the precision of studio monitors.\u003c\/p\u003e\n\u003ch4\u003eComfort and Immersion\u003c\/h4\u003e\n\u003cp\u003eThanks to the diaphragm’s low mass and compact architecture, the driver remains light and responsive, enabling long, fatigue-free sessions and a natural sense of immersion.\u003c\/p\u003e\n\u003ch4\u003eCompatibility and Scalability\u003c\/h4\u003e\n\u003cp\u003eWith 32 Ω impedance and 100 dB sensitivity, the D1 connects easily to most playback devices, while its performance scales gracefully with premium amplification.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/HPD1_side_white_bg_80319b66-202e-4114-871d-44fcde25863e.jpg?v=1762552330\" alt=\"Hero shot of D1\" style=\"float: none;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eThin-Ply Carbon Diaphragm engineered for structural resonance control\u003c\/li\u003e\n\u003cli\u003eUltra-fast and clean transients\u003c\/li\u003e\n\u003cli\u003eCustom dynamic driver tuned for precision, speed, and tonal balance\u003c\/li\u003e\n\u003cli\u003eOpen-back circumaural design delivers natural openness and spacious soundstage\u003c\/li\u003e\n\u003cli\u003eBroad source compatibility, scales with premium amps\u003c\/li\u003e\n\u003cli\u003eLightweight and comfortable, perfect for extended listening sessions\u003c\/li\u003e\n\u003cli\u003eIncludes dual 3.5 mm mono connectors; 6.35 mm adapter; and 2 premium textile-covered detachable cables\u003c\/li\u003e\n\u003cli\u003eCustom carry case\u003c\/li\u003e\n\u003cli\u003eMade in Germany\u003c\/li\u003e\n\u003cli\u003e5 year warranty after registration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e-Design:\u003c\/strong\u003e Open-back over ear headphone\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Drivers:\u003c\/strong\u003e Dynamic with a Thin-ply Carbon Diaphragm\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Frequency Range:\u003c\/strong\u003e 5Hz-40Hz\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Maximum SPL:\u003c\/strong\u003e 100dB at 1mW\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Impedance:\u003c\/strong\u003e Open-back over ear headphone\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Design:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e32 Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Pads:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003ePerforated Velour\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Cable:\u003c\/strong\u003e \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eTextile-covered premium cable\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Inputs:\u003c\/strong\u003e 2 x 3.5mm\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e-Weight:\u003c\/strong\u003e 350g\u003c\/p\u003e\n\u003cdl class=\"specs__list\"\u003e\n\u003cdd class=\"specs__desc\"\u003e\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003c\/div\u003e","brand":"HEDD","offers":[{"title":"Default Title","offer_id":49930911875305,"sku":"HEDDphone D1 (OB)","price":719.1,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/D1_tilted.png?v=1762553579","url":"https:\/\/audio46.com\/products\/hedd-audio-heddphone-d1-open-back-headphones-open-box","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}