{"product_id":"grado-signature-s550-headphone-b-stock","title":"Grado Signature S550 Headphone (B-Stock, Factory Refurbished)","description":"\u003cp class=\"MsoNormal\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_18.jpg?v=1772647560\"\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe Grado Signature \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e brings the core values of the Signature Line into a more streamlined and approachable form. Designed for listeners who value musical engagement as much as technical performance, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e delivers clarity, balance, and energy in a headphone built for long, immersive listening sessions.\u003cu\u003e\u003c\/u\u003e\u003cu\u003e\u003c\/u\u003e\u003cu\u003e\u003c\/u\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eAt its heart, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e is tuned to preserve the immediacy and openness Grado is known for, while offering a refined presentation that remains natural and fatigue-free. From subtle acoustic details to dynamic passages, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e is engineered to connect you more directly to the music — not just the sound.\u003c\/p\u003e\n\u003cdiv id=\"s-2a500690-e36c-404e-8c87-3c108c1f0a22\" class=\"shg-c shg-align-left\"\u003e\n\u003ch2 class=\"shogun-heading-component\"\u003eDriver Design \u0026amp; Engineering\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"s-70386420-bad2-4a85-9a3d-8bf78bd1a8d4\" class=\"shg-c\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content shg-proportional-font-size\"\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e is built around a newly engineered dynamic driver, developed to deliver a balanced and engaging presentation while preserving the speed and clarity that define Grado’s sound. Every element of the driver assembly has been carefully considered, allowing the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e to reproduce fine detail and natural dynamics without sacrificing musical flow.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eBy focusing on control, responsiveness, and tonal accuracy, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e’s driver delivers a sound that feels immediate and open, yet remains composed across a wide range of recordings. The result is a headphone that responds effortlessly to both subtle textures and more demanding passages, making it equally at home with intimate acoustic recordings and larger-scale performance\u003cimg\u003es.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_20_2b509065-1689-4ce5-b90a-f2dedbfa65a5.jpg?v=1772648547\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"shg-c shg-align-right\" id=\"s-096af6d3-2d8c-4e84-836e-253eabd138dd\"\u003e\n\u003cdiv class=\"shogun-heading-component\"\u003e\n\u003ch2\u003eDetachable Cables\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shg-c\" id=\"s-863b0ab1-8152-483d-bd17-ed96b0d75a4d\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content shg-proportional-font-size\"\u003e\n\u003cp class=\"MsoNormal\"\u003eThe \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e features Grado’s detachable cable system, designed to improve flexibility, longevity, and overall usability while maintaining signal integrity. The lightweight cable construction offers increased pliability, reducing memory and improving comfort during extended listening sessions.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eDetachable connections allow for easy replacement and customization, giving listeners the freedom to select alternative terminations or cable lengths to suit their system. Whether used in a traditional single-ended setup or paired with balanced amplification, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e’s cable system is engineered to preserve the headphone’s natural clarity and dynamic response.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_14.png?v=1772647411\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"shg-c shg-align-left\" id=\"s-dee3f22b-03e7-4c4a-be30-06b8b1fbf0fe\"\u003e\n\u003cdiv class=\"shogun-heading-component\"\u003e\n\u003ch2\u003eCushions \u0026amp; Personalization\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"shg-c\" id=\"s-0ee52072-5f61-4178-a874-7b73986d30ed\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content shg-proportional-font-size\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e ships standard with Grado’s B cushions, offering a balanced combination of comfort, support, and acoustic performance. Designed to complement the headphone’s tuning, the B cushions provide a natural presentation that works across a wide range of music and listening styles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eFor those who wish to further tailor their experience, the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e is also compatible with Grado’s S, F, L, and G cushions. Each cushion style subtly influences both comfort and sound, allowing listeners to adjust fit, presentation, and spatial character to better suit their personal preferences. This flexibility makes the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003eeasy to adapt — whether prioritizing long-term comfort, a more intimate presentation, or a broader soundstage.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_13_c2ad7ed6-8f45-4c5e-a7f1-0d576fd679ad.jpg?v=1772646935\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cdiv id=\"s-b352ba31-3265-403a-ab59-9683903fcab1\" class=\"shg-c shg-align-right\"\u003e\n\u003cdiv class=\"shogun-heading-component\"\u003e\n\u003ch2\u003eComfort \u0026amp; Durability\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"s-96b8020f-989d-4ce0-95fa-2c68225c1d71\" class=\"shg-c\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content shg-proportional-font-size\"\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThe \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e features Grado’s proven headband design, engineered to provide long-term comfort and dependable durability. Its adjustable construction allows the headphones to sit securely while distributing weight evenly, helping to reduce pressure during extended listening sessions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eBuilt to withstand daily use, the headband assembly balances flexibility with strength, ensuring consistent fit over time without compromising comfort. Thoughtfully integrated into the overall design, it supports the \u003cspan class=\"il\"\u003eS550\u003c\/span\u003e’s focus on wearability, making it a headphone you can enjoy for hours at a time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cimg style=\"display: block; margin-left: auto; margin-right: auto;\" alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_19_bb49cd44-53cc-4595-9218-966cb028d974.jpg?v=1772648515\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv id=\"s-a9e20ec6-68de-45ae-bb67-8266bc8004d6\" class=\"shg-c shg-align-center\"\u003e\n\u003cdiv class=\"shogun-heading-component\"\u003e\n\u003ch2\u003eHand Assembled in Brooklyn\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"s-0561c30f-112f-42e8-bc89-0a78e8fdf9d4\" class=\"shg-c\"\u003e\n\u003cdiv class=\"shg-rich-text shg-theme-text-content shg-proportional-font-size\"\u003e\n\u003cp dir=\"ltr\"\u003eFounded on a kitchen table in 1953, and working with wood for over a quarter century, Grado Labs has been perfecting the art of sonic reproduction every day since. The Signature S750 has traveled from workbench to workbench until ready for your ears. Every experience since that kitchen table has led to the creation of the Signature S750 headphone.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image_21_f51083ef-f3dc-49b8-af81-2d2acf807323.jpg?v=1772648595\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eTransducer Type:\u003c\/strong\u003e Dynamic\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eOperating Principle:\u003c\/strong\u003e Open Air\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 6Hz - 44kHz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;0.2% @100dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eSPL 1mW:\u003c\/strong\u003e 112dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 38 ohms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eDriver Size:\u003c\/strong\u003e 50mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eDriver Matched:\u003c\/strong\u003e .05dB\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 335g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eCable Type:\u003c\/strong\u003e Signature Silver Detachable\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eHeadphone Connection\u003c\/strong\u003e: 4pin Balanced Mini XLR\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eSource Connection:\u003c\/strong\u003e 3.5mm w\/6.3mm adapter\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003eCushion: \u003c\/strong\u003eB Cushion\u003c\/span\u003e\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":51117609550057,"sku":"S550 (B)","price":845.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0065\/4432\/6771\/files\/Image12.jpg?v=1772646841","url":"https:\/\/audio46.com\/products\/grado-signature-s550-headphone-b-stock","provider":"Audio46 Headphone Store","version":"1.0","type":"link"}