{"product_id":"geekria-apollo-silver-plated-upgrade-audio-cable-for-sennheiser-hd-620s-599-598-560s-400pro-579-569-550-505-4-4mm-to-2-5mm","title":"GEEKRIA Apollo Silver-Plated Upgrade Audio Cable for Sennheiser HD 620S\/599\/598\/560S\/400PRO\/579\/569\/550\/505 | 4.4mm to 2.5mm","description":"\u003ch2\u003eDiscover the GEEKRIA Apollo Silver-Plated Upgrade Cable\u003c\/h2\u003e\n\u003cp\u003eUpgrade your listening experience with the GEEKRIA Apollo cable, designed to pair seamlessly with a wide range of Sennheiser headphones. This high-purity upgrade cord blends 4 strands of 5N OCC copper with silver-plated copper, delivering a vibration-free, low-loss signal path for enhanced clarity and detail across your favorite tracks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat makes Apollo stand out:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePremium materials\u003c\/strong\u003e: Cryogenic-annealed single-crystal copper and silver-plated copper create a robust, low-resistance conductor with reduced microphonic noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThoughtful construction\u003c\/strong\u003e: The 0.08mm x 7 strands x 2 strands OCC and the dual-layer Litz insulation minimize capacitance and skin-effect losses, helping you hear more nuance in high-resolution recordings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable yet flexible\u003c\/strong\u003e: A transparent SoftFlex PVC jacket protects the inner conductors while remaining pliable for easy handling and long-term use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerfect compatibility\u003c\/strong\u003e: Made to work with Sennheiser HD 400 PRO through HD 620S, including several HD 5xx\/59x models and more, via a 4.4mm to 2.5mm plug configuration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-world fit\u003c\/strong\u003e: A 120 cm (4 ft) length offers ample room for desktop rigs, stand setups, or on-the-go listening without undue tension.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn daily use, you may notice a more defined presentation of instruments and vocal textures, especially with hi-fi or audiophile-grade gear. While results can vary by source and headphone model, many listeners describe clearer imaging, tighter bass articulation, and more consistent high-frequency response when upgrading to a high-purity copper and silver-plated cable like Apollo.\u003c\/p\u003e\n\u003ch3\u003eKey benefits in everyday listening\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClearer detail\u003c\/strong\u003e: The hybrid conductor design aims to preserve subtle harmonics in complex mixes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLess interference\u003c\/strong\u003e: Strong anti-interference properties help maintain signal integrity across environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConventional to premium upgrade\u003c\/strong\u003e: Easily replace a stock cable to elevate your current headphone setup without changing amps or sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhat comes in the package is simple: one replacement cable crafted to fit a broad set of Sennheiser models, with a 4.4mm to 2.5mm connector for versatile compatibility. If you’re building a desktop listening station or refining a portable audiophile rig, this cable offers a practical upgrade path without requiring additional adapters.\u003c\/p\u003e\n\u003cp\u003eNote: This listing is for the headphone cord only; headphones or other accessories are not included. Verified compatibility includes popular Sennheiser lines, making Apollo a convenient choice for users seeking a direct upgrade path.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the GEEKRIA Apollo cable compatible with my Sennheiser headphones?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The Apollo supports many Sennheiser models listed in the product notes, including HD 620S, 598, 599, 550, 558, 400 PRO, and 560S, via 4.4mm to 2.5mm plug.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What improvements should I expect after upgrading the cable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Expect potentially clearer detail, better signal integrity, and smoother high frequencies depending on your source and headphones; results vary by setup.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GEEKRIA","offers":[{"title":"Default Title","offer_id":48412744974493,"sku":"B0DG5LCCF2","price":41.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/geekria-apollo-silver-plated-cable-4-4mm-to-2-5mm.jpg?v=1781246485","url":"https:\/\/nexoltic.com\/products\/geekria-apollo-silver-plated-upgrade-audio-cable-for-sennheiser-hd-620s-599-598-560s-400pro-579-569-550-505-4-4mm-to-2-5mm","provider":"Nexoltic","version":"1.0","type":"link"}