{"product_id":"sennheiser-hd-550-open-back-headphones-700455","title":"Sennheiser HD 550 Open-Back Headphones | 700455","description":"\u003cstyle\u003e\n.eur-wrap{font-family:Arial,Helvetica,sans-serif;color:#16324a;line-height:1.55;max-width:1180px;margin:0 auto}\n.eur-wrap *{box-sizing:border-box}.eur-breadcrumb{font-size:13px;color:#5b7083;margin:0 0 14px}\n.eur-hero{background:linear-gradient(135deg,#003B71,#005CB9);color:#fff;padding:30px;border-radius:14px}\n.eur-hero h1{font-size:30px;line-height:1.2;margin:0 0 10px}.eur-deck{font-size:17px;margin:0;max-width:850px}\n.eur-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}\n.eur-stat,.eur-card{background:#F2F7FC;border:1px solid #dbe8f3;border-radius:10px;padding:14px}\n.eur-stat strong{display:block;color:#003B71;font-size:13px;margin-bottom:4px}\n.eur-section{margin:24px 0}.eur-section h2,.eur-section h3{color:#003B71;margin:0 0 10px}\n.eur-quote{border-left:4px solid #FFD200;background:#F2F7FC;padding:14px 16px;margin:18px 0;font-weight:700;color:#003B71}\n.eur-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.eur-grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}\n.eur-card h3{font-size:16px;margin:0 0 6px;color:#005CB9}.eur-card p{margin:0}\n.eur-verdict{display:grid;grid-template-columns:1fr 1fr;gap:12px}.eur-verdict .eur-card:first-child{border-top:3px solid #005CB9}.eur-verdict .eur-card:last-child{border-top:3px solid #FFD200}\n@media(max-width:760px){.eur-stats,.eur-grid3,.eur-grid6,.eur-verdict{grid-template-columns:1fr}.eur-hero{padding:22px}.eur-hero h1{font-size:25px}}\n\u003c\/style\u003e\u003cdiv class=\"eur-wrap\"\u003e\n\u003cdiv class=\"eur-breadcrumb\"\u003eHome › Audio › Headphones\u003c\/div\u003e\n\u003csection class=\"eur-hero\"\u003e\u003ch1\u003eSennheiser HD 550 Open-Back Headphones | 700455\u003c\/h1\u003e\n\u003cp class=\"eur-deck\"\u003eOpen-back over-ear with 6 Hz to 39.5 kHz and 150 ohms.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"eur-stats\"\u003e\n\u003cdiv class=\"eur-stat\"\u003e\n\u003cstrong\u003eAcoustic Design\u003c\/strong\u003eOpen-back over-ear\u003c\/div\u003e\n\u003cdiv class=\"eur-stat\"\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e6 Hz to 39.5 kHz\u003c\/div\u003e\n\u003cdiv class=\"eur-stat\"\u003e\n\u003cstrong\u003eImpedance\u003c\/strong\u003e150 ohms\u003c\/div\u003e\n\u003cdiv class=\"eur-stat\"\u003e\n\u003cstrong\u003eConnection\u003c\/strong\u003e3.5 mm detachable cable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection class=\"eur-section\"\u003e\u003cp\u003eThe Sennheiser HD 550 Open-Back Headphones is a headphone designed for focused home listening. Its core specification combines Open-back over-ear, 6 Hz to 39.5 kHz and 150 ohms. That feature set makes it a practical choice when you want stationary listening where an open acoustic design and wired connection make sense. The emphasis stays on stated hardware and connection details, making it easy to see where this model fits in a real listening or home-entertainment setup.\u003c\/p\u003e\n\u003cp\u003eFor day-to-day ownership, connection is 3.5 mm detachable cable, while adapter is 6.35 mm adapter. Listening Type is specified as Wired stereo. Those details shape how the product connects, how it is used and what you need from the rest of your system. It is best suited to hi-fi and desktop systems and long-form music sessions, with the exact Sennheiser model features kept front and centre so you can choose it for the capabilities that actually matter.\u003c\/p\u003e\n\u003cdiv class=\"eur-quote\"\u003eA clear, specification-led choice for focused home listening.\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"eur-section\"\u003e\u003ch2\u003eIdeal For\u003c\/h2\u003e\n\u003cdiv class=\"eur-grid3\"\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eFocused home listening\u003c\/h3\u003e\n\u003cp\u003eWell suited to this use based on the model’s stated design and connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eHi-fi and desktop systems\u003c\/h3\u003e\n\u003cp\u003eWell suited to this use based on the model’s stated design and connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eLong-form music sessions\u003c\/h3\u003e\n\u003cp\u003eWell suited to this use based on the model’s stated design and connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"eur-section\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cdiv class=\"eur-grid6\"\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eAcoustic Design\u003c\/h3\u003e\n\u003cp\u003eOpen-back over-ear\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eFrequency Response\u003c\/h3\u003e\n\u003cp\u003e6 Hz to 39.5 kHz\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eImpedance\u003c\/h3\u003e\n\u003cp\u003e150 ohms\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eConnection\u003c\/h3\u003e\n\u003cp\u003e3.5 mm detachable cable\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eAdapter\u003c\/h3\u003e\n\u003cp\u003e6.35 mm adapter\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eListening Type\u003c\/h3\u003e\n\u003cp\u003eWired stereo\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"eur-section\"\u003e\u003ch3\u003eDesigned Around the Right Use Case\u003c\/h3\u003e\n\u003cp\u003eStationary listening where an open acoustic design and wired connection make sense. The specification focuses on acoustic design, frequency response and impedance.\u003c\/p\u003e\n\u003ch3\u003eConnections and Everyday Ownership\u003c\/h3\u003e\n\u003cp\u003eConnection: 3.5 mm detachable cable. Adapter: 6.35 mm adapter. These are the details that determine how the product works with the rest of a setup.\u003c\/p\u003e\n\u003ch3\u003eControl and Practical Detail\u003c\/h3\u003e\n\u003cp\u003eListening Type: Wired stereo. This keeps the ownership experience grounded in the functions built into this exact model.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"eur-section\"\u003e\u003ch2\u003eHow It Compares\u003c\/h2\u003e\n\u003cp\u003eCompared with closed-back headphones, this open-back design does not target acoustic isolation. It is intended for stationary listening where its wired connection and open acoustic structure are appropriate.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"eur-section\"\u003e\u003ch2\u003eThe Verdict\u003c\/h2\u003e\n\u003cdiv class=\"eur-verdict\"\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eStrengths\u003c\/h3\u003e\n\u003cp\u003eAcoustic Design: Open-back over-ear; Frequency Response: 6 Hz to 39.5 kHz; Impedance: 150 ohms.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"eur-card\"\u003e\n\u003ch3\u003eConsiderations\u003c\/h3\u003e\n\u003cp\u003eOpen-back headphones are not intended to isolate the listener from surrounding sound.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":54698029875527,"sku":"700455","price":299.9,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0550\/5807\/1748\/files\/Sennheiser_HD_550_Main_Image.jpg?v=1787264234","url":"https:\/\/euronics.ie\/products\/sennheiser-hd-550-open-back-headphones-700455","provider":"Euronics Ireland","version":"1.0","type":"link"}