{"product_id":"grado-signature-s550","title":"Grado Signature S550","description":"\u003ch3\u003eGrado Signature S550 – Open-Back Audiophile Headphones\u003c\/h3\u003e \u003cp\u003eThe Grado Signature S550 brings the essence of the Signature Line into a refined open-back headphone designed for immersive listening. Built for music lovers who appreciate both technical performance and emotional engagement, it delivers clarity, natural dynamics, and the distinctive openness associated with Grado designs. With a newly engineered dynamic driver and detachable cable system, the S550 offers a balanced listening experience suitable for extended sessions, available at Soundium.\u003c\/p\u003e \u003ch4\u003eKey Features\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eNewly Engineered 50 mm Dynamic Driver:\u003c\/strong\u003e Designed for precise detail, natural dynamics, and balanced tonal presentation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOpen-Back Acoustic Design:\u003c\/strong\u003e Provides spacious soundstage and natural imaging for a more lifelike listening experience.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDetachable Cable System:\u003c\/strong\u003e Improves flexibility and longevity while allowing easy replacement or custom cable options.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh Sensitivity Performance:\u003c\/strong\u003e Efficient design delivers strong output even from portable sources.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBalanced Mini XLR Connection:\u003c\/strong\u003e Supports balanced amplification setups for improved signal integrity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSignature Comfort Cushions:\u003c\/strong\u003e B-cushions provide breathable comfort for long listening sessions.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eCustomer Benefits\u003c\/h4\u003e \u003cp\u003eThe Signature S550 combines Grado’s characteristic immediacy with a refined tonal balance suited for extended listening. Its responsive driver reveals subtle textures in acoustic recordings while maintaining energy for dynamic music. The detachable cable system adds flexibility for different listening setups, making the headphones equally comfortable in dedicated hi-fi systems or high-quality desktop listening environments.\u003c\/p\u003e \u003ch4\u003eQuick Specs\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTransducer type:\u003c\/strong\u003e Dynamic\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOperating principle:\u003c\/strong\u003e Open-back\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDriver size:\u003c\/strong\u003e 50 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFrequency response:\u003c\/strong\u003e 6 Hz – 44 kHz\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 38 Ω\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 112 dB (1 mW)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTotal harmonic distortion:\u003c\/strong\u003e \u0026lt;0.2% @100 dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDriver matching:\u003c\/strong\u003e 0.05 dB\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeadphone connection:\u003c\/strong\u003e 4-pin balanced mini XLR\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSource connection:\u003c\/strong\u003e 3.5 mm with 6.3 mm adapter\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 335 g\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eWhat’s in the Box\u003c\/h4\u003e \u003cul\u003e \u003cli\u003eGrado Signature S550 headphones\u003c\/li\u003e \u003cli\u003eSignature Silver detachable cable\u003c\/li\u003e \u003cli\u003e6.3 mm adapter\u003c\/li\u003e \u003cli\u003eUser documentation\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eUse Cases \/ Ideal For\u003c\/h4\u003e \u003cp\u003eIdeal for audiophiles, home hi-fi systems, desktop listening setups, and listeners who prefer open-back headphones for detailed and spacious sound reproduction.\u003c\/p\u003e \u003ch4\u003eCompatibility\u003c\/h4\u003e \u003cp\u003eCompatible with headphone amplifiers, hi-fi systems, DACs, and portable players via the included 3.5 mm connection and 6.3 mm adapter. Supports balanced setups through the mini XLR connection.\u003c\/p\u003e \u003ch4\u003ePros \u0026amp; Cons\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003e✅ Pros:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOpen-back design with spacious, natural soundstage\u003c\/li\u003e \u003cli\u003eNew 50 mm driver tuned for clarity and balance\u003c\/li\u003e \u003cli\u003eDetachable cable system for flexibility\u003c\/li\u003e \u003cli\u003eHigh sensitivity suitable for various audio sources\u003c\/li\u003e \u003cli\u003eComfortable cushions for long listening sessions\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003e⚠️ Cons:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eOpen-back design leaks sound and is not ideal for noisy environments\u003c\/li\u003e \u003cli\u003eLess isolation compared to closed-back headphones\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eThe Grado Signature S550 delivers an engaging and natural listening experience with the openness and energy that define the brand’s sound. For listeners seeking a refined open-back headphone built for musical immersion, discover it at Soundium.\u003c\/p\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":54711766417676,"sku":"GRADO-S550","price":1299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/7416\/0652\/files\/S550-Product004.webp?v=1773139472","url":"https:\/\/soundium.com\/de\/products\/grado-signature-s550","provider":"Soundium","version":"1.0","type":"link"}