{"product_id":"grado-signature-s750-open-back-headphones","title":"Grado Signature S750 Open-Back Headphones","description":"\u003cp\u003ePremium handcrafted open-air headphones from Grado’s Signature Line. The S750 features all-new S2 drivers and the innovative Grado B cushion for enhanced comfort and soundstage, a lightweight all-aluminum build, and a flexible detachable Signature Gold cable with 4-pin mini XLR connection — delivering detailed, engaging sound with refined comfort and durability.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransducer Type:\u003c\/strong\u003e Dynamic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Principle:\u003c\/strong\u003e Open-air\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 4 Hz – 48 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e \u0026lt; 0.2% at 100 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Pressure Level (SPL):\u003c\/strong\u003e 115 dB (1 mW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal Impedance:\u003c\/strong\u003e 38 ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver Diameter:\u003c\/strong\u003e 50 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDriver Matching Tolerance:\u003c\/strong\u003e 0.05 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e Signature Gold detachable cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Connector:\u003c\/strong\u003e 4-pin balanced mini XLR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource Connector:\u003c\/strong\u003e 6.3 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEar Cushions:\u003c\/strong\u003e New B-style cushions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/gradocanada.ca\/product\/signature-s750\"\u003eGrado Canada product details\u003c\/a\u003e\u003c\/p\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":67952292495574,"sku":"SIGNATURE-S750","price":2499.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/2457\/9030\/files\/grado-2500-1.jpg?v=1794360582","url":"https:\/\/unifyav.ca\/products\/grado-signature-s750-open-back-headphones","provider":"Unify AV","version":"1.0","type":"link"}