{"product_id":"grado-signature-s150-open-back-headphones","title":"Grado Signature S150 Open-Back Headphones","description":"\u003cp\u003eGrado’s entry into the Signature Line: a new 44mm S driver, a single-piece matte-black housing and detachable Signature Bronze cables, in a 220-gram headphone built for long listening sessions.\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 16 Hz – 34 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e \u0026lt; 0.3% at 100 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Pressure Level (SPL):\u003c\/strong\u003e 104 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 44 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\u003eWeight:\u003c\/strong\u003e 220 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable:\u003c\/strong\u003e Signature Bronze detachable cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadphone Connector:\u003c\/strong\u003e Dual 3.5 mm mini\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource Connector:\u003c\/strong\u003e 3.5 mm with 6.3 mm adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEar Cushions:\u003c\/strong\u003e F Cushions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003ca href=\"https:\/\/gradocanada.ca\/product\/signature-s150\"\u003eGrado Canada product details\u003c\/a\u003e\u003c\/p\u003e","brand":"Grado","offers":[{"title":"Default Title","offer_id":67952291021014,"sku":"S150","price":469.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/2457\/9030\/files\/grado-3462-1.jpg?v=1794360559","url":"https:\/\/unifyav.ca\/products\/grado-signature-s150-open-back-headphones","provider":"Unify AV","version":"1.0","type":"link"}