{"product_id":"gladen-sigma-ssw08-subwoofer-20-cm-double-bobine-2x2-ohms-700w","title":"Gladen Sigma SSW08 - 8\" Dual Voice Coil 2x2 Ohms 700W Subwoofer","description":"\u003ch2\u003eHighlights\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003eHigh-performance 20 cm (8-inch) subwoofer from the Sigma range\u003c\/li\u003e\n\n\u003cli\u003e700W max \/ 350W RMS power for powerful and controlled bass\u003c\/li\u003e\n\n\u003cli\u003eDual voice coil 2x2 Ohms — flexible integration into all systems\u003c\/li\u003e\n\n\u003cli\u003e8.5 mm linear Xmax for precise, distortion-free excursion\u003c\/li\u003e\n\n\u003cli\u003eCompatible with sealed and bass-reflex enclosures (recommended volume: 4-8 liters)\u003c\/li\u003e\n\n\u003cli\u003ePaper cone + aluminum voice coil for faithful and dynamic sound reproduction\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eGladen Sigma SSW08\u003c\/strong\u003e is a 20 cm subwoofer designed for demanding audiophiles seeking deep, precise, and controlled bass. Its generous cone surface and balanced drive system ensure clear sound reproduction, even at high volumes.\u003c\/p\u003e\u003cul\u003e\n\n\u003cli\u003eThe stable paper cone combined with the long-excursion voice coil efficiently converts amplifier power\u003c\/li\u003e\n\n\u003cli\u003eThe 2x2 Ohms dual voice coil offers great wiring flexibility (4 Ohms series or 1 Ohm parallel)\u003c\/li\u003e\n\n\u003cli\u003eIts optimized Thiele-Small parameters make it versatile: sealed or bass-reflex enclosure\u003c\/li\u003e\n\n\u003cli\u003eRobust steel basket, 5.5\" polycotton spider, foam surround for maximum durability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\u003ctable style=\"border-collapse: collapse; width: 100%;\" border=\"1\"\u003e\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eMax \/ RMS Power\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e700 W \/ 350 W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eNominal Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e2x2 Ohms (2.2 Ω)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eDC Resistance (Rdc)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e1.8 Ω (dual)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eVoice Coil Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e50 mm (2 inches)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eVoice Coil Height\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e25 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eLinear Xmax (+\/-)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e8.5 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eResonance Frequency (Fs)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e57 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eSPL (2.83V \/ 1m)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e86.9 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003ePiston Area (Sd)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e201 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eRecommended Volume\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e4 - 8 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eQts \/ Qms \/ Qes\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e0.5 \/ 7 \/ 0.54\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eVas\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e3.99 liters\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eForce Factor (BL)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e15.8 Tm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eMoving Mass (Mms)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e109 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eOuter Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e214 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eInstallation Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e183 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eInstallation Depth\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e120 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003ePaper\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eVoice Coil Former\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003eAluminum\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eSpider\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e5.5\" PC Mix (polycotton)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eSurround\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003eFoam\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eBasket\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003eSteel\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003e\u003cstrong\u003eDust Cap\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd style=\"padding: 6px 10px;\"\u003ePP\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhy choose it?\u003c\/h2\u003e\u003cul\u003e\n\n\u003cli\u003eTotal versatility: adapts equally well to sealed and bass-reflex enclosures\u003c\/li\u003e\n\n\u003cli\u003e2x2 Ohms dual voice coil for flexible wiring according to your amplifier\u003c\/li\u003e\n\n\u003cli\u003eDeep and controlled bass thanks to a generous 8.5 mm Xmax\u003c\/li\u003e\n\n\u003cli\u003ePremium Gladen German Technology construction for long-term reliability\u003c\/li\u003e\n\n\u003cli\u003eIdeal for demanding car audio installations with a dedicated amplifier\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Gladen German Technology","offers":[{"title":"Default Title","offer_id":54442546102595,"sku":"Gladen Sigma SSW08","price":149.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/SSW08-16duo-ca7a7b45.webp?v=1777370304","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/gladen-sigma-ssw08-subwoofer-20-cm-double-bobine-2x2-ohms-700w","provider":"Sound Auto Concept","version":"1.0","type":"link"}