{"product_id":"reiss-rs-kj12-d2-subwoofer-30cm-double-bobine-2-2-ohms-2000w-rms","title":"Reiss RS-KJ12.D2 - 12\" Dual Voice Coil 2+2 Ohm 2000W RMS Subwoofer","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-performance 30cm (12\") dual voice coil 2+2 Ohm subwoofer\u003c\/li\u003e\n\n\u003cli\u003e2000W RMS power for extreme SPL performance\u003c\/li\u003e\n\n\u003cli\u003eGiant 3\" (76mm) voice coil for exceptional thermal management\u003c\/li\u003e\n\n\u003cli\u003eOptimized Thiele \u0026amp; Small parameters (Qts 0.55, Fs 37Hz)\u003c\/li\u003e\n\n\u003cli\u003eDiaphragm surface area of 498 cm² for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eOptimized moving mass (303g) for dynamics and responsiveness\u003c\/li\u003e\n\n\u003cli\u003eRobust 10kg construction ensuring reliability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Reiss RS-KJ12.D2 is a competition-grade 30cm subwoofer designed for extreme SPL installations. With its 2000W RMS power and giant 3\" voice coil, it delivers deep and powerful bass for outstanding performance. Its optimized Thiele \u0026amp; Small parameters and robust 10kg construction ensure reliability and control even at high power.\u003c\/p\u003e\n\u003cp\u003eKey features:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003eDual voice coil 2+2 Ohm configuration for wiring flexibility (1 or 4 Ohms final)\u003c\/li\u003e\n\n\u003cli\u003eGiant 3\" (76mm) voice coil for exceptional heat dissipation\u003c\/li\u003e\n\n\u003cli\u003eResonant frequency (Fs) of 37Hz for deep bass\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.55 suitable for bass-reflex enclosures\u003c\/li\u003e\n\n\u003cli\u003eEquivalent volume (Vas) of 21.5L for precise enclosure sizing\u003c\/li\u003e\n\n\u003cli\u003eDiaphragm surface area (Sd) of 498 cm² for significant air displacement\u003c\/li\u003e\n\n\u003cli\u003eMoving mass (Mms) of 303g for optimal dynamics\u003c\/li\u003e\n\n\u003cli\u003eCompliance (Cms) of 61.01 µm\/N for controlled excursion\u003c\/li\u003e\n\n\u003cli\u003eFrequency response 30Hz-500Hz for deep bass\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eDiameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e30cm (12\")\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRMS Power\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e2000W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMAX Power\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4000W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice coil impedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e2+2 Ohms (Dual voice coil)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFinal impedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e1 or 4 Ohms (depending on wiring)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e84.3 dB\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e30 - 500 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eResonant frequency (Fs)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e37 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQes\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.62\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQms\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e5.1\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eQts\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e0.55\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVas\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e21.5 L\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCms (Compliance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e61.01 µm\/N\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMms (Moving mass)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e303 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSd (Diaphragm surface area)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e498 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice coil diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e3\" (76mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e10 kg\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRecommended volume\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e35-55L (bass-reflex) \/ 28-42L (sealed)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\u003ch3\u003eWhy choose it\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eExceptional 2000W RMS power for SPL competitions and extreme installations\u003c\/li\u003e\n\n\u003cli\u003e3\" voice coil, among the largest on the market, for unparalleled thermal management\u003c\/li\u003e\n\n\u003cli\u003eComplete Thiele \u0026amp; Small parameters for precise enclosure sizing\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.55 ideal for high-performance bass-reflex enclosures\u003c\/li\u003e\n\n\u003cli\u003eCompact Vas of 21.5L allowing for reasonably sized enclosures\u003c\/li\u003e\n\n\u003cli\u003eLarge diaphragm surface area (498 cm²) for optimal air displacement\u003c\/li\u003e\n\n\u003cli\u003eRobust 10kg construction ensuring reliability in extreme conditions\u003c\/li\u003e\n\n\u003cli\u003eReiss brand recognized for its excellent value for money\u003c\/li\u003e\n\n\u003cli\u003eDesigned for SPL competitions and high-performance installations\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"#\" target=\"_blank\"\u003eOfficial Reiss Audio Website\u003c\/a\u003e\u003c\/p\u003e","brand":"Reiss Audio","offers":[{"title":"Default Title","offer_id":54200853365059,"sku":"RS-KJ12.D2","price":299.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/RS-KJ12_heavy.webp?v=1771334772","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/reiss-rs-kj12-d2-subwoofer-30cm-double-bobine-2-2-ohms-2000w-rms","provider":"Sound Auto Concept","version":"1.0","type":"link"}