{"product_id":"reiss-rs-mb12qs4-haut-parleur-midbass-30cm-4-ohms-500w-rms-99db","title":"Reiss RS-MB12QS4 - 12 inch 4 Ohm 500W RMS 99dB Midbass Speaker","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eHigh-performance 30cm (12\") midbass speaker 500W RMS\u003c\/li\u003e\n\n\u003cli\u003eExceptional sensitivity of 99dB for maximum output\u003c\/li\u003e\n\n\u003cli\u003e2.5\" (63.5mm) voice coil for optimal thermal management\u003c\/li\u003e\n\n\u003cli\u003eMassive Ø 220mm magnet for powerful control\u003c\/li\u003e\n\n\u003cli\u003eHigh resonant frequency (57.7Hz) ideal for active installations\u003c\/li\u003e\n\n\u003cli\u003eVery low Qts (0.242) optimized for compact sealed enclosures\u003c\/li\u003e\n\n\u003cli\u003eUltra-robust 7.8kg construction guaranteeing reliability\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Reiss RS-MB12QS4 is a 30cm midbass speaker specially designed for high-performance active and SPL installations. With its exceptional sensitivity of 99dB and 500W RMS power, it delivers powerful, precise and dynamic mids and lows. Its high resonant frequency (57.7Hz) and very low Qts (0.242) make it the ideal choice for active systems with active crossovers and compact sealed enclosures.\u003c\/p\u003e\n\u003cp\u003eMain features:\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e30cm (12\") high-performance midbass for powerful lows and mids\u003c\/li\u003e\n\n\u003cli\u003e99dB sensitivity guarantees exceptional output\u003c\/li\u003e\n\n\u003cli\u003e55Hz-5kHz frequency response optimized for active installations\u003c\/li\u003e\n\n\u003cli\u003e2.5\" (63.5mm) voice coil for exceptional thermal dissipation\u003c\/li\u003e\n\n\u003cli\u003eMassive Ø 220mm magnet for optimal control and dynamics\u003c\/li\u003e\n\n\u003cli\u003eResonant frequency (Fs) of 57.7Hz ideal for active crossover\u003c\/li\u003e\n\n\u003cli\u003eQts of 0.242 suitable for compact sealed enclosures\u003c\/li\u003e\n\n\u003cli\u003eEquivalent volume (Vas) of 64.3L for precise enclosure sizing\u003c\/li\u003e\n\n\u003cli\u003eDiaphragm surface area (Sd) of 52.3 cm² for optimal air displacement\u003c\/li\u003e\n\n\u003cli\u003eLight moving mass (Mms) of 45.9g for optimal responsiveness\u003c\/li\u003e\n\n\u003cli\u003eCompliance (Cms) of 165.9 µm\/N for controlled excursion\u003c\/li\u003e\n\n\u003cli\u003eUltra-robust 7.8kg construction guaranteeing reliability\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\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eMidbass speaker\u003c\/td\u003e\n\n\n\u003c\/tr\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\u003e500W\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\u003e1000W\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eImpedance\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4 Ohms\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\u003e99 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\u003e55 Hz - 5 kHz\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\u003e57.7 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eRe (Voice coil resistance)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e3.2 Ohms\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\u003e0.245\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\u003e17.522\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\u003e0.242\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\u003e64.3 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\u003e165.9 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\u003e45.9 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSd (Diaphragm surface)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e52.3 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\u003e2.5\" (63.5mm)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet size\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eØ 220 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eOuter diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eØ 320 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMounting depth\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e126 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMounting diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eØ 282 mm\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\u003e7.8 kg\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 sensitivity of 99dB for impressive sound levels\u003c\/li\u003e\n\n\u003cli\u003e500W RMS power for extreme dynamic performance\u003c\/li\u003e\n\n\u003cli\u003eHigh resonant frequency (57.7Hz) perfect for active installations with subwoofer\u003c\/li\u003e\n\n\u003cli\u003eVery low Qts (0.242) ideal for high-performance compact sealed enclosures\u003c\/li\u003e\n\n\u003cli\u003e2.5\" voice coil for exceptional thermal management\u003c\/li\u003e\n\n\u003cli\u003eMassive 220mm magnet guarantees control and dynamics\u003c\/li\u003e\n\n\u003cli\u003eLight moving mass (45.9g) for responsiveness and precision\u003c\/li\u003e\n\n\u003cli\u003eFrequency extension up to 5kHz for detailed mids\u003c\/li\u003e\n\n\u003cli\u003eUltra-robust 7.8kg construction guarantees reliability in extreme conditions\u003c\/li\u003e\n\n\u003cli\u003eReiss brand renowned for excellent value for money\u003c\/li\u003e\n\n\u003cli\u003eIdeal for high-performance active and SPL systems\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":54201482936643,"sku":"RS-MB12QS4","price":159.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/RS-MB12QS4_1.webp?v=1771346597","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/reiss-rs-mb12qs4-haut-parleur-midbass-30cm-4-ohms-500w-rms-99db","provider":"Sound Auto Concept","version":"1.0","type":"link"}