{"product_id":"reiss-rs-m85dm","title":"Reiss RS-M85DM - Midrange 20 cm 350W RMS 97dB Reinforced Paper 4Ω (Pair)","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eSold as a pair for complete stereo installation\u003c\/li\u003e\n\n\u003cli\u003eSize: 20 cm (8\") for power and presence\u003c\/li\u003e\n\n\u003cli\u003ePower: 350W RMS, 700W MAX per speaker\u003c\/li\u003e\n\n\u003cli\u003eExceptional sensitivity: 97 dB for maximum efficiency\u003c\/li\u003e\n\n\u003cli\u003eFrequency range: 90 Hz - 8,000 Hz\u003c\/li\u003e\n\n\u003cli\u003eReinforced paper cone for low distortion\u003c\/li\u003e\n\n\u003cli\u003eHigh-temperature 5 cm copper voice coil\u003c\/li\u003e\n\n\u003cli\u003eComplete Thiele-Small parameters for optimization\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eReiss RS-M85DM\u003c\/strong\u003e is an 20 cm (8\") midrange speaker designed for those who demand high sensitivity, strong presence, and clean reproduction even at extreme volume levels. With robust construction, advanced materials, and carefully tuned acoustic design, it delivers a clean, dynamic, and powerful midrange response. The RS-M85DM is ideal for both SQ and SPL setups where performance, control, and durability are essential.\u003c\/p\u003e\n\n\u003cp\u003eWith a power handling of 350W RMS and up to 700W MAX per speaker, the RS-M85DM plays loud and clean without losing control. It operates within a frequency range of 90 to 8,000 Hz and offers a high sensitivity of 97 dB, making it extremely efficient even with moderate amplification. With a 4 Ohm impedance and a resonant frequency of 90 Hz, it delivers powerful midrange performance with fast attack and clear presence.\u003c\/p\u003e\n\n\u003cp\u003eThe reinforced paper cone provides low distortion and a natural tone, while the treated cloth surround ensures controlled movement and long-term durability. The steel basket offers high rigidity and vibration-free performance. The Ø145 mm ferrite magnet provides strong magnetic force and stable reproduction. The high-temperature 5 cm (50.8 mm) copper voice coil ensures efficient cooling and thermal stability.\u003c\/p\u003e\n\n\u003cp\u003eThe RS-M85DM combines low moving mass (17.6 g) with precise suspension and a powerful motor structure, resulting in a fast response and distinct impact in every note. With a Vas volume of 12.6 liters and a QTS of 0.419, the speaker is optimized for smaller enclosures or open baffles where efficiency and control are essential. Its large membrane area of 243 cm² contributes to a full and direct midrange with excellent dispersion.\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eReinforced paper cone for low distortion and natural tone\u003c\/li\u003e\n\n\u003cli\u003eTreated cloth surround for controlled movement and durability\u003c\/li\u003e\n\n\u003cli\u003eSteel basket for high rigidity and vibration-free performance\u003c\/li\u003e\n\n\u003cli\u003eØ145 mm ferrite magnet for powerful magnetic force\u003c\/li\u003e\n\n\u003cli\u003eHigh-temperature 5 cm copper voice coil for thermal stability\u003c\/li\u003e\n\n\u003cli\u003eLow moving mass (17.6 g) for fast response\u003c\/li\u003e\n\n\u003cli\u003eLarge membrane area (243 cm²) for excellent dispersion\u003c\/li\u003e\n\n\u003cli\u003eOptimized T\/S parameters for compact enclosures\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSale\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003ePer pair (2 speakers)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh-efficiency midrange\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e20 cm (8\")\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\u003e350 W (per speaker)\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\u003e700 W (per speaker)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e90 - 8,000 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eImpedance (Z)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e4 Ω\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\u003e97 dB\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\u003e90 Hz\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eResistance (Re)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e3.2 Ω\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\u003e0.451\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\u003e5.79\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\u003e0.419\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eEquivalent Volume (Vas)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e12.6 L\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCompliance (Cms)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e149.7 μM\/N\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMoving Mass (Mms)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e17.6 g\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMembrane Area (Sd)\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e243 cm²\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCone\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eReinforced paper\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eSurround\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eTreated cloth\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eVoice Coil\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh-temperature 5 cm (50.8 mm) copper\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eMagnet\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eØ145 mm Ferrite\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eBasket\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eHigh-rigidity steel\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 217 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\u003e88 mm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eCutout Diameter\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eØ 186 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\u003e4.1 kg (per speaker)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003eRS-M85DM\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd\u003e\u003cstrong\u003eEAN\/GTIN Code\u003c\/strong\u003e\u003c\/td\u003e\n\n\u003ctd\u003e8698814100713\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Choose It\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003eSold as a pair for complete stereo installation\u003c\/li\u003e\n\n\u003cli\u003eExceptional 97 dB sensitivity for maximum efficiency\u003c\/li\u003e\n\n\u003cli\u003eHigh power handling (350W RMS) for extreme levels\u003c\/li\u003e\n\n\u003cli\u003eReinforced paper cone for low distortion and natural tone\u003c\/li\u003e\n\n\u003cli\u003eHigh-temperature 5 cm copper voice coil for thermal stability\u003c\/li\u003e\n\n\u003cli\u003eComplete T\/S parameters for precise optimization\u003c\/li\u003e\n\n\u003cli\u003eLow moving mass (17.6 g) for fast response and clear attack\u003c\/li\u003e\n\n\u003cli\u003eLarge membrane area (243 cm²) for excellent dispersion\u003c\/li\u003e\n\n\u003cli\u003eRobust construction (4.1 kg) for maximum durability\u003c\/li\u003e\n\n\u003cli\u003ePerfect for demanding SPL and SQ setups requiring efficiency and control\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","brand":"Reiss Audio","offers":[{"title":"Default Title","offer_id":54268546285891,"sku":"RS-M85DM","price":149.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0890\/6247\/4051\/files\/RS-M85DM_1.jpg?v=1773334694","url":"https:\/\/soundautoconcept.com\/en-eu\/products\/reiss-rs-m85dm","provider":"Sound Auto Concept","version":"1.0","type":"link"}