{"product_id":"dd-audio-power-tuned-9918b-esp-18-zoll-subwoofer","title":"Power Tuned 9918b ESP","description":"\u003cp\u003eThe DD Audio Power Tuned 9918b ESP is an 18 inch (46 cm) Subwoofer with 2,500 watts RMS and 10,000 watts Peak. Equipped with CFB-Carbon Fiber Blend Cone, Vario-Density Extended Range of Motion Surround (V-ROM), and Tuned Spider System (TSS). The Super-Frame (SFrame) maximizes spider and cone diameter and supports heat dissipation, complemented by a patented ferrite magnet system. An optional SuperCharge option is available. Features include a lossless linear suspension, ribbed foam surround, a magnet protection cap with grille in front of the pole core drilling, and an aluminum die-cast basket. Impedance options: Dual 1 Ohm or Dual 2 Ohm. Technical specifications include Fs 26.24 Hz, Xmax 22 mm, Xmech 60 mm, VCD (Entrance voltage) 10.16 cm, installation depth 30.16 cm, and mounting diameter 42.52 cm.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e18 inch (46 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eRMS power: 2,500 watts\u003c\/li\u003e\n\u003cli\u003ePeak load capacity: 10,000 watts\u003c\/li\u003e\n\u003cli\u003eImpedance options: Dual 1 Ohm or Dual 2 Ohm\u003c\/li\u003e\n\u003cli\u003eCFB-Carbon Fiber Blend Cone\u003c\/li\u003e\n\u003cli\u003eVario-Density Extended Range of Motion Surround (V-ROM)\u003c\/li\u003e\n\u003cli\u003eTuned Spider System (TSS)\u003c\/li\u003e\n\u003cli\u003eSuper-Frame (SFrame) with additional heat dissipation\u003c\/li\u003e\n\u003cli\u003ePatented ferrite magnet system\u003c\/li\u003e\n\u003cli\u003eSuperCharge option available\u003c\/li\u003e\n\u003cli\u003eLossless linear suspension\u003c\/li\u003e\n\u003cli\u003eRibbed foam surround\u003c\/li\u003e\n\u003cli\u003eMagnet protection cap including grille in front of the pole core drilling\u003c\/li\u003e\n\u003cli\u003eAluminum die-cast basket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSpeaker size: 45.72 cm\u003c\/li\u003e\n\u003cli\u003ePiston diameter: 39.37 cm\u003c\/li\u003e\n\u003cli\u003eFs (Frequency): 26.24 Hz\u003c\/li\u003e\n\u003cli\u003eXmax (Maximum stroke): 22 mm\u003c\/li\u003e\n\u003cli\u003eXmech (Mechanical stroke): 60 mm\u003c\/li\u003e\n\u003cli\u003eVCD (Entrance voltage): 10.16 cm\u003c\/li\u003e\n\u003cli\u003eFrame diameter: 46.36 cm\u003c\/li\u003e\n\u003cli\u003eFrame including gasket: 46.99 cm\u003c\/li\u003e\n\u003cli\u003eMounting diameter: 42.52 cm\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 30.16 cm\u003c\/li\u003e\n\u003cli\u003eMotor diameter: 26.19 cm\u003c\/li\u003e\n\u003cli\u003eMotor depth: 11.56 cm\u003c\/li\u003e\n\u003cli\u003eWoofer volume: 13.02 liters\u003c\/li\u003e\n\u003cli\u003eEnclosure with port: 142–170 liters\u003c\/li\u003e\n\u003cli\u003eShipping weight: approx. 40.4 kg\u003c\/li\u003e\n\u003cli\u003eRMS power: 2,500 watts\u003c\/li\u003e\n\u003cli\u003ePeak power: 10,000 watts\u003c\/li\u003e\n\u003cli\u003eImpedance options: Dual 1 Ohm or Dual 2 Ohm\u003c\/li\u003e\n\u003cli\u003eSuperCharge option: Neodymium short-circuit ring on flush-cut pole piece with opposite polarity\u003c\/li\u003e\n\u003cli\u003eSuperCharge option: Redirection of magnetic energy into the voice coil gap\u003c\/li\u003e\n\u003cli\u003eSuperCharge option: Usable motor strength +20–25%\u003c\/li\u003e\n\u003cli\u003eSuperCharge option: Load capacity, SPL, heat dissipation, and voice coil area identical to the standard model\u003c\/li\u003e\n\u003cli\u003eSuperCharge option: Made to order, additional delivery time 4–6 weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"border: 1px solid #e5e5e5; border-radius: 8px; padding: 20px; margin: 20px 0; background: #fafafa;\"\u003e\n\u003ch2 style=\"color: #232323;\"\u003eDD Audio Custom Subwoofer – Design your own!\u003c\/h2\u003e\n\u003cp\u003eOur \u003cstrong\u003eDD Audio Custom Subwoofers\u003c\/strong\u003e are not only a highlight in sound – they are built exactly to your specifications! Choose colors for the basket, dustcap, membrane, and more. Additionally, a selection of logos is available.\u003c\/p\u003e\n\u003cdiv style=\"margin: 16px 0;\"\u003e\n\u003cstrong\u003eAvailable colors for membrane \u0026amp; dustcap:\u003c\/strong\u003e\n\u003cdiv style=\"display: flex; gap: 24px; margin: 12px 0;\"\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #c12b2f; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eRed\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #232323; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eBlack\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #7ea7d8; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eLight Blue\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #22356c; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eBlue\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #d6d6d6; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003ePlatinum\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #f5f5f5; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eWhite\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Carbon)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center;\"\u003e\n\u003cspan style=\"display: inline-block; width: 36px; height: 36px; background: #beb04a; border-radius: 50%; box-shadow: 0 0 3px #aaa;\"\u003e\u003c\/span\u003e\n\u003cdiv style=\"font-size: 13px; margin-top: 4px;\"\u003eYellow\u003cbr\u003e\u003cspan style=\"font-size: 11px;\"\u003e(Kevlar)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-bottom: 18px;\"\u003e\u003cb\u003eDo you want more than standard?\u003c\/b\u003e Now customize your Subwoofer and discover all options:\u003c\/p\u003e\n\u003ca href=\"https:\/\/masprori.com\/pages\/dd-audio-custom-subwoofer\" style=\"display: inline-block; padding: 12px 26px; background: #232323; color: #fff; text-decoration: none; border-radius: 6px; font-weight: bold; font-size: 16px;\"\u003e To the custom options \u003c\/a\u003e\n\u003c\/div\u003e","brand":"DD Audio","offers":[{"title":"D1 (2x1 Ohm) \/ Yes","offer_id":33059341959303,"sku":"9918B-D1-SC","price":1469.0,"currency_code":"EUR","in_stock":true},{"title":"D1 (2x1 Ohm) \/ No","offer_id":43585979810059,"sku":"9918B-D1","price":1369.0,"currency_code":"EUR","in_stock":true},{"title":"D2 (2x2 Ohm) \/ Yes","offer_id":33059341992071,"sku":"9918B-D2-SC","price":1469.0,"currency_code":"EUR","in_stock":true},{"title":"D2 (2x2 Ohm) \/ No","offer_id":43585979842827,"sku":"9918B-D2","price":1369.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/dd-audio-power-tuned-9918b-esp-18-46cm-subwoofer-masori-kaufen.jpg?v=1766012032","url":"https:\/\/masprori.com\/en\/products\/dd-audio-power-tuned-9918b-esp-18-inch-subwoofer","provider":"Masori | Shop","version":"1.0","type":"link"}