{"product_id":"m18-sundown-audio-car-subwoofer-18-dual-1-ohm-2000w-rms-4000w-peak-3-aluminum-vc-35mm-xmax-mega-roll-surround-quad-magnet-motor-low-distortion-spl-sub","title":"M18 Sundown Audio Car Subwoofer – 18\" Dual 1 Ohm, 2000W RMS\/4000W Peak, 3\" Aluminum VC, 35mm Xmax, Mega Roll Surround, Quad Magnet Motor, Low-Distortion SPL Sub","description":"\u003cp\u003eSundown Audio M18 Car Subwoofer: The New Standard in High-Performance Bass.\u003c\/p\u003e\u003cp\u003eA new realm of low-frequency excellence is unleashed with the Sundown Audio M18 Car Subwoofer.\u003c\/p\u003e\u003cp\u003eThis subwoofer, 18 inches in size, redefines 'entry-level' in the Mega series, delivering intense, high-fidelity bass with stellar low-frequency performance at industry-leading levels of low-distortion.\u003c\/p\u003e\u003cp\u003eDesigned for professional car audio systems, the M18 combines groundbreaking engineering with a striking aesthetic, featuring a new laser-etched back-plate and special M-series magnet boot design, ensuring your setup sounds amazing and looks the part too.\u003c\/p\u003e\u003cp\u003eBuilt to dominate, the M18 offers impressive 2000 Watts RMS and 4000 Watts Peak power handling.\u003c\/p\u003e\u003cp\u003eThis formidable power is harnessed by a custom-developed 3\" diameter 4-Layer Round Wire Aluminum Voice Coil wound on a thick aluminum former, specifically designed for optimal winding packing density.\u003c\/p\u003e\u003cp\u003eThis innovative coil drives an incredible 35mm one-way linear excursion, allowing for deep and impactful bass reproduction with exceptional clarity and minimal distortion, even at punishing volumes.\u003c\/p\u003e\u003cp\u003eIts RE (Ohms) of 2.12 and robust BL (NA) of 17.044 contribute significantly to its performance and control, providing an unparalleled audio experience.\u003c\/p\u003e\u003cp\u003eAt the heart of the M18's performance lies its custom-tooled and patented frames (US Patent Numbers D691596, D691597, D691598, and D741841) and our signature Mega-Roll Surround.\u003c\/p\u003e\u003cp\u003eThis proprietary combination, coupled with Sundown's fully computer-optimized PG linear suspension, allows for the lowest possible bass extension while maintaining extremely low levels of distortion.\u003c\/p\u003e\u003cp\u003eThe subwoofer's robust build is further enhanced by an etched all-black backplate and a massive quad stacked 200mm (7.87”) diameter motor structure with a total magnet stack height of 88mm (3.46”), ensuring an efficient magnetic circuit.\u003c\/p\u003e\u003cp\u003eTo ensure sustained high performance during demanding listening sessions, the M18 incorporates Sundown's highly efficient high-stroke coil ventilation system, originally developed for our flagship X and Z series.\u003c\/p\u003e\u003cp\u003eThis advanced system features a high-velocity pole vent, a heavily vented magnetic gap through the back-plate, and our proprietary high-velocity cast-aluminum frame-base venting system.\u003c\/p\u003e\u003cp\u003eThese meticulously engineered cooling mechanisms actively manage coil temperature, allowing the M18 to perform flawlessly and reliably for years to come, maximizing your enjoyment.\u003c\/p\u003e\u003cp\u003eThe M-series was designed from the ground-up to become the new standard in the low-frequency \/ small, ported box subwoofer category for its price range.\u003c\/p\u003e\u003cp\u003eIt is primarily optimized for 7.0 cu ft net ported enclosures with a recommended tuning of 32Hz and a generous port area of 112 sq in.\u003c\/p\u003e\u003cp\u003eUniquely for a Mega series subwoofer, the M-series also opens up the possibility for sealed (3.0 cu ft) and IB (Infinite Baffle) applications, offering unparalleled versatility for diverse installation needs and acoustic goals.\u003c\/p\u003e\u003cp\u003eIts substantial Outside Diameter of 18.46” and Mounting Depth of 14.05” provide flexible installation options for a wide range of vehicles.\u003c\/p\u003e\u003cp\u003eThe M-series stands apart due to its incredibly linear suspension and the strategic inclusion of a magnet inner-diameter aluminum shorting ring.\u003c\/p\u003e\u003cp\u003eThis critical component ensures superior inductive distortion performance across the entire frequency range, resulting in clean, crisp, and highly accurate bass reproduction without unwanted artifacts.\u003c\/p\u003e\u003cp\u003eThe M-series will go down in car audio history as one of the best low-distortion subwoofers per-dollar of its time, delivering an unmatched audio experience that sets a new industry standard.\u003c\/p\u003e","brand":"Sundown Audio","offers":[{"title":"Default Title","offer_id":51747924771098,"sku":"SDNSW-M18D1","price":699.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/41nB-SJw_WL.jpg?v=1772017006","url":"https:\/\/trybeepbeep.com\/products\/m18-sundown-audio-car-subwoofer-18-dual-1-ohm-2000w-rms-4000w-peak-3-aluminum-vc-35mm-xmax-mega-roll-surround-quad-magnet-motor-low-distortion-spl-sub","provider":"TryBeepbeep","version":"1.0","type":"link"}