{"title":"12 inch marine subwoofer for the boat","description":"\u003ch2\u003eBuy online at a great price: 12 inch marine subwoofer in the Carhifi online shop Masori\u003c\/h2\u003e\n\u003cp\u003eThose who want to support their boat or yacht with powerful bass will find optimal solutions in 12-inch marine subwoofers. Especially models from Hertz and Rockford Fosgate impress with wide power ranges from 500 watts up to over 2000 watts RMS and offer impressive low-frequency ranges down to 20 Hz. Thanks to the various impedance options from 2 ohms to 8 ohms, the subwoofer can be individually adapted to existing or newly selected amplifiers. At the same time, users benefit from high-quality accessories that are compatible both for use on boats and in car environments with car audio components.\u003c\/p\u003e\n\u003ch2\u003eInstallation instructions and mounting options for car and boat\u003c\/h2\u003e\n\u003cp\u003eTo achieve the best possible sound performance, the positioning of the 12-inch marine subwoofer plays a central role. In vehicle cabins, e.g., in Opel or BMW, but also on boats, a stable mounting and an acoustically suitable frame are indispensable. The following help:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWaterproof cables (prevent corrosion and signal interference)\u003c\/li\u003e\n\u003cli\u003eStable mounting rails or brackets for the enclosure\u003c\/li\u003e\n\u003cli\u003eCable ducts for concealed routing in the boat or car cabin\u003c\/li\u003e\n\u003cli\u003eDamping materials to reduce vibrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThose unsure can rely on the professional \u003ca href=\"https:\/\/masprori.com\/pages\/einbauservice\"\u003einstallation service in Frankfurt Oder\u003c\/a\u003e rely on Masori. An expert team there takes care of the installation and perfectly tuned setup of the subwoofer, whether in a Mercedes, VW, or a sports boat.\u003c\/p\u003e\n\u003ch3\u003eCheck compatibility and get support\u003c\/h3\u003e\n\u003cp\u003eWith the \u003ca href=\"https:\/\/masprori.com\/pages\/faq-und-hilfe\"\u003eExpert support from Masori\u003c\/a\u003e and an integrated AI chatbot, interested parties can find out before purchase whether the targeted 12-inch marine subwoofer fits the existing audio system. Both car audio solutions and marine audio infrastructures benefit from precise tuning. Individual parameters (such as resonance frequency, recommended enclosure volume, or mechanical compliance) are analyzed so that the woofers fit exactly with the rest of the setup.\u003c\/p\u003e\n\u003ch2\u003eHertz Marine Subwoofers: Technical features and application profiles\u003c\/h2\u003e\n\u003cp\u003eHertz scores with 12-inch marine subwoofers featuring robust polypropylene cones and special water-repellent coatings. Typical parameter excerpts:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFrequency range: 20 Hz – 180 Hz\u003c\/li\u003e\n\u003cli\u003eSensitivity: 88 dB – 90 dB\u003c\/li\u003e\n\u003cli\u003eRecommended amplifier power: 500–1500 watts RMS\u003c\/li\u003e\n\u003cli\u003eImpedance options: 4 ohms or dual 2-ohm coils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe subwoofers are equally suitable for boat types ranging from small adventure boats to large yachts. They can also be installed in SUVs or sedans from Audi and SEAT with appropriate enclosure solutions when upgrading car audio. The durable construction ensures consistent audio acoustics even in rough seas or harsh weather conditions.\u003c\/p\u003e\n\u003ch3\u003eAdvantages of sealed and vented enclosures\u003c\/h3\u003e\n\u003cp\u003eWhether in a bass reflex enclosure with a port or in a sealed design: both constructions influence the subwoofer's sound character. Sealed systems stand for tight bass control and are especially suitable for shorter resonances, while a vented system extends the bass depth and allows even higher sound pressure levels. Especially in marine installations, the enclosure volume can vary depending on how much space is available in the boat cabin or vehicle installation.\u003c\/p\u003e\n\u003ch2\u003eRockford Fosgate Marine Subwoofers: Top performance and DSP options\u003c\/h2\u003e\n\u003cp\u003eRockford Fosgate shines with its 12-inch marine subwoofers, which stand for high sound precision and individual sound adjustment. Some technical features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCrossovers: Highly precise DSP-controlled models\u003c\/li\u003e\n\u003cli\u003eConstruction: UV-resistant cones for long durability\u003c\/li\u003e\n\u003cli\u003eCoil resistance: Variable between 2 ohms and 8 ohms\u003c\/li\u003e\n\u003cli\u003ePower range: 600–2000 watts RMS\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThanks to advanced DSP technology, exact tuning is possible. Users can configure the subwoofer via digital signal processor so that it integrates smoothly into existing systems without overpowering the mid and high ranges. Even in tight spaces on a fishing boat, the subwoofer finds room and unfolds its full potential.\u003c\/p\u003e\n\u003ch3\u003eTable: Comparison Hertz vs. Rockford Fosgate\u003c\/h3\u003e\n\u003cp\u003eThe following comparison shows selected technical key data of both manufacturers:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eCriterion\u003c\/th\u003e\n\u003cth\u003eHertz 12\"\u003c\/th\u003e\n\u003cth\u003eRockford Fosgate 12\"\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower range (watts RMS)\u003c\/td\u003e\n\u003ctd\u003e500–1500\u003c\/td\u003e\n\u003ctd\u003e600–2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range (Hz)\u003c\/td\u003e\n\u003ctd\u003e20–180\u003c\/td\u003e\n\u003ctd\u003e20–200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance options\u003c\/td\u003e\n\u003ctd\u003e4 ohms \/ dual 2 ohms\u003c\/td\u003e\n\u003ctd\u003e2–8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (dB)\u003c\/td\u003e\n\u003ctd\u003e88–90\u003c\/td\u003e\n\u003ctd\u003e85–89\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure design\u003c\/td\u003e\n\u003ctd\u003eDurable, waterproof\u003c\/td\u003e\n\u003ctd\u003eUV-resistant, saltwater resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation and tuning: Thiele Small parameters for perfect bass reproduction\u003c\/h2\u003e\n\u003cp\u003eThose who want to learn more about optimal sound shaping deal with Thiele Small parameters such as \u003cstrong\u003eFs (resonance frequency), Qts (total Q factor), and Vas (equivalent volume)\u003c\/strong\u003e. These values determine how the 12-inch marine subwoofer performs in a boat or car under car audio conditions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFs defines the frequency range at which the cone vibrates most strongly.\u003c\/li\u003e\n\u003cli\u003eQts is crucial for the compromise between bass depth and excursion.\u003c\/li\u003e\n\u003cli\u003eVas describes the air volume the cone replaces and helps in choosing a suitable enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt makes sense to consult an expert when tuning the enclosure. If desired, Masori will handle the calibration so that the subwoofer delivers maximum bass in any setup—whether skipper boat, sailing yacht, VW bus, or BMW sedan.\u003c\/p\u003e\n\u003ch3\u003eImportant accessories for boat and vehicle\u003c\/h3\u003e\n\u003cp\u003eWhen installing the marine subwoofer, the following accessories are indispensable to unfold clean sound:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier\u003c\/strong\u003e with sufficient power reserves (mono amplifier or 2-channel amplifier in bridged mode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrossovers\u003c\/strong\u003e for precise separation of bass frequencies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof connectors and sockets\u003c\/strong\u003e for maximum safety\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBass reflex ports\u003c\/strong\u003e for vented enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable ducts\u003c\/strong\u003e for tidy cable management\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll these components are available in the extensive range at Masori and can be specifically recommended for your planned application if desired.\u003c\/p\u003e\n\u003ch2\u003eTargeted performance optimization in marine and car audio\u003c\/h2\u003e\n\u003cp\u003eTo refine bass reproduction, the inductance of the voice coil and digital signal processing play a major role. Modern marine subwoofers from Hertz or Rockford Fosgate use optimized magnet constructions to\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eminimize distortion in the low-frequency range\u003c\/li\u003e\n\u003cli\u003emaximize airflow for cooling the voice coil\u003c\/li\u003e\n\u003cli\u003ekeep the level stable even at high volumes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a car, a plug-and-play concept can also be interesting. Some manufacturers like Audi or Mercedes offer pre-installations for subwoofers that can be combined with retrofitted marine speakers. Only impedance and connection cables need to be adjusted. For tuning fans modifying Opel or SEAT vehicles, marine-grade materials provide additional robustness so that the subwoofer does not fail in damp environments or on rainy days in everyday use.\u003c\/p\u003e\n\u003ch3\u003eProfessional support for every step\u003c\/h3\u003e\n\u003cp\u003eBoth boat owners and car audio fans benefit from the advice and support at Masori. Via the \u003ca href=\"https:\/\/masprori.com\/pages\/faq-und-hilfe\"\u003eAI Chatbot\u003c\/a\u003e allows compatibility checks and installation suggestions. Thanks to a large network of partners and installation professionals, it is possible to efficiently plan and upgrade both marine and car systems. Those who want to learn more about installation techniques or specific performance values can find product datasheets and installation instructions in the online shop that simplify the installation process.\u003c\/p\u003e\n\u003ch2\u003eComprehensive insight into sound and technology: Maximum depth at every frequency\u003c\/h2\u003e\n\u003cp\u003eWith a 12 inch marine subwoofer, every audio scenario becomes a pleasure, whether on the water or in a car. The combination of excellent bass performance, a wide variety of impedance and amplifier connection options, and extensive accessories make these subwoofers reliable companions for music lovers. Thanks to special water protection concepts and robust construction, the models from Hertz and Rockford Fosgate are ideally suited to withstand the harsh conditions at sea or to provide a powerful bass foundation for car audio upgrades in Audi, VW, Opel, and more. If you want professional integration into your system, you can rely on the Masori installation service in Frankfurt Oder and get the ideal audio solution for both boat and car.\u003c\/p\u003e","products":[{"product_id":"hertz-hms-12-b4-ld-w-12-zoll-subwoofer","title":"HMS 12 B4-LD-W","description":"\u003cp\u003eHMS 12 B4-LD-W is a 12 inches (30 cm) Subwoofer from Hertz for Free-Air applications in the marine sector. The subwoofer has a rated power of 500 W RMS and 1000 W Peak at 4 Ohm impedance with a single voice coil. The diaphragm is made of polypropylene with UV inhibitors, the magnet is made of high-density ferrite, and the voice coil has a diameter of 65.5 mm. Xmax is 19 mm, the diameter is 300 mm, the depth is 191 mm, and the weight is 7.6 kg. The classic grille integrates color-adjustable LEDs. Electroacoustic parameters include Fs 30 Hz, Qts 1.0, Qes 1.1, Qms 11.1, BL 8 T·m, Le 0.41 mH, Re 1.8 Ohm, Vas 95.4 l, SPL 89.5 dB, as well as Mms 114 g and Cms 0.225 mm\/N. The magnet size is 156 x 80 x 40 mm.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inches (30 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eMarine Subwoofer\u003c\/li\u003e\n\u003cli\u003eFree-Air design\u003c\/li\u003e\n\u003cli\u003e500 W RMS\u003c\/li\u003e\n\u003cli\u003e1000 W Peak\u003c\/li\u003e\n\u003cli\u003e4 Ohm impedance\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eDiaphragm: Polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eMagnet: High-density ferrite\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø 65.5 mm\u003c\/li\u003e\n\u003cli\u003eClassic grille with integrated, color-adjustable LEDs\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 300 mm (12 inches)\u003c\/li\u003e\n\u003cli\u003eSound pressure level (SPL): 89.5 dB\u003c\/li\u003e\n\u003cli\u003eResonant frequency (Fs): 30 Hz\u003c\/li\u003e\n\u003cli\u003eXmax: 19 mm\u003c\/li\u003e\n\u003cli\u003eDC resistance (Re): 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eInductance (Le): 0.41 mH\u003c\/li\u003e\n\u003cli\u003eVas: 95.4 l\u003c\/li\u003e\n\u003cli\u003eMoving mass (Mms): 114 g\u003c\/li\u003e\n\u003cli\u003eCompliance (Cms): 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL: 8 T·m\u003c\/li\u003e\n\u003cli\u003eQts: 1.0\u003c\/li\u003e\n\u003cli\u003eQes: 1.1\u003c\/li\u003e\n\u003cli\u003eQms: 11.1\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø: 65.5 mm\u003c\/li\u003e\n\u003cli\u003eMagnet size (W x D x H): 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eA: 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB: 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC: 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD: 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF: 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44579731243275,"sku":"HMS-12-B4-LD-W","price":421.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-b4-ld-w-12-30cm-subwoofer-masori-kaufen.webp?v=1747928967"},{"product_id":"hertz-hms-12-b2-ld-c-12-zoll-subwoofer","title":"HMS 12 B2-LD-C","description":"\u003cp\u003eHMS 12 B2-LD-C is a 12 inch (30 cm) subwoofer from Hertz. The marine subwoofer has a continuous power handling of 500 W RMS and 1000 W peak at 2 Ohm impedance with a single voice coil. The basket diameter is 300 mm, the depth is 191 mm, the voice coil has a diameter of 65.5 mm, and the magnet measures 156 x 80 x 40 mm. The diaphragm is made of polypropylene with UV inhibitors, and the magnet is a high-density flux ferrite. Xmax is 19 mm, the resonance frequency is 30 Hz, and the sound pressure level is 89.5 dB. The subwoofer features a black grille with integrated LEDs. Long linear excursion capability and low distortion are specified. The weight is 7.6 kg.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) subwoofer\u003c\/li\u003e\n\u003cli\u003eMarine subwoofer\u003c\/li\u003e\n\u003cli\u003eImpedance 2 Ohm\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003ePower handling RMS 500 W\u003c\/li\u003e\n\u003cli\u003ePower handling peak 1000 W\u003c\/li\u003e\n\u003cli\u003eDiameter 300 mm\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter 65.5 mm\u003c\/li\u003e\n\u003cli\u003eMagnet size 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003cli\u003eMagnet flux ferrite with high density\u003c\/li\u003e\n\u003cli\u003eDiaphragm polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eBlack grille with integrated LEDs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical data\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eDiaphragm diameter 300 mm\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eRe 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eFs 30 Hz\u003c\/li\u003e\n\u003cli\u003eLe 0.41 mH\u003c\/li\u003e\n\u003cli\u003eVas 95.4 l\u003c\/li\u003e\n\u003cli\u003eMms 114 g\u003c\/li\u003e\n\u003cli\u003eCms 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 Tm\u003c\/li\u003e\n\u003cli\u003eQts 1.0\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 11.1\u003c\/li\u003e\n\u003cli\u003eSound pressure level 89.5 dB\u003c\/li\u003e\n\u003cli\u003eA 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44579938337035,"sku":"HMS-12-B2-LD-C","price":421.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-b2-ld-c-12-30cm-subwoofer-masori-kaufen.webp?v=1747929079"},{"product_id":"hertz-hms-12-b2-ld-w-12-zoll-subwoofer","title":"HMS 12 B2-LD-W","description":"\u003cp\u003eThe Hertz HMS 12 B2-LD-W is a 12 inch (30 cm) marine subwoofer with a 2 Ohm single voice coil, designed for free-air applications. The continuous power handling is 500 W RMS, with a peak power handling of 1,000 W. The classic grill features adjustable LED colors. The chassis measures 300 mm, the depth is 191 mm, and the voice coil has a diameter of 65.5. The drive uses high-density ferrite, and the cone is made of polypropylene with UV inhibitors. Electroacoustic specifications include Xmax 19 mm, Fs 30 Hz, and 89.5 dB sound pressure.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) subwoofer\u003c\/li\u003e\n\u003cli\u003eMarine subwoofer\u003c\/li\u003e\n\u003cli\u003eFree-air compatible\u003c\/li\u003e\n\u003cli\u003eImpedance 2 Ohm\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003ePower handling RMS 500 W\u003c\/li\u003e\n\u003cli\u003ePower handling peak 1,000 W\u003c\/li\u003e\n\u003cli\u003eLED colors adjustable on the classic grill\u003c\/li\u003e\n\u003cli\u003eCone polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eMagnet high-density ferrite\u003c\/li\u003e\n\u003cli\u003eSize 300 mm\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø 65.5\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eRe 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eFs 30 Hz\u003c\/li\u003e\n\u003cli\u003eLe 0.41 mH\u003c\/li\u003e\n\u003cli\u003eVas 95.4 l\u003c\/li\u003e\n\u003cli\u003eMms 114 g\u003c\/li\u003e\n\u003cli\u003eCms 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 T*m\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 11.1\u003c\/li\u003e\n\u003cli\u003eSound pressure 89.5 dB\u003c\/li\u003e\n\u003cli\u003eMagnet size B x T x H 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eA 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44579945382155,"sku":"HMS-12-B2-LD-W","price":421.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-b2-ld-w-12-30cm-subwoofer-masori-kaufen.webp?v=1747929086"},{"product_id":"hertz-hms-12-b4-ld-c-12-zoll-subwoofer","title":"HMS 12 B4-LD-C","description":"\u003cp\u003eThe Hertz HMS 12 B4-LD-C is a 12 inch (30 cm) Subwoofer for marine applications, designed for free-air use. The single voice coil with 4 Ohm, a continuous power handling of 500 W, and 1000 W peak are key features. The drive uses a high-density ferrite magnet, a voice coil with a diameter of 65.5 mm, and a polypropylene cone with UV inhibitors. The grill features integrated LEDs. Technical specifications include a depth of 191 mm, Xmax 19 mm, Fs 30 Hz, SPL 89.5 dB, and a diameter of 300 mm. Other parameters: Re 1.8 Ohm, Le 0.41 mH, Vas 95.4 l, Mms 114 g, Cms 0.225 mm\/N, BL 8 Tm, Qts 1, Qes 1.1, Qms 11.1. Dimensions from the diagram: A 342.9 mm, B 279.4 mm, C 192.8 mm, D 140.6 mm, F 52.2 mm.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eMarine Subwoofer\u003c\/li\u003e\n\u003cli\u003eFree-air design\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eImpedance 4 Ohm\u003c\/li\u003e\n\u003cli\u003ePower handling RMS 500 W\u003c\/li\u003e\n\u003cli\u003ePower handling Peak 1000 W\u003c\/li\u003e\n\u003cli\u003eGrill with integrated LED lighting\u003c\/li\u003e\n\u003cli\u003eCone made of polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eMagnet made of high-density ferrite\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eDiameter 300 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003cli\u003eLong linear stroke capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical data\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eVoice coil Ø 65.5 mm\u003c\/li\u003e\n\u003cli\u003eMagnet size 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eRe 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eFs 30 Hz\u003c\/li\u003e\n\u003cli\u003eLe 0.41 mH\u003c\/li\u003e\n\u003cli\u003eVas 95.4 l\u003c\/li\u003e\n\u003cli\u003eMms 114 g\u003c\/li\u003e\n\u003cli\u003eCms 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 Tm\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 11.1\u003c\/li\u003e\n\u003cli\u003eSPL 89.5 dB\u003c\/li\u003e\n\u003cli\u003eSize A 342.9 mm\u003c\/li\u003e\n\u003cli\u003eSize B 279.4 mm\u003c\/li\u003e\n\u003cli\u003eSize C 192.8 mm\u003c\/li\u003e\n\u003cli\u003eSize D 140.6 mm\u003c\/li\u003e\n\u003cli\u003eSize F 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44580262215947,"sku":"HMS-12-B4-LD-C","price":421.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-b4-ld-c-12-30cm-subwoofer-masori-kaufen.webp?v=1747929129"},{"product_id":"hertz-hms-12-s4-ld-g-12-zoll-subwoofer","title":"HMS 12 S4-LD-G","description":"\u003cp\u003eThe HMS 12 S4-LD-G is a 12 inch (30 cm) Subwoofer from Hertz in marine version. Designed for free-air application with single voice coil and 4 Ohm impedance. The RMS power is 500 W, the peak power is 1000 W. The depth is 191 mm, the voice coil diameter is 65.5. The grill features integrated LEDs and is paintable. The drive uses high-density ferrite, the diaphragm is made of polypropylene with UV inhibitors. Electroacoustic parameters include Xmax 19 mm, Fs 30 Hz, Re 3.3 Ohm, Le 0.62 mH, Vas 104.7 l, SPL 89.5 dB, as well as Qts 1, Qes 1.1, and Qms 12.9. The weight is 7.6 kg, and the magnet size measures 156 x 80 x 40 mm.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch Subwoofer (30 cm)\u003c\/li\u003e\n\u003cli\u003eMarine version\u003c\/li\u003e\n\u003cli\u003eFree-Air application\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eImpedance 4 Ohm\u003c\/li\u003e\n\u003cli\u003eRMS power 500 W\u003c\/li\u003e\n\u003cli\u003ePeak power 1000 W\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eGrill with integrated LEDs\u003c\/li\u003e\n\u003cli\u003eGrill paintable\u003c\/li\u003e\n\u003cli\u003eDiaphragm polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eMagnet high-density ferrite\u003c\/li\u003e\n\u003cli\u003eMagnet size 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø 65.5\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSize 300 mm\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eRe 3.3 Ohm\u003c\/li\u003e\n\u003cli\u003eFs 30 Hz\u003c\/li\u003e\n\u003cli\u003eLe 0.62 mH\u003c\/li\u003e\n\u003cli\u003eVas 104.7 l\u003c\/li\u003e\n\u003cli\u003eMms 112 g\u003c\/li\u003e\n\u003cli\u003eCms 0.247 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 Tm\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 12.9\u003c\/li\u003e\n\u003cli\u003eSound pressure 89.5 dB\u003c\/li\u003e\n\u003cli\u003eA 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44580270407947,"sku":"HMS-12-S4-LD-G","price":459.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-s4-ld-g-12-30cm-subwoofer-masori-kaufen.webp?v=1747929135"},{"product_id":"hertz-hms-12-s4-ld-sw-12-zoll-subwoofer","title":"HMS 12 S4-LD-SW","description":"\u003cp\u003eHMS 12 S4-LD-SW is a 12 inch (30 cm) Subwoofer from Hertz in marine version with 4 Ohm single voice coil and a power handling of 500 W RMS as well as 1000 W Peak. The driver is designed for use with open baffle and utilizes a high-performance motor and suspension design. The linear excursion is 19 mm, the resonance frequency is 30 Hz, and the sound pressure level is 89.5 dB. The diaphragm is made of polypropylene with UV inhibitors, the magnet is high-density ferrite, and the voice coil has a diameter of 65.5 mm. An adaptable sport grill with integrated LEDs is included. The mounting depth is 191 mm, the magnet size is 156 x 80 x 40 mm, and the weight is 7.6 kg.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eMarine version\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eImpedance 4 Ohm\u003c\/li\u003e\n\u003cli\u003ePower handling RMS 500 W\u003c\/li\u003e\n\u003cli\u003ePower handling Peak 1000 W\u003c\/li\u003e\n\u003cli\u003eDesigned for open baffle\u003c\/li\u003e\n\u003cli\u003eSport grill with integrated LEDs\u003c\/li\u003e\n\u003cli\u003eHigh-performance motor and suspension design\u003c\/li\u003e\n\u003cli\u003eDiaphragm polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eMagnet high-density ferrite\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø 65.5 mm\u003c\/li\u003e\n\u003cli\u003eMounting depth 191 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSize 300 mm\u003c\/li\u003e\n\u003cli\u003eEffective diameter (D) 300 mm\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eDC resistance (Re) 3.3 Ohm\u003c\/li\u003e\n\u003cli\u003eResonance frequency (Fs) 30 Hz\u003c\/li\u003e\n\u003cli\u003eInductance (Le) 0.62 mH\u003c\/li\u003e\n\u003cli\u003eEquivalent volume (Vas) 104.7 l\u003c\/li\u003e\n\u003cli\u003eMoving mass (Mms) 112 g\u003c\/li\u003e\n\u003cli\u003eCompliance (Cms) 0.247 mm\/N\u003c\/li\u003e\n\u003cli\u003eForce factor (BL) 8 T*m\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 12.9\u003c\/li\u003e\n\u003cli\u003eSound pressure level 89.5 dB\u003c\/li\u003e\n\u003cli\u003eMagnet size (W x D x H) 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eDimension A 342.9 mm\u003c\/li\u003e\n\u003cli\u003eDimension B 279.4 mm\u003c\/li\u003e\n\u003cli\u003eDimension C 192.8 mm\u003c\/li\u003e\n\u003cli\u003eDimension D 140.6 mm\u003c\/li\u003e\n\u003cli\u003eDimension F 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44580285088011,"sku":"HMS-12-S4-LD-SW","price":368.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-s4-ld-sw-12-30cm-subwoofer-masori-kaufen.webp?v=1786921162"},{"product_id":"hertz-hms-12-s2-ld-g-12-zoll-subwoofer","title":"HMS 12 S2-LD-G","description":"\u003cp\u003eHMS 12 S2-LD-G is a 12 inch (30 cm) Subwoofer from Hertz. It is optimized for Free Air applications and requires no special enclosure. The single voice coil with 2 Ohm impedance is designed for 500 W RMS and 1000 W Peak. The cone is made of polypropylene with UV inhibitors, and the drive uses a high-density ferrite magnet. An integrated, paintable grille with LED lights is included. Technical specifications include a 30 Hz resonance frequency, 19 mm Xmax, and 89.5 dB sound pressure. A motor and suspension design for high-performance operation is integrated.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eFree Air optimized\u003c\/li\u003e\n\u003cli\u003eNo special enclosure required\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eImpedance 2 Ohm\u003c\/li\u003e\n\u003cli\u003eRMS power 500 W\u003c\/li\u003e\n\u003cli\u003ePeak power 1000 W\u003c\/li\u003e\n\u003cli\u003eIntegrated grille with LED lights\u003c\/li\u003e\n\u003cli\u003ePaintable grille\u003c\/li\u003e\n\u003cli\u003ePolypropylene cone with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eHigh-density ferrite magnet\u003c\/li\u003e\n\u003cli\u003eMotor and suspension design for high-performance operation\u003c\/li\u003e\n\u003cli\u003eMarine version\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eSize 300 mm\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eVoice coil diameter 65.5 mm\u003c\/li\u003e\n\u003cli\u003eMagnet size 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003cli\u003eResonance frequency Fs 30 Hz\u003c\/li\u003e\n\u003cli\u003eVoice coil resistance Re 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eInductance Le 0.41 mH\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eVas 95.4 liters\u003c\/li\u003e\n\u003cli\u003eMms 114 g\u003c\/li\u003e\n\u003cli\u003eCms 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 T·m\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 11.1\u003c\/li\u003e\n\u003cli\u003eSound pressure 89.5 dB\u003c\/li\u003e\n\u003cli\u003eA 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44580309696779,"sku":"HMS-12-S2-LD-G","price":459.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-s2-ld-g-12-30cm-subwoofer-masori-kaufen.webp?v=1747929145"},{"product_id":"hertz-hms-12-s2-ld-sw-12-zoll-subwoofer","title":"HMS 12 S2-LD-SW","description":"\u003cp\u003eHertz HMS 12 S2-LD-SW is a 12 inch (30 cm) Subwoofer with a diameter of 300 mm and a depth of 191 mm. RMS power 500 W and peak power 1000 W. 2 Ohm impedance with single voice coil and voice coil Ø 65.5. Sport grill design with built-in LEDs. Magnet made of high-density ferrite, diaphragm made of polypropylene with UV inhibitors. Xmax 19 mm, resonance frequency Fs 30 Hz, and sound pressure 89.5 dB. Designed for open baffle. Weight 7.6 kg.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e12 inch (30 cm) Subwoofer\u003c\/li\u003e\n\u003cli\u003eRMS power 500 W\u003c\/li\u003e\n\u003cli\u003ePeak power 1000 W\u003c\/li\u003e\n\u003cli\u003eImpedance 2 Ohm\u003c\/li\u003e\n\u003cli\u003eSingle voice coil\u003c\/li\u003e\n\u003cli\u003eVoice coil Ø 65.5\u003c\/li\u003e\n\u003cli\u003eSport grill design with LEDs\u003c\/li\u003e\n\u003cli\u003eMagnet high-density ferrite\u003c\/li\u003e\n\u003cli\u003eDiaphragm polypropylene with UV inhibitors\u003c\/li\u003e\n\u003cli\u003eDiameter 300 mm\u003c\/li\u003e\n\u003cli\u003eDepth 191 mm\u003c\/li\u003e\n\u003cli\u003eDesigned for open baffle\u003c\/li\u003e\n\u003cli\u003eWeight 7.6 kg\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eD 300 mm\u003c\/li\u003e\n\u003cli\u003eXmax 19 mm\u003c\/li\u003e\n\u003cli\u003eRe 1.8 Ohm\u003c\/li\u003e\n\u003cli\u003eFs 30 Hz\u003c\/li\u003e\n\u003cli\u003eLe 0.41 mH\u003c\/li\u003e\n\u003cli\u003eVas 95.4 l\u003c\/li\u003e\n\u003cli\u003eMms 114 g\u003c\/li\u003e\n\u003cli\u003eCms 0.225 mm\/N\u003c\/li\u003e\n\u003cli\u003eBL 8 T·m\u003c\/li\u003e\n\u003cli\u003eQts 1\u003c\/li\u003e\n\u003cli\u003eQes 1.1\u003c\/li\u003e\n\u003cli\u003eQms 11.1\u003c\/li\u003e\n\u003cli\u003eSPL 89.5 dB\u003c\/li\u003e\n\u003cli\u003eMagnet size B x T x H 156 x 80 x 40 mm\u003c\/li\u003e\n\u003cli\u003eA 342.9 mm\u003c\/li\u003e\n\u003cli\u003eB 279.4 mm\u003c\/li\u003e\n\u003cli\u003eC 192.8 mm\u003c\/li\u003e\n\u003cli\u003eD 140.6 mm\u003c\/li\u003e\n\u003cli\u003eF 52.2 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":44580373594379,"sku":"HMS-12-S2-LD-SW","price":459.04,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/hertz-hms-12-s2-ld-sw-12-30cm-subwoofer-masori-kaufen.webp?v=1747929152"}],"url":"https:\/\/masprori.com\/en\/collections\/marine-12-inch-subwoofer-boat.oembed","provider":"Masori | Shop","version":"1.0","type":"link"}