{"title":"33 inch car Subwoofer","description":"\u003ch2\u003e33\" Subwoofer – Buy an Impressive Giant Cheaply in the Carhifi Online Shop Masori\u003c\/h2\u003e\n\u003cp\u003eThose looking for powerful deep bass and an impressive car audio upgrade will find an unparalleled solution with a 33-inch subwoofer (84 cm diaphragm diameter). The HELON H 33 EVO from Audio System, in particular, sets standards in bass foundation and delivers a massive sound spectrum with its 5,000 watts RMS and up to 20,000 watts peak. Thanks to the expansive diaphragm area, every SUV, off-road vehicle, or station wagon becomes a rolling bass box and receives precise low-frequency reproduction.\u003c\/p\u003e\n\u003ch3\u003eLarge format subwoofer and technical features\u003c\/h3\u003e\n\u003cp\u003eA 33\" subwoofer requires plenty of space and is especially interesting for audio enthusiasts who do not want to make compromises when it comes to car audio. In order for the woofer to unleash its full sound potential, the following specifications are essential:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMembrane diameter: 84 cm (33 inches) – ideal for powerful deep bass\u003c\/li\u003e\n\u003cli\u003eRMS power rating: 5,000 watts – high continuous power level\u003c\/li\u003e\n\u003cli\u003ePeak power: 20,000 watts – maximum bass reserves\u003c\/li\u003e\n\u003cli\u003eRecommended frequency range: 20 Hz to 120 Hz – deep bass waves\u003c\/li\u003e\n\u003cli\u003eLarge stroke (Xmax) – for dynamic low-frequency impulses\u003c\/li\u003e\n\u003cli\u003eStable voice coil (e.g., 4\" or 5\") – allows for high power handling\u003c\/li\u003e\n\u003cli\u003eMassive magnetic drive – supports powerful deep diving\u003c\/li\u003e\n\u003cli\u003eRecommended impedance (e.g., 2 ohms or 4 ohms) – adjustable to the amplifier\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is already evident from this data that a subwoofer of this size generates an enormous air displacement, which takes the bass pressure in the car to a completely new level.\u003c\/p\u003e\n\u003ch3\u003eInstallation and Housing Requirements in the Car\u003c\/h3\u003e\n\u003cp\u003eThe bright sound character of an 84 cm subwoofer can only be realized in a car audio setup with the appropriate enclosure and accessories. Typical requirements and tips:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCase volume: At least 300 liters – often achievable in SUVs, off-road vehicles, or station wagons.\u003c\/li\u003e\n\u003cli\u003eHousing type: Bass reflex or closed – depending on preferred tuning and target frequency.\u003c\/li\u003e\n\u003cli\u003eInstallation position: In the spacious trunk, as a lot of space is required.\u003c\/li\u003e\n\u003cli\u003eBracing and seals: Required for a pressure-stable construction.\u003c\/li\u003e\n\u003cli\u003eCable cross-sections: Large diameter (at least 50 mm²) for secure power supply.\u003c\/li\u003e\n\u003cli\u003eBattery upgrade: Optional, useful for constant voltage supply at high output power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLarger vehicles such as the VW Touareg, BMW X5, Mercedes GLE, Audi Q7, Opel Insignia, or SEAT Tarraco usually offer enough trunk space to accommodate the subwoofer. For those who prefer a plug-and-play option, special modifications are available, but experience shows that independent installation effort is unavoidable. If you are unsure about compatibility, you can use the AI chatbot on our website to check the interaction with the desired car brand.\u003c\/p\u003e\n\u003ch3\u003eSuitable amplifiers for high power requirements\u003c\/h3\u003e\n\u003cp\u003eTo operate the subwoofer at the required level, a powerful amplifier with Class-D technology is indispensable. At least 5,000 watts of output power are recommended to ensure the voice coil always has sufficient reserves. A wide frequency range is especially important so that deep bass applications can be handled without any problems. In many cases, amplifiers with variable filters are used to adjust the crossover frequencies according to preference.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable Class-D Amps: Power \u0026gt; 5,000 Watts\u003c\/li\u003e\n\u003cli\u003eOptional digital control: Fine adjustment of gain, lowpass, and subsonic\u003c\/li\u003e\n\u003cli\u003eRobust cooling: Ventilated heat sinks for consistent performance\u003c\/li\u003e\n\u003cli\u003eStable power supply: Additional AGM battery or capacitor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis way, you can rely on consistent pressure both in the SPL competition and in everyday listening enjoyment. Those who do not want to handle the installation themselves can have it done by the \u003ca href=\"https:\/\/masprori.com\/pages\/einbauservice\" rel=\"noopener\" target=\"_blank\"\u003eOn-site installation in Frankfurt (Oder)\u003c\/a\u003e to use.\u003c\/p\u003e\n\u003ch3\u003eManufacturer and Portfolio at a Glance\u003c\/h3\u003e\n\u003cp\u003eAt Masori, car audio enthusiasts will find a comprehensive range of subwoofers, including gigantic 33-inch models from Audio System. In particular, the HELON H 33 EVO stands out here due to its impressive performance figures. To get a better idea, it is worth studying the technical specifications of the model:\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e33\" (84 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS power\u003c\/td\u003e\n\u003ctd\u003e5,000 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak performance\u003c\/td\u003e\n\u003ctd\u003e20,000 watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003eDual 2 Ohm (model dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 120 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuitable housing type\u003c\/td\u003e\n\u003ctd\u003eBass reflex \/ Closed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eAudio System is known for powerful deep bass specialists with its Helon and X-Series products. For tuning these large subwoofers, a fully parametric equalizer is generally recommended to filter out disturbing frequency resonances, or DSP-controlled amplifiers are used for precise sound correction.\u003c\/p\u003e\n\u003ch4\u003eImportant accessory components\u003c\/h4\u003e\n\u003cp\u003eTo install the subwoofer in the best possible way and perfect the car sound, you should rely on high-quality accessories. The following components are indispensable:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePower cables, RCA cables, and remote lines with the appropriate cross-section\u003c\/li\u003e\n\u003cli\u003eFuse holder (ANL or Mini-ANL) for optimal overcurrent protection\u003c\/li\u003e\n\u003cli\u003eResonance-damping insulation materials (e.g., Alubutyl)\u003c\/li\u003e\n\u003cli\u003eDistribution blocks and solid terminals for secure connections\u003c\/li\u003e\n\u003cli\u003eOptional: Additional battery or capacitor for stable voltage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you have questions about installation in specific vehicle models, whether VW Golf, BMW 3 Series, Mercedes C-Class, Audi A4, Opel Astra, or SEAT Leon, our support team is here to help. \u003ca href=\"https:\/\/masprori.com\/pages\/faq-und-hilfe\" rel=\"noopener\" target=\"_blank\"\u003eExpert Support\u003c\/a\u003e gladly assist with the planning. For individual inquiries, the AI chatbot is also available to detect any mismatches in impedances or trunk space at an early stage.\u003c\/p\u003e\n\u003ch3\u003eWhy a 33-inch Subwoofer for Uncompromising Bass Enthusiasts\u003c\/h3\u003e\n\u003cp\u003eThe use of such a large Grand Slam subwoofer is recommended for anyone who wants to get the maximum out of their car audio setup. Thanks to the gigantic diaphragm area and the high voice coil-based power handling, a deep, powerful pressure level is achievable, far surpassing conventional 10\" or 12\" subwoofers. However, buyers should have sufficient prior knowledge, as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA lot of space in the trunk is required\u003c\/li\u003e\n\u003cli\u003eLarge amplifier power is required\u003c\/li\u003e\n\u003cli\u003eReinforced body insulation can be useful\u003c\/li\u003e\n\u003cli\u003eA precise adjustment to the interior is essential\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis creates a systematically structured sound asset that equally excites fans of car hi-fi, car sound, and car audio. Not to be forgotten is the necessary respect for the installation effort, as a solid enclosure with airflow optimization and stable mounting is mandatory.\u003c\/p\u003e\n\u003ch4\u003eRecommendation for all bass fans\u003c\/h4\u003e\n\u003cp\u003eThose who have space in an off-road vehicle, station wagon, or SUV will find a solution in an 84-cm subwoofer like the HELON H 33 EVO, which creates unique deep bass. Careful planning and tuning are important: this concerns the enclosure tuning, the adjustment of the crossover, and a reliable power supply. With the right Class-D amplifier, sufficient enclosure volume, and professionally installed cables, the subwoofer delivers unparalleled pressure in the low-frequency range.\u003c\/p\u003e\n\u003cp\u003eFor those for whom professional installation or consultation is indispensable, we offer the \u003ca href=\"https:\/\/masprori.com\/pages\/einbauservice\" rel=\"noopener\" target=\"_blank\"\u003eInstallation service in Frankfurt (Oder)\u003c\/a\u003e. In addition, there is always the possibility to contact the \u003ca href=\"https:\/\/masprori.com\/pages\/faq-und-hilfe\" rel=\"noopener\" target=\"_blank\"\u003eExpert Support\u003c\/a\u003e or to contact the integrated AI chatbot on masprori.com to directly address all installation questions, compatibility checks, or performance comparisons.\u003c\/p\u003e","products":[{"product_id":"audio-system-helon-h-33-evo-33-zoll-84cm-subwoofer","title":"Helon H 33 EVO","description":"\u003cp\u003eAudio System Helon H 33 EVO is a 33-inch Subwoofer with an outer diameter of 840 mm and an installation diameter of 771 mm. The SPL Power-Subwoofer uses an ultra-stable KPC paper membrane, a Pure Carbon dust cap, and a flow-optimized, ultra-stable cast basket. Driven by a magnetic system with HEM magnet, improved T-joke, and pole-plate construction. The double-stitched, highly flexible foam surround and woven 2-fold silver wires complement the progressive 6-fold PPTA Connex spider. A 152 mm flat wire dual voice coil made in the USA and a 20-fold ventilation system are integrated. The performance data includes impedance of 2x 1 Ohm, 2x 5000 Watts, 2x 2500 Watts, and 20000 Watts peak at 50 Hz. The installation depth is 420 mm with a weight of 39 kg.\u003c\/p\u003e\n\u003cdiv\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003e33-inch Subwoofer\u003c\/li\u003e\n\u003cli\u003eSPL Woofer\u003c\/li\u003e\n\u003cli\u003eSPL Power-Subwoofer\u003c\/li\u003e\n\u003cli\u003eultra-stable KPC paper membrane\u003c\/li\u003e\n\u003cli\u003eflow-optimized, ultra-stable cast basket\u003c\/li\u003e\n\u003cli\u003edouble-stitched, highly flexible foam surround\u003c\/li\u003e\n\u003cli\u003ewoven 2-fold silver wires\u003c\/li\u003e\n\u003cli\u003emagnetic system with HEM magnet\u003c\/li\u003e\n\u003cli\u003eimproved T-joke and pole-plate construction\u003c\/li\u003e\n\u003cli\u003eprogressive 6-fold PPTA Connex spider\u003c\/li\u003e\n\u003cli\u003ePure Carbon dust cap\u003c\/li\u003e\n\u003cli\u003eUSS Spacer (Up Stroke Spacer)\u003c\/li\u003e\n\u003cli\u003e152 mm flat wire dual voice coil, made in the USA\u003c\/li\u003e\n\u003cli\u003e20-fold ventilation system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul\u003e\n\u003cli\u003eImpedance: 2x 1 Ohm\u003c\/li\u003e\n\u003cli\u003ePower: 2x 5000 Watts\u003c\/li\u003e\n\u003cli\u003ePower: 2x 2500 Watts\u003c\/li\u003e\n\u003cli\u003e20000 Watts peak at 50 Hz\u003c\/li\u003e\n\u003cli\u003eWeight: 39 kg\u003c\/li\u003e\n\u003cli\u003eInstallation diameter: 771 mm\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 420 mm\u003c\/li\u003e\n\u003cli\u003eOuter diameter: 840 mm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Audio System","offers":[{"title":"Default Title","offer_id":40683905548467,"sku":"H33EVO","price":5999.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0271\/9478\/5927\/files\/audio-system-helon-h-33-evo-33-84cm-subwoofer-masori-kaufen_c0b3a4e2.jpg?v=1782256308"}],"url":"https:\/\/masprori.com\/en\/collections\/33-inch-car-subwoofer.oembed","provider":"Masori | Shop","version":"1.0","type":"link"}