{"product_id":"hertz-cento-cs-300-s4-car-subwoofer-700w-4-ohm-300mm","title":"Hertz Cento CS 300 S4 Car Subwoofer 700W 4 Ohm 300mm","description":"The Hertz Cento CS 300 S4 subwoofer delivers powerful, accurate bass from an ultra-compact sealed enclosure. Its 4-ohm single voice coil ensures broad amplifier compatibility, while the advanced six-layer voice coil cooling system keeps temperatures in check during long listening sessions. The innovative fluid dynamics system reduces air compression distortion for cleaner low frequencies. With a polypropylene cone engineered via FEM simulations, this 300mm driver achieves tight control and low distortion at high excursions. The compact magnetic group and lack of a rear decompression hole allow flexible custom box designs. Perfect for enthusiasts seeking an exciting low-frequency reproduction in their car.\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 300 mm (12 in)\u003cbr\u003e\u003cstrong\u003eContinuous Power Handling:\u003c\/strong\u003e 350 W\u003cbr\u003e\u003cstrong\u003ePeak Power Handling:\u003c\/strong\u003e 700 W\u003cbr\u003e\u003cstrong\u003eImpedance:\u003c\/strong\u003e 4 Ohm\u003cbr\u003e\u003cstrong\u003eVoice Coil Diameter:\u003c\/strong\u003e 35 mm (1.38 in)\u003cbr\u003e\u003cstrong\u003eMagnet Size (D x d x h):\u003c\/strong\u003e 134 x 45 x 34 mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.844 kg\u003cbr\u003e\u003cstrong\u003eMagnet Type:\u003c\/strong\u003e High density flux ferrite\u003cbr\u003e\u003cstrong\u003eCone Material:\u003c\/strong\u003e Polypropylene\u003cbr\u003e\u003cstrong\u003eXmech:\u003c\/strong\u003e 16.5 mm\u003cbr\u003e\u003cstrong\u003eD (Effective Diameter):\u003c\/strong\u003e 267.7 mm\u003cbr\u003e\u003cstrong\u003eXmax:\u003c\/strong\u003e 12.5 mm\u003cbr\u003e\u003cstrong\u003eRe (DC Resistance):\u003c\/strong\u003e 3.6 Ohm\u003cbr\u003e\u003cstrong\u003eFs (Resonance Frequency):\u003c\/strong\u003e 25 Hz\u003cbr\u003e\u003cstrong\u003eLe (Inductance):\u003c\/strong\u003e 3.64 mH\u003cbr\u003e\u003cstrong\u003eVas (Equivalent Volume):\u003c\/strong\u003e 93.42 L\u003cbr\u003e\u003cstrong\u003eMms (Moving Mass):\u003c\/strong\u003e 193 g\u003cbr\u003e\u003cstrong\u003eCms (Suspension Compliance):\u003c\/strong\u003e 0.21 mm\/N\u003cbr\u003e\u003cstrong\u003eBL (Force Factor):\u003c\/strong\u003e 14.8 T*m\u003cbr\u003e\u003cstrong\u003eQts:\u003c\/strong\u003e 0.47\u003cbr\u003e\u003cstrong\u003eQes:\u003c\/strong\u003e 0.50\u003cbr\u003e\u003cstrong\u003eQms:\u003c\/strong\u003e 7.2\u003cbr\u003e\u003cstrong\u003eSPL:\u003c\/strong\u003e 86.5 dB\u003cbr\u003e\u003cstrong\u003eOuter Diameter (A):\u003c\/strong\u003e 318 mm\u003cbr\u003e\u003cstrong\u003eMounting Diameter (B):\u003c\/strong\u003e 281 mm\u003cbr\u003e\u003cstrong\u003eMounting Depth (C):\u003c\/strong\u003e 147 mm\u003cbr\u003e\u003cstrong\u003eMagnet Diameter (D):\u003c\/strong\u003e 130 mm\u003cbr\u003e\u003cstrong\u003eFrame Diameter (E):\u003c\/strong\u003e 308 mm\u003cbr\u003e\u003cstrong\u003eFrame Thickness (F):\u003c\/strong\u003e 28.3 mm\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":54093674676561,"sku":null,"price":199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/2772\/5905\/files\/Hertz_Cento_CS300_S2-1.jpg?v=1781789042","url":"https:\/\/shoponyxac.co.uk\/products\/hertz-cento-cs-300-s4-car-subwoofer-700w-4-ohm-300mm","provider":"Onyx Auto Care","version":"1.0","type":"link"}