{"product_id":"hertz-uno-s-300-s4-uno-series-12-inch-250watt-rms-4-ohm-component-subwoofer","title":"Hertz Uno S 300 S4 Uno Series 12-inch 250Watt RMS 4-ohm Component Subwoofer","description":"\u003ch4\u003eHertz Uno S 300 S4 Uno Series 12-inch 250Watt RMS 4-ohm Component Subwoofer\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHertz Uno S 300 S4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e12-inch (300 mm) 2-way component speaker system\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned to significantly enhance your car’s audio quality. Engineered with premium materials—including a pressed-paper woofer and a precision dome tweeter—this speaker delivers deep, powerful bass along with crisp, clear highs. Ideal for upgrading factory-installed speakers, the Uno S 300 S4 offers a dynamic and immersive listening experience for car audio enthusiasts.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressed-Paper Woofer for Rich Bass\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eThe robust 12-inch pressed-paper woofer provides excellent low-frequency reproduction with a balanced and punchy bass output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Dome Tweeter\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eEquipped with a high-quality dome tweeter (often featuring a PEI or similar material), the system delivers detailed high frequencies and an expansive soundstage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Crossover Network\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eThe built-in crossover ensures a seamless transition between the woofer and tweeter, optimizing frequency distribution and reducing distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Magnet System\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eUtilizes a high-flux density ferrite magnet for the woofer and a Neodymium magnet for the tweeter, enhancing power efficiency and dynamic performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned with OEM integration in mind, the Uno S 300 S4 comes with versatile mounting options and accessories, allowing for a straightforward upgrade in a variety of vehicle configurations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent\u003c\/strong\u003e: 2-Way Component Speaker System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 300 mm (12 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Handling\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous (RMS):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApproximately 125W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUp to 250W\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpedance\u003c\/strong\u003e: 4 Ohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: Approximately 40 Hz – 22 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitivity\u003c\/strong\u003e: ~93–95 dB SPL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWoofer Voice Coil Diameter\u003c\/strong\u003e: ~38 mm (1.5 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTweeter Voice Coil Diameter\u003c\/strong\u003e: ~20–25 mm (0.8–1 in.)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnet Materials\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eWoofer: High-flux density ferrite\u003c\/li\u003e\n\u003cli\u003eTweeter: Neodymium\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCone Material\u003c\/strong\u003e: Pressed paper (woofer) and high-grade dome material (tweeter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003eWoofer: ~0.8 kg (1.76 lbs)\u003c\/li\u003e\n\u003cli\u003eTweeter: ~0.05 kg (0.11 lbs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0563\/1043\/1926\/files\/S300S4-Alt-2-600x600.jpg?v=1759497818\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0563\/1043\/1926\/files\/CS300-scaled.jpg?v=1759497829\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Hertz","offers":[{"title":"Default Title","offer_id":48387590324469,"sku":"CAR2402189","price":49.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0789\/8274\/2261\/files\/S300S4-Alt-1-600x600.jpg?v=1783541857","url":"https:\/\/nortrano.com\/products\/hertz-uno-s-300-s4-uno-series-12-inch-250watt-rms-4-ohm-component-subwoofer","provider":"nortrano","version":"1.0","type":"link"}