{"product_id":"soundxtreme-st-603-6-inch-3-way-350w-coaxial-car-speakers-2-pack-cea-rated-4-ohm","title":"SoundXtreme ST-603 6-Inch 3-Way 350W Coaxial Car Speakers – 2-Pack, CEA Rated, 4 Ohm","description":"\u003ch2\u003eElevate your car audio with SoundXtreme ST-603\u003c\/h2\u003e\n\u003cp\u003eThe SoundXtreme ST-603 pair brings a refreshed listening experience to your vehicle with a 6-inch, 3-way design that covers a broad frequency range. The full-range configuration is tuned to deliver more texture and presence across genres, from punchy bass lines to shimmering highs. Crafted with a sensitive yet sturdy build, these speakers are designed to handle power while maintaining clarity, helping your music feel more natural and immersive during daily commutes or weekend drives.\u003c\/p\u003e\n\u003cp\u003eKey to the sound is the 6-inch injection-molded polypropylene woofer paired with a 30 mm PEI dome tweeter. This combination supports a balanced response from deep lows to crisp highs, while the 3-way arrangement helps separate the highs, mids, and bass for a cleaner overall presentation. The result is a listening experience that reveals more detail in vocals, percussion, and synth tracks without sacrificing loudness or dynamics at moderate volumes.\u003c\/p\u003e\n\u003cp\u003eInstallation is straightforward thanks to practical hardware and design choices. High-temperature resistance and solid build quality help the speakers endure the demands of long drives and variable climates. The package includes all necessary components for a smoother upgrade, making it a practical option for replacing factory speakers without a big budget.\u003c\/p\u003e\n\u003ch3\u003eWhat to expect from your ST-603 upgrade\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eBroad, full-range sound with solid bass, clear mids, and sparkling highs\u003c\/li\u003e\n  \u003cli\u003eImproved efficiency and dynamic range for varied music styles\u003c\/li\u003e\n  \u003cli\u003eEasy installation with standard wiring and mounting options\u003c\/li\u003e\n  \u003cli\u003eDurable construction designed to withstand vehicle conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n  \u003cli\u003eImpedance: 4 ohms; Sensitivity: 89 dB; Frequency response: 65 Hz – 20 kHz\u003c\/li\u003e\n  \u003cli\u003ePower handling: 350W peak for each speaker; 2-speaker pack in the box\u003c\/li\u003e\n  \u003cli\u003eMaterials and design: PEI dome tweeter, polypropylene woofer, robust basket\u003c\/li\u003e\n  \u003cli\u003eMounting depth: 2 3\/4 inches, compatible with a wide range of cars\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you’re navigating busy city streets, hitting the highway, or enjoying a road trip playlist, the ST-603 is designed to offer a more engaging soundtrack without an extravagant price tag. The result is a practical upgrade that can enhance your daily listening and make longer drives more enjoyable—while staying true to the original music, rather than overwhelming it with excessive volume.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included in the SoundXtreme ST-603 package?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two ST-603 speakers, speaker wire, screws, and a user manual for easy installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What listening improvements can I expect?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A full-range 3-way design aims for balanced bass, crisp highs, and clear midrange for on-road listening.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":48412562260125,"sku":"B008Z4CNMG","price":41.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/soundxtreme-st-603-6inch-3way-350w.jpg?v=1781238146","url":"https:\/\/nexoltic.com\/products\/soundxtreme-st-603-6-inch-3-way-350w-coaxial-car-speakers-2-pack-cea-rated-4-ohm","provider":"Nexoltic","version":"1.0","type":"link"}