{"product_id":"pair-of-soundxtreme-5-25-in-4-ohm-3-way-320-watts-coaxial-car-speakers-cea-rated-2-speakers","title":"SoundXtreme ST-503","description":"\u003ch2 data-section-id=\"hxwojz\" data-start=\"111\" data-end=\"162\"\u003eCompact 3-Way Upgrade for Clearer Car Audio\u003c\/h2\u003e\n\u003cp data-start=\"163\" data-end=\"477\"\u003eThe SoundXtreme ST-503 5.25-inch coaxial speakers are designed to upgrade factory audio systems with improved clarity, balance, and output. The 3-way design separates sound into bass, midrange, and treble frequencies, delivering a more detailed and enjoyable listening experience compared to standard OEM speakers.\u003c\/p\u003e\n\u003cp data-start=\"479\" data-end=\"659\"\u003eWith a peak power handling of 320 watts per pair, these speakers provide strong output for their compact size, making them ideal for vehicles with smaller factory speaker openings.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1gwfwqk\" data-start=\"666\" data-end=\"715\"\u003eBalanced Sound with Enhanced Highs \u0026amp; Mids\u003c\/h2\u003e\n\u003cp data-start=\"716\" data-end=\"1011\"\u003eBuilt with a polypropylene woofer cone and flexible rubber surround, the ST503 delivers solid mid-bass response while maintaining durability over time. The PEI dome tweeter and super tweeter work together to enhance high-frequency detail, producing crisp vocals and clear instrument separation.\u003c\/p\u003e\n\u003cp data-start=\"1013\" data-end=\"1157\"\u003eThis combination ensures a well-balanced sound signature suitable for a wide range of music styles, from pop and rock to hip-hop and electronic.\u003c\/p\u003e\n\u003ch2 data-section-id=\"ng96y5\" data-start=\"1164\" data-end=\"1221\"\u003eEasy Installation \u0026amp; Reliable Everyday Performance\u003c\/h2\u003e\n\u003cp data-start=\"1222\" data-end=\"1483\"\u003eDesigned for 5.25-inch factory speaker replacements, the ST-503 offers a straightforward upgrade path for many compact vehicle applications. Its standard mounting depth and 4-ohm impedance make it compatible with most factory head units and aftermarket stereos.\u003c\/p\u003e\n\u003cp data-start=\"1485\" data-end=\"1661\"\u003eEngineered with heat-resistant materials and a durable steel basket, these speakers are built to handle daily driving conditions while maintaining consistent audio performance.\u003c\/p\u003e\n\u003chr data-start=\"1663\" data-end=\"1666\"\u003e\n\u003ch2 data-section-id=\"1wf6jk6\" data-start=\"1668\" data-end=\"1683\"\u003eHighlights\u003c\/h2\u003e\n\u003cul data-start=\"1684\" data-end=\"2291\"\u003e\n\u003cli data-section-id=\"b2hmiz\" data-start=\"1684\" data-end=\"1740\"\u003e3-way coaxial design for full-range sound separation\u003c\/li\u003e\n\u003cli data-section-id=\"1j7eijl\" data-start=\"1741\" data-end=\"1801\"\u003e5.25-inch speaker size for compact vehicle compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"mf9q0c\" data-start=\"1802\" data-end=\"1839\"\u003e320W peak power handling per pair\u003c\/li\u003e\n\u003cli data-section-id=\"12bbvig\" data-start=\"1840\" data-end=\"1889\"\u003e4-ohm impedance for wide system compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"1w4j5q4\" data-start=\"1890\" data-end=\"1946\"\u003ePolypropylene woofer for strong mid-bass performance\u003c\/li\u003e\n\u003cli data-section-id=\"fjtp1b\" data-start=\"1947\" data-end=\"1999\"\u003eFlexible rubber surround for improved durability\u003c\/li\u003e\n\u003cli data-section-id=\"g4dzpv\" data-start=\"2000\" data-end=\"2054\"\u003ePEI dome tweeter for crisp high-frequency response\u003c\/li\u003e\n\u003cli data-section-id=\"hcs8yc\" data-start=\"2055\" data-end=\"2103\"\u003eAdditional super tweeter for enhanced detail\u003c\/li\u003e\n\u003cli data-section-id=\"9nzo28\" data-start=\"2104\" data-end=\"2146\"\u003eFrequency response range: 55Hz – 20kHz\u003c\/li\u003e\n\u003cli data-section-id=\"llg8fo\" data-start=\"2147\" data-end=\"2194\"\u003e90dB sensitivity for efficient sound output\u003c\/li\u003e\n\u003cli data-section-id=\"rl4wcu\" data-start=\"2195\" data-end=\"2239\"\u003eSteel basket construction for durability\u003c\/li\u003e\n\u003cli data-section-id=\"hqf3z0\" data-start=\"2240\" data-end=\"2291\"\u003eHeat-resistant design for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2293\" data-end=\"2296\"\u003e\n\u003ch2 data-section-id=\"1qqb6bp\" data-start=\"2298\" data-end=\"2319\"\u003ePackage Contents\u003c\/h2\u003e\n\u003cul data-start=\"2320\" data-end=\"2465\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"4fe9lo\" data-start=\"2320\" data-end=\"2382\"\u003e2 × SoundXtreme ST-503 5.25\" 3-Way Coaxial Speakers (Pair)\u003c\/li\u003e\n\u003cli data-section-id=\"hwmdb2\" data-start=\"2383\" data-end=\"2407\"\u003e1 × Speaker Wire Set\u003c\/li\u003e\n\u003cli data-section-id=\"1yirkud\" data-start=\"2408\" data-end=\"2434\"\u003e1 × Mounting Screw Kit\u003c\/li\u003e\n\u003cli data-section-id=\"o8swzd\" data-start=\"2435\" data-end=\"2465\" data-is-last-node=\"\"\u003e1 × User Installation Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45686899933375,"sku":"704129646650","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81OXZUIcUdL.jpg?v=1780608646","url":"https:\/\/nsidistributor.com\/products\/pair-of-soundxtreme-5-25-in-4-ohm-3-way-320-watts-coaxial-car-speakers-cea-rated-2-speakers","provider":"NSI Audio Distributing","version":"1.0","type":"link"}