{"product_id":"pair-of-soundxtreme-5x7-6x8-in-3-way-350-watts-coaxial-car-speakers-4-ohm-2-speakers","title":"SoundXtreme ST-680","description":"\u003ch2 data-section-id=\"1s4vmwj\" data-start=\"112\" data-end=\"163\"\u003eBalanced 3-Way Full-Range Sound Performance\u003c\/h2\u003e\n\u003cp data-start=\"164\" data-end=\"478\"\u003eThe SoundXtreme ST680 5x7\/6x8 coaxial speakers are designed to deliver balanced full-range audio with enhanced clarity across bass, midrange, and high frequencies. The 3-way design separates sound reproduction for more detailed and immersive listening, making vocals clearer and instrument separation more defined.\u003c\/p\u003e\n\u003cp data-start=\"480\" data-end=\"665\"\u003eWith a peak power handling of 350W per pair, these speakers provide strong output for users looking to upgrade from weak factory systems to a more dynamic and engaging sound experience.\u003c\/p\u003e\n\u003ch2 data-section-id=\"m6vbzs\" data-start=\"672\" data-end=\"727\"\u003eDurable Construction \u0026amp; Efficient Audio Delivery\u003c\/h2\u003e\n\u003cp data-start=\"728\" data-end=\"1007\"\u003eBuilt with a polypropylene mid-woofer cone and polyester foam surround, the ST680 is engineered for durability and consistent performance over time. The materials are selected to reduce distortion while maintaining smooth cone movement for better low- and mid-frequency response.\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1181\"\u003eThe balanced PEI dome tweeter ensures crisp, detailed high frequencies without harshness, while the extended voice coil design improves efficiency and overall sound output.\u003c\/p\u003e\n\u003ch2 data-section-id=\"1qjsung\" data-start=\"1188\" data-end=\"1237\"\u003eEasy Upgrade Fitment \u0026amp; Everyday Usability\u003c\/h2\u003e\n\u003cp data-start=\"1238\" data-end=\"1480\"\u003eDesigned for 5x7 and 6x8-inch factory replacement applications, the ST680 speakers are ideal for upgrading stock door or rear deck speakers in many vehicles. Their shallow mounting depth allows for easier installation in tight factory spaces.\u003c\/p\u003e\n\u003cp data-start=\"1482\" data-end=\"1655\"\u003eWith 4-ohm impedance and moderate power requirements, they integrate smoothly with most factory head units or aftermarket stereos without requiring a high-powered amplifier.\u003c\/p\u003e\n\u003chr data-start=\"1657\" data-end=\"1660\"\u003e\n\u003ch2 data-section-id=\"1wf6jk6\" data-start=\"1662\" data-end=\"1677\"\u003eHighlights\u003c\/h2\u003e\n\u003cul data-start=\"1678\" data-end=\"2321\"\u003e\n\u003cli data-section-id=\"1cn42qt\" data-start=\"1678\" data-end=\"1742\"\u003e3-way coaxial speaker design for full-range audio separation\u003c\/li\u003e\n\u003cli data-section-id=\"107c7er\" data-start=\"1743\" data-end=\"1799\"\u003eCompatible with 5x7 and 6x8 factory speaker openings\u003c\/li\u003e\n\u003cli data-section-id=\"89aj7v\" data-start=\"1800\" data-end=\"1837\"\u003e350W peak power handling per pair\u003c\/li\u003e\n\u003cli data-section-id=\"3wm18y\" data-start=\"1838\" data-end=\"1888\"\u003e10–75W RMS recommended power range per channel\u003c\/li\u003e\n\u003cli data-section-id=\"j8bkwd\" data-start=\"1889\" data-end=\"1939\"\u003e4-ohm impedance for broad system compatibility\u003c\/li\u003e\n\u003cli data-section-id=\"llg8fo\" data-start=\"1940\" data-end=\"1987\"\u003e90dB sensitivity for efficient sound output\u003c\/li\u003e\n\u003cli data-section-id=\"3hjupt\" data-start=\"1988\" data-end=\"2048\"\u003ePolypropylene mid-woofer cone for durability and clarity\u003c\/li\u003e\n\u003cli data-section-id=\"1mpq2m9\" data-start=\"2049\" data-end=\"2103\"\u003ePolyester foam surround for improved bass response\u003c\/li\u003e\n\u003cli data-section-id=\"jtrxax\" data-start=\"2104\" data-end=\"2160\"\u003ePEI balanced dome tweeter for crisp high frequencies\u003c\/li\u003e\n\u003cli data-section-id=\"iud04x\" data-start=\"2161\" data-end=\"2203\"\u003eFrequency response range: 45Hz – 20kHz\u003c\/li\u003e\n\u003cli data-section-id=\"1hmv4qi\" data-start=\"2204\" data-end=\"2269\"\u003eExtended voice coil (EVC) technology for improved performance\u003c\/li\u003e\n\u003cli data-section-id=\"1beg2oy\" data-start=\"2270\" data-end=\"2321\"\u003eShallow top-mount depth for easier installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2323\" data-end=\"2326\"\u003e\n\u003ch2 data-section-id=\"1qqb6bp\" data-start=\"2328\" data-end=\"2349\"\u003ePackage Contents\u003c\/h2\u003e\n\u003cul data-start=\"2350\" data-end=\"2497\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"5advt2\" data-start=\"2350\" data-end=\"2414\"\u003e2 × SoundXtreme ST680 5x7\/6x8\" 3-Way Coaxial Speakers (Pair)\u003c\/li\u003e\n\u003cli data-section-id=\"hwmdb2\" data-start=\"2415\" data-end=\"2439\"\u003e1 × Speaker Wire Set\u003c\/li\u003e\n\u003cli data-section-id=\"1yirkud\" data-start=\"2440\" data-end=\"2466\"\u003e1 × Mounting Screw Kit\u003c\/li\u003e\n\u003cli data-section-id=\"o8swzd\" data-start=\"2467\" data-end=\"2497\" data-is-last-node=\"\"\u003e1 × User Installation Manual\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SoundXtreme","offers":[{"title":"Default Title","offer_id":45686781903039,"sku":"704129646667","price":39.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0533\/6252\/4351\/files\/81jlhU4HpFL.jpg?v=1780606711","url":"https:\/\/nsidistributor.com\/products\/pair-of-soundxtreme-5x7-6x8-in-3-way-350-watts-coaxial-car-speakers-4-ohm-2-speakers","provider":"NSI Audio Distributing","version":"1.0","type":"link"}