Sony XS-680ES is a 6x8-inch 2-way coaxial speaker set designed for full-range vehicle speaker replacement and upgrade applications. It uses a Lightweight Rigid Cellular aramid fiber matrix woofer and a synthetic fiber soft-dome tweeter for broad bandwidth and clean output in OEM replacement or aftermarket systems. Key Performance Features 6x8-inch 2-way coaxial speaker design 75 watts RMS power handling 240 watts peak power handling 40 Hz - 40,000 Hz effective frequency range 89 dB ±2 dB SPL sensitivity (1 W, 1 m) Synthetic fiber soft-dome tweeter extends high-frequency output up to 40 kHz Separated Notch rubber surround helps reduce distortion Dynamic Air Diffuser supports smooth cone travel and voice coil cooling System Architecture Type: 2-way coaxial speakers Application: Full-range front or rear speaker replacement Nominal Impedance: 4 Ω Tweeter Type: 0.79" (2.0 cm) soft dome System Role: Daily-driver and sound-quality-focused full-range speaker upgrade Power Handling / Output Continuous (RMS): 75 W Rated Power: 60 W Peak: 240 W Driver / Construction Lightweight Rigid Cellular aramid fiber matrix woofer diaphragm Rubber Separated Notch surround Ferrite woofer magnet 0.79" (2.0 cm) synthetic fiber soft-dome tweeter Neodymium tweeter magnet Five-beam frame structure with Dynamic Air Diffuser Installation Use Cases Factory speaker replacement in compatible 6x8-inch locations Front-stage or rear-fill speaker upgrades in aftermarket audio systems Suitable for daily-driver and sound-quality-oriented vehicle audio builds Vehicle-specific speaker adapters, brackets, or wiring harnesses may be required depending on application Technical Specifications Brand: Sony Series: Mobile ES Model: XS-680ES Component Type: 2-Way Coaxial Speakers Size: 6 x 8" (16 x 20 cm) Impedance: 4 Ω Effective Frequency Range: 40 Hz - 40,000 Hz Sensitivity: 89 dB ±2 dB SPL (1 W, 1 m) Power Handling (RMS): 75 W Power Handling (Peak): 240 W Rated Power: 60 W Tweeter Size: 0.79" (2.0 cm) Tweeter Type: Soft Dome Weight: 34.22 oz / 970 g Identifiers & Packaging Manufacturer Part Number (MPN): XS-680ES UPC: 027242921061 Sold As: Pair (2 speakers) Included Components: Two speakers, grilles, mounting hardware, and documentation Compatibility / Installation Notes Confirm speaker size, mounting depth, factory opening shape, impedance, and required adapter brackets or speaker harnesses before ordering. Vehicle-specific speaker adapters, harnesses, mounting rings, wiring, and installation materials are sold separately unless specifically included. Use the MCOR Fit Guide or the chat button on this page for help matching these Sony speakers to your vehicle. Why Buy From MCOR Automotive Authorized Sony retailer for genuine Sony car and marine audio products Products sold by MCOR Automotive are eligible for applicable Sony manufacturer warranty coverage 20+ years of vehicle audio installation, system design, and product-matching experience Nationwide fulfillment with support from real 12-volt automotive audio specialists