Kicker KS Series 51KSC6504 6.5" Coaxial Speakers, 100W RMS, 4Ω, Pair

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Kicker 51KSC6504 is a 6.5" 2-way coaxial speakers designed for car audio speaker upgrades where clean output, factory-location fitment, and reliable daily-driver performance are re quired. Key Performance Features 15–100 W RMS power handling for upgraded speaker output Not provided peak power handling when properly powered 4 Ω nominal impedance for standard aftermarket system integration Designed for replacement or upgrade use in compatible factory speaker locations System Architecture Type: 2-Way Coaxial Speakers Application: Higher-performance OEM speaker replacement and amplified full-range speaker upgrades Nominal Impedance: 4 Ω System Role: Full-range speaker upgrade Power Handling / Output Continuous Power Handling (RMS): 15–100 W Peak Power Handling: Not provided Driver / Construction Polypropylene woofer cone Rubber woofer surround 3/4" silk-dome tweeter Neodymium tweeter magnet Grilles included Installation Use Cases Factory speaker replacement in compatible vehicle locations Daily-driver car audio upgrades using a factory or aftermarket radio Amplified speaker systems when matched to the speaker's RMS rating Technical Specifications Brand: Kicker Series: KS Series Model: 51KSC6504 Product Type: 2-Way Coaxial Speakers Size: 6.5" Impedance: 4 Ω Power Handling (RMS): 15–100 W Power Handling (Peak): Not provided Frequency Response: 43 Hz – 21 kHz Sensitivity: 90 dB @ 1 W / 1 m Mounting Depth: 1-13/16" top mount; 2-3/16" bottom mount Mounting Hole Diameter: 4-13/16" Identifiers & Packaging MPN: 51KSC6504 UPC: 713034058410 Sold As: Pair (2 speakers) Included Components: Pair of speakers, grilles Why Buy From MCOR Automotive Authorized retailer for the brands we sell Specialists in car audio, marine audio, and vehicle-specific integration Expert support for product selection, amplifier matching, and clean system setup Show more