Kicker KS Series 51KSC404 4-inch Coaxial Speakers, 4 Ω, Pair

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Kicker 51KSC404 is a 4-inch KS-Series 2-way coaxial speaker pair designed for replacing compatible factory speakers in car audio systems. The coaxial design gives daily-driver vehi cles a straightforward upgrade path with cleaner full-range output from a factory-style speaker location. Key Performance Features 4-inch 2-way coaxial speaker pair 4 Ω nominal impedance Coaxial layout for simple speaker replacement Designed for upgraded car audio output in compatible factory locations System Architecture Type: Coaxial speaker pair Size: 4-inch Nominal Impedance: 4 Ω Application: Car audio speaker replacement Power Handling / Output RMS Power: Verify against Kicker specifications before amplifier matching Peak Power: Not provided Driver / Construction Coaxial full-range driver layout Integrated high-frequency driver Designed for factory-style speaker openings where compatible Installation Use Cases Factory speaker replacement Daily-driver audio upgrades Door, dash, or rear-deck locations where the listed size fits Technical Specifications Brand: Kicker Series: KS Model: 51KSC404 Product Type: Coaxial speaker pair Size: 4-inch Impedance: 4 Ω Identifiers & Packaging MPN: 51KSC404 UPC: 713034045137 Sold As: Pair Included Components: Two speakers, grilles where applicable, mounting hardware, documentation 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 speaker selection, amplifier matching, and clean system setup Show more