The Kenwood KFC-415C is a 4x10-inch 2-way coaxial speaker system designed to provide a major upgrade over factory OEM speakers while maintaining easy drop-in installation compatibility. Featuring an injection-molded polypropylene woofer cone, balanced dome tweeter, and high-efficiency design, the KFC-415C delivers improved clarity, stronger midbass response, and crisp highs compared to factory speakers. Its compact 4x10 size makes it especially popular for older GM, Ford, and Chrysler vehicles using factory 4x10 speaker locations. Features & Highlights 4x10-inch 2-way coaxial speaker system Injection-molded polypropylene woofer cone Balanced dome tweeter for crisp highs High-efficiency speaker design Improved bass response over factory speakers Durable urethane surround Ferrite magnet motor structure OEM replacement-friendly sizing Excellent upgrade for older factory audio systems Sold as a pair Specifications Specification Details Speaker Size 4" x 10" Speaker Type 2-Way Coaxial RMS Power Handling 40 Watts Peak Power Handling 160 Watts Impedance 4 Ohms Frequency Response 45Hz – 22kHz Sensitivity 91 dB Woofer Cone Material Injection Polypropylene Tweeter Type Balanced Dome Surround Material Urethane Magnet Type Ferrite Mounting Depth Approx. 2-3/8"