The Kenwood eXcelon KFC-X135 5-1/4" 2-way car speakers are a solid upgrade for factory speaker locations where you want cleaner highs, tighter midbass, and dependable power handling without overcomplicating the install. Built for balanced everyday listening, this pair combines a polypropylene woofer and soft dome tweeter in a compact coaxial design that works well in many OEM replacement applications. For buyers looking for a clean-sounding 5-1/4" upgrade from a trusted brand, the KFC-X135 delivers verified eXcelon performance with practical fitment dimensions and included installation hardware. Key Features 5-1/4" 2-way coaxial car speakers 160 watts max power handling 40 watts RMS power handling Injection polypropylene woofer cone 1" soft dome tweeter 4-ohm impedance Compact mounting depth for easier fitment in many factory speaker locations Sound & Speaker Design Woofer: 5-1/4" (130mm) injection PP cone Tweeter: 1" (25mm) soft dome Sensitivity: 86 dB (1W at 1m) Frequency response: 71Hz - 21kHz Designed to improve clarity and detail over many factory full-range speakers Installation & Fitment Notes Speaker size: 5-1/4" Mounting depth: 2-3/8" Cutout diameter: 4-3/4" Tweeter height: 9/16" Fitment can vary by vehicle even when nominal speaker size matches Speaker brackets, harness adapters, and other vehicle-specific installation parts may be required and are sold separately Technical Specifications Configuration: 2-way coaxial speaker system Woofer size: 5-1/4" (130mm) Tweeter size: 1" (25mm) Peak power: 160W RMS power: 40W Impedance: 4 ohms Sensitivity: 86 dB Frequency response: 71Hz - 21kHz Overall dimensions: 5-3/16" x 5-3/16" Depth: 2-15/16" Mounting depth: 2-3/8" Identifiers & Packaging Manufacturer Part Number (MPN): KFC-X135 UPC: 019048241320 Sold As: Pair Included Components: Two speakers, two grilles, eight 4 x 25mm tapping screws, eight speed nuts, speaker cord set, adhesive tape set, warranty card Why Buy From MCOR Automotive Kenwood Preferred Retailer (online and in-store) Experienced in matching speakers, amplifiers, and installation parts for cleaner system upgrades Real-world product support before and after the sale Vehicle Speaker Fitment Notes Use the MCOR Automotive Vehicle Fit Guide to confirm factory speaker sizes and locations for your vehicle before ordering. Speaker fitment can vary by trim level, factory audio package, mounting depth, factory brackets, and door, dash, or rear speaker location. Vehicle-specific speaker adapters, wiring adapters, sound treatment, and installation hardware are sold separately unless specifically listed. Contact MCOR Automotive through the chat button if you want help confirming the correct speaker size and installation parts for your vehicle. Authorized Kenwood Retailer MCOR Automotive is an authorized Kenwood retailer for online and in-store sales. Products sold by MCOR Automotive are genuine and eligible for applicable manufacturer warranty coverage.