Kicker 51KSS6504 KSS650 6.5-Inch Component Speaker System, 4-Ohm

OverviewThe KICKER 51KSS6504 KSS650 is a 6.5-inch, 4-ohm component speaker system with polypropylene woofers, silk-dome tweeters, compact crossovers, and flexible tweeter mounting options. Can be installed as a separate-component system or converted to a coaxial configuration with the included adapter system Thin-mount woofer design fits behind many factory grilles Four tweeter mounting options, including an articulating tweeter pod Grilles included Specifications System Quantity Pair Woofer 6.5 in (160 mm) Tweeter 1 in (25 mm) silk dome Rated Impedance 4 Ohm Recommended Amplifier Power 15-125 W RMS Peak Power 250 W (owner manual) Sensitivity 90 dB (1 W, 1 m) Frequency Response 35 Hz-21 kHz Woofer Mounting Hole 4-13/16 in (123 mm) Woofer Mounting Depth 1-13/16 in (46 mm) Flush Tweeter Hole 1-3/4 in (45 mm on product page; 44 mm in owner manual) Flush Tweeter Depth 11/16 in (17 mm) High-Pass Crossover 12 dB at 4,000 Hz High-Frequency Attenuation 0, 4.5, or 9 dB What's in the Box Pair of 6.5-inch woofers Pair of 1-inch silk-dome tweeters Compact crossover networks Grilles Articulating tweeter pods and configuration/mounting adapters Fitment & Important Notes This is a universal component-speaker system, not a vehicle-specific fitment claim; verify cutout, depth, grille, and tweeter clearances. KICKER's installation guide says supplied adapters may require trimming or modification for some vehicles/applications. Use with a source unit or amplifier rated for a 4-ohm load.