Kicker KS-Series 51KSS6504 6.5" Component Speakers and 51KSC6504 6.5" Coaxial Speakers - High Power Handling, Polypropylene Woofer, Tough Rubber Surrounds Enhance your audio experience with our premium Kicker 6.5" speaker package. This package includes 51KSS6504 component speakers and 51KSC6504 coaxial speakers, delivering unparalleled sound quality. Immerse yourself in exceptional sound quality and enjoy superior audio performance with this top-notch system. Upgrade your car's sound system and indulge in an immersive listening experience. Kicker 51KSS6504 Component Speakers: Condition: New Woofer Size: 6-1/2 inches (160 mm) Tweeter Size: 1 inch (25 mm) Impedance: 4 Ω Amplifier Power (RMS): 15-125 Watts Sensitivity: 90 dB (1W, 1m) Frequency Response: 35-21,000 Hz Woofer Mounting Hole Diameter: 4-13/16 inches (123 mm) Woofer Bottom Mount Depth: 1-13/16 inches (46 mm) Flush Mount Tweeter Hole Diameter: 1-3/4 inches (45 mm) Flush Mount Tweeter Depth: 11/16 inches (17 mm) High Pass: 12 dB at 4,000 Hz Low Pass: None High-Frequency Output Attenuation: 0, 4.5, 9 dB Grilles included Kicker 51KSC6504 Coaxial Speakers: Condition: New Design: 2-Way Woofer Size: 6-1/2 inches (160 mm) Tweeter Size: 3/4 inch (20 mm) Impedance: 4 Ω Amplifier Power (RMS): 15-100 Watts Sensitivity: 90 dB (1W, 1m) Frequency Response: 43-21,000 Hz Mounting Hole Diameter: 4-13/16 inches (123 mm) Top Mount Depth: 1-13/16 inches (46 mm) Bottom Mount Depth: 2-3/16 inches (54 mm) Tweeter Protrusion: 5/16 inch (8 mm) Woofer Cone Material: Polypropylene Woofer Surround Material: Rubber Grilles included