This premium audio bundle includes the Alpine KTA-450 4-Channel Power Pack Amplifier, Alpine R2-S69 6x9" R-Series Coaxial Speakers, and Alpine R2-S653 6.5" R-Series Pro 3-Way Component Speaker Set. Alpine KTA-450 Amplifier: Compact size at 7” W x 3.5” H x 1.25” D Utilizes exclusive DPP technology for a big power boost No extra power supply wire needed for installation Dynamic Peak Power output 100 W RMS X 4 @ 2-Ohm Features class D amplifier circuit and Power Stacking bracket Alpine R2-S69 Coaxial Speakers: Delivers loud and clear sound without distortion Features glass-fiber reinforced cone for accurate music reproduction Maximum Peak Power: 300 Watts, Maximum RMS Power: 100 Watts Frequency Response up to 40kHz, Sensitivity: 88dB SPL Includes 6x9” Door Woofer, 4,3cm Hard-Dome Tweeter, and speaker grills Alpine R2-S653 Component Speaker Set: Top of the line 3-Way Component PRO Speaker Designed with glass-fiber reinforced cones for accurate music reproduction Maximum Peak Power: 300 Watts, Maximum RMS Power: 100 Watts Frequency Response up to 40kHz, Sensitivity: 88dB SPL Includes 16.5cm Door Woofer, 9.6cm Mid-Range, 4.3cm Hard-Dome Tweeter Upgrade your car audio system with this high-performance bundle that provides high-resolution sound and powerful amplification. Enjoy a dynamic listening experience with crystal-clear sound quality and impressive power output. Perfect for music enthusiasts seeking premium audio performance in their vehicle. Enhance your driving experience with the Alpine audio bundle today!