This bundle includes the Alpine KTA-450 4-Channel Power Pack Amplifier delivering 45W RMS x 4 at 2 or 4 Ohms, the Alpine R2-S69 6x9" R-Series High-Resolution Coaxial Speakers Pair, and the Alpine R2-S65C 6.5" R-Series High-Resolution 2-Way Component Speaker Pair. The Alpine KTA-450 is a compact amplifier with dimensions of 7” W x 3.5” H x 1.25” D, perfect for vehicles with limited space. No extra power supply wire needed due to DPP technology. Features a class D amplifier circuit and a power output of 50W RMS x 4 at 4-Ohm and 45W RMS x 4 at 2-Ohm. The KTA-450 includes a Power Stacking bracket and various accessories for easy installation. Alpine R2-S69 6x9" R-Series Coaxial Speakers produce loud, distortion-free sound with Hi-Res Audio certification. Speaker specs include a maximum peak power of 300 Watts and maximum RMS power of 100 Watts, with a frequency response up to 40kHz. Features a glass-fiber reinforced cone, composite baskets, magnesium hard-dome tweeters, and high-pass X-Over networks. Comes with included speaker grills. Alpine R2-S65C 6.5" R-Series 2-Way Component Speakers deliver powerful, clear sound with emphasis on high and low-end frequencies. Also Hi-Res Audio certified with a frequency response up to 40kHz. Features 16,5cm door woofers, 4,3cm tweeters, and glass-fiber reinforced cones. Maximum peak power of 300 Watts, maximum RMS power of 100 Watts, and a frequency response of 65Hz-40kHz. Includes composite baskets, magnesium hard-dome tweeters, and high-pass X-Over networks. Upgrade your car audio system with this high-performance Alpine bundle, designed to provide a premium audio experience with clear, powerful sound reproduction. The compact amplifier and high-resolution speakers ensure a dynamic and immersive listening experience. Easy installation with included accessories. Enjoy exceptional audio quality and clarity on the road with the Alpine R-Series speakers and KTA-450 Power Pack Amplifier bundle.