Enhance your car audio system with the Alpine S-Series Hi-Res Audio Bundle, featuring the Alpine S2-A55V 5-Channel Amplifier, the S2-S40C 4" Component Speaker Set, and the S2-S40 4" Coaxial Speaker Set. The Alpine S2-A55V Amplifier delivers 40W x 4 + 200W x 1 @ 4Ω and 60W x 4 + 300W x 1 @ 2Ω, ensuring powerful sound output. It is Hi-Res Audio Certified with a frequency response up to 40kHz. Its flexible application allows for integration with any factory or aftermarket system, making it perfect for a complete audio upgrade. The amplifier features a two-sided terminal layout, adjustable crossovers, and optional remote bass knob compatibility. The Alpine S2-S40C 4" Component Speaker Set is Hi-Res Audio Certified with a frequency response up to 40kHz. Crafted with Poly Propylene, Glass Fiber, and Mica Cone materials, it offers reliable performance with minimal distortion. The inclusion of HAMR Surround technology allows for powerful and accurate bass notes. This set features a 4" woofer, 1" tweeter, and maximum RMS power of 45W. The Alpine S2-S40 4" Coaxial Speaker Set complements the bundle with Hi-Res Audio Certification and reliable performance characteristics. Utilizing Poly Propylene, Glass Fiber, and Mica Cone materials, these speakers offer a clean and accurate audio experience. The HAMR Surround technology enables maximum cone movement for impactful bass notes. With a 4" woofer, 3/4" tweeter (Coaxial), and maximum RMS power of 45W, this set is designed for exceptional sound reproduction. Upgrade your car audio system with the Alpine S-Series Hi-Res Audio Bundle for immersive sound quality and a superior listening experience. Perfect for music enthusiasts seeking a premium audio solution for their vehicle. Enjoy crystal-clear audio performance and powerful bass output, creating a dynamic and enjoyable driving experience. Elevate your sound system with Alpine's renowned quality and innovation.