Alpine

The top two complaints about the way a car's factory system sounds are that there's not enough volume and there's not enough bass. Alpine's PSU-300CVC Powered System Upgrade solves both of these issues in your Honda Civic with a neat and clever combination of products designed to bring joy to all music lovers. The package includes a compact 4-channel amplifier and a powered subwoofer, both mounted in a Civic-specific bracket which mounts under the passenger seat and wired up using Honda-specific harnesses. The PSU-300CVC upgrade is compatible with the factory Honda base radio and almost all other aftermarket receivers. Alpine says you should be able to install this upgrade in your car in two hours or less. Alpine's KTP-445U Power Pack amplifier increases your radio's power output to 45 watts RMS by 4 channels, considerably more than what's put out by the Honda radio. A universal plug lets you feed a signal via RCA outputs or speaker-level wiring. A built-in high-pass filter optimizes the sound for your spe...