Kenwood Electronics KAC7005PS audio amplifier

4 x 40 W, 1 x 300 W, 100 dB, 20 - 20000 Hz, 1200 W 5-Ch Design - Power your entire system with a single 5-channel amplifier. This powerful one amplifier solution for front and rear speakers plus subwoofers, is an easy solution for any vehicle to enahnce your factory sound system.
Variable High-Pass Filter - Filters low frequencies out of the music and passes only signals above a certain frequency (called the cut-off frequency) to mid and high range speakers.
Variable Low-Pass Filter - Filters high frequencies out of the music and improves efficiency and sound quality by allowing only the low frequencies to pass to the subwoofer.
Variable Bass Boost - Adjust the fixed bass boost frequency (40Hz) to maximize natural bass performance.