Infinity Kappa Five

This handsome little black box delivers big power for your whole system and fits almost anywhere in your car. Infinity's Kappa Five 5-channel amplifier can supply four separate speakers with 75 watts RMS each, plus a subwoofer with 350 watts RMS — good news for everyone who likes their music loud. You could also use this amp to power a pair of high-performance speakers with 200 watts RMS each, and a subwoofer with 350 watts RMS. High- and low-pass filters on the front and rear channels optimize the amp's output for your speakers, increasing the efficiency of the system. For bass, a low-pass filter clears the way for your sub to play clean, powerful bass tones. The amp also features Infinity's Dynamic Bass Optimizer (DBO™) circuitry, which uses a subsonic filter and bass boost to optimize the performance of your sub and enclosure combo. The Kappa Five can accept low- or speaker-level inputs so it'll work in almost any system — and Infinity includes RCA-to-speaker wire adapters so you'll make the right conne...