KICKER KEY5001 500 Watt Smart Mono Amplifier W/Bass Processor+Amp Kit 47KEY5001 254.95

Automatic bass Now you can get fantastic, powerful bass without shelling out a lot of money for a huge amp or spending too much time tuning the system after installation. Kicker's KEY500.1 compact subwoofer amplifier features automatic signal processing that tailors the sound to blend in perfectly with your specific stereo system. And this compact power pack can send up to 500 watts RMS to your sub. You set the amp gain using the test tone and a KEY indicator light. The KEY Auto setup with the sine sweep analyzes your system's response and applies the equalization and bass boost necessary to produce great bass. Start-Stop problem solved Some eco-friendly cars actually turn off their engines when stopped, and then start up again when the brakes are released. The voltage dip during starting could shut down an amplifier or allow it to pass a dangerous clipped signal to the sub. The KEY500.1 prevents these issues by automatically engaging a limiter in these circumstances. Integrates well This amp's so tiny, it'll fit almost anywhere in almost any vehicle. automatic adjustments include bass restoration and EQ 150 watts RMS x 1 at 4 ohms (300 watts at 2 ohms)