Get ready to feel the bass with this Sound Storm EVO4000.1 monoblock amplifier! Pumping out 4000 watts max power, this Class D beast will drive your subwoofers to their limits and beyond. The efficient Class D design means you get massive power without draining your electrical system. Features variable low pass crossover so you can fine-tune exactly which frequencies go to your subs - cut out the highs and mids for pure, clean bass. Includes both low level RCA inputs and pre-amp outputs for easy connection to your head unit and daisy-chaining multiple amps. The compact monoblock design saves space while delivering serious power. Perfect for powering subwoofers in your car, truck, or SUV audio system. Whether you're building a competition system or just want to add some serious bass to your daily driver, this amp delivers the performance you need. The sleek black finish looks professional and the sturdy construction handles the demands of mobile audio. Great for single or multiple subwoofer setups - just make sure your electrical system and speakers can handle the power! Transform your car audio experience with earth-shaking bass that you can literally feel in your chest. Your music will never sound the same again after you install this powerhouse amplifier.