Crunch PowerZone Illuminated Series Amplifiers are shining examples of versatility in car audio amplifiers that also look great and perform without compromise. PZi's built-in Versa Cross™ fully adjustable electronic crossovers provide for fast and easy audio system setups, for almost any speaker system. Another advantage, to prevent obsolescence, all multi-channel PZi amplifiers are bridgeable and low-impedance stable, enabling you to grow your car audio system to a much higher performance level. Make a PZi amp, your first.