PowerZone PZi amplifiers feature a unique and attractive ZoneKool™ heatsink. Heat dissipation is one of the most important factors in amplifier design and Crunch’s ZoneKool system uses CAD extruded industrial grade aluminum for superior heat dissipation. Crunch designed the PowerZone amplifiers with simplicity and flexibility in mind, so they added variable bass boost controls and variable Versa Cross™ high-pass and low-pass crossovers, all of which allow you to tweak the sound to your personal taste. Matching a PowerZone amplifier to your vehicle is easy with a 0.2-5 volts input gain adjustment. Floating ground high-level inputs also allow you to connect the amp to any factory radio’s speaker outputs while eliminating any possibility of noise interfering with the music. Internally, you’ll find the latest SEPP (Single Ended Push Pull) class A/B operation, full MOSFET circuitry, and PowerZone PWM (Pulse Width Modulation) power supply. Minimize