Inheriting Clarion’s commitment to sound in its design concept, the AC Processor IV is our original digital processor that concentrates the high sound quality and acoustic field analysis technologies of a high-end model into a single chip. Gathering Digital Crossover, Dolby Prologic II, Time Alignment functions, its dynamic sound and ability to flexibly accommodate your car’s interior will instantly transform your listening experience. What’s more, the Listening Position Optimiser (LPO) that virtually adjusts the speaker distance to create a sound stage that matches a wide variety of vehicles, and Digital Z-Enhancer that lets you choose from 4 preset equalisation patterns to satisfy your sound preferences. This gives the means to freely adjust and adapt the sound to your car interior.