This app can be used on specific Android devices. OS versions 4.3 and later are supported. Please read the precautions carefully before using. Z-tune app exclusively for tuning the Z3 Full Digital Sound Processor Z-tune enables intuitive operation of basic tuning functions such as Cross Over, Time Alignment, and Equalizer. What’s more, it also supports Intelligent Tune based on Clarion’s original acoustic technologies. Up to 4 of your tuned parameters can be stored for easy adjustment of the s