Quote Originally Posted by D3nb3r View Post
So hindi po advisable mag stock HU>DSP>amplifier na setup? Plan ko sana to install a processor in the future dahil limited lang capabilities ng HU ko and ayaw ko rin palitan HU ko dahil sa TPMS, GPS and etc na mga features.
Depends on the head unit, but take note that a lot of stock head units has filters built into it. Unless you have a way in bypassing the filters, you'll get sub-optimal sound.

Still, the term is "sub-optimal", for many.. the inclusion of a processor and tuning is still a leap ahead.