Can the DSP unit be added to the CDR-220 head unit? Has anyone done this before? What exactly does it do? I think it adjust the equalizers to maximize the sound for each genre,am I right?
__________________
-99' Zenith Blue 5-spd...didn't agree with a center divider on the freeway
-01' S Orient Red Metallic 6-spd...money pit...sold to buy a house