The sound processor helped my system. Made it better. It instantly sounded cleaner and clearer. It’s possible using an EQ could give similar results but the unit is almost magic. I found using filters on my amps or head killes some of the dynamics so I end up turning them off but the crossover/filter in this must be exceptionally better. Using the sound app I made changes I may not have considered that improved clarity and removed distortion. My system is louder. The input output controls gave me more bass and helped balance two 15” MTX on different amps. The delay really moves the imaging and moves the subs when is crazy. It was fantastic until I started the car and I had alternator noises for the first time in this system. I moved the internal jumpers and removed it but there is some rumble way down and I had noise once trying to split to different amps. I since added a few filters. It’s hard to accept that mid bass is the downfall of most systems I have tried to build a system to optimize mid bass but the graphs are correct and the processor can dial everything in. Sonic had a nice price and usual there by Thursday shipping but more importantly had it available to consider. Looking for places to install equipment is tough but this worked out well and gives a professional look and sound.