I apologize if somebody already recommended this but did you validate your wattage to your subs with a voltage meter? If your subs are mechanically bottoming out it kind of sounds like they are over powered. There are a ton of useful videos on YouTube on setting your gain if you haven’t tried that yet.
Sub clipping after setting gains - SMD DD1
in SMD Distortion Detector (DD-1) Topics
Posted · Edited by Homeskillet
I apologize if somebody already recommended this but did you validate your wattage to your subs with a voltage meter? If your subs are mechanically bottoming out it kind of sounds like they are over powered. There are a ton of useful videos on YouTube on setting your gain if you haven’t tried that yet.