As soon as I can afford it, I will be dumping these bass drivers, though. I have always hated these pearl drivers. You can't even fart in the same room without them bottoming out. I've tried them in multiple configurations to the point where I've had about 15 liters and an aperiodic firing in to a larger cabinet and that didn't even do it. These cabinets are 38L. I will be buying the SB https://www.madisoundspeakerstore.c...cl45-4-8-polypropylene-cone-sub-woofer-4-ohm/