Lschevelle 10+ year member
Senior VIP Member
Is the sp4 some kind of magical woofer? I mean I been looking for a while for sub that can take a lot of power and sound good and good for daily, so I been searching on different forms looking for options and almost 80% of the time the sp4 is getting recommended. It have to more subs out there that is equal or better tha the sp4 for output and sq