They are Big, Heavy, Ugly and Expensive. Just how I like my audio equipment! [http://www.powersoundaudio.com/collections/subwoofers] Like I said in the video I prefer the S1500 but the V1500 can get louder and lower. If you are un-sure, the Sealed unit is the way to go.
I don’t think the poor tascam was up for this challenge so don’t think this is the best recording of thousand dollar subs you can hear on youtube. You really have to be here to understand.