When buying my sub I still wanted full use of my boot, so I didnt want to go for anything huge. I pondered over getting the 8'' Inch sub for a long time, as I didnt think it would deliver that greater low frequencies, but after hearing all the good reviews I went for it and I'm glad I did. It saved me money and space and the bass it delivers is unbelivable for its size, enough to rival most larger 10'' subs, if not better than alot of them.
Im not saying you must get this one just giving my opinion on what mine has been like.
I wouldn't go for the Edge sub, purely because its from halfrauds, who seem to be the main supplier and alot of the audio equipment from there is normally crap.
Out of the ones youve been looking at id go for the active Vibe one, but bare the small but mighty Juice A8 in mind
