Anyone interested in building their own subs should check these out
http://www.partsexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=299-750&orefer=esf021904-299-750
What you are looking at is the bass unit from the £6K Revel Ultima Sub
Apparently it was designed for Revel by JBL pro, and the final units are being shipped out cheap. About £300 for a pair:JOEL:
http://www.partsexpress.com/pe/pshowdetl.cfm?&DID=7&Partnumber=299-750&orefer=esf021904-299-750
What you are looking at is the bass unit from the £6K Revel Ultima Sub
Apparently it was designed for Revel by JBL pro, and the final units are being shipped out cheap. About £300 for a pair:JOEL: