Now PSB is back with two new models in the growing BP subwoofer family: the tiny SubSeries BP7 ($1,199), which uses a pair of 6.5-inch drivers, and the flagship SubSeries BP12 ($4,199), which is ...
no---a 6.5" driver isn't capable of reproducing sub-bass frequencies at a usable volume level. A 10" driver is the minimum, IMO. What do you need the speaker for?