[Listens2tubes]

Vandersteen offers their 2Wq in a dual subwoofer setup. http://www.audiophilia.com/hardware/2wqsub.htm

[duggie]

here's another professional, from the audio circle, in favor of stereo subs.  check out the off-topic subwoofer banter between me & mike dzurko on this thread (start reading from lazydays' post):

http://www.audiocircle.com/index.php?topic=34806.10