it will sound very good and get loud on rated power or less; they just happen to be built with the best materials and will stand the abuse the typical basshead will throw at them.
bump for a greta sub
6 more days till it ends...
on ebay now
found out it's a d2 not d4
http://cgi.ebay.com/ebaymotors/Digital-Designs-DD-3512-subwoofer-12-inch_W0QQcmdZViewItemQQcategoryZ38647QQihZ015QQitemZ250018262005QQrdZ1QQsspagenameZWDVW