these are WHT speakers, with a matching subwoofer, hand made in Australia, the speakers are 95db, 8ohms, the sub has a 15" woofer, and the sensitivity is rated at 102db, (super fast). for more information on these speakers, go to www.whtspeakers.com. i am driving these speakers with a custom made 300b SET amp, (8watts), and a marantz sa17s1 sacd player, all the cables are from psc audio, www.pscaudio.com. amazing sound.