There's 2 x 20W power going to the woofers and 2 x 15W to the tweeters, and the frequency range is 65Hz to 20kHz. That's not as low as your average bookshelf speakers, but too much low end is going to ...
My growing dissatisfaction with my small bookshelf speakers motivated me to wander in to Glenn Poor's Audio-Video in Champaign to check on alternatives.