There are many fancy speaker systems on the market. In most cases, you do get what you pay for. In the case of the Verbal Music Request Speaker, you pay more for the convenience factor. It accepts verbal requests from you and finds the song you are interested in. Its free iOS / Android app uses voice recognition software to search for songs. The app can go through your library and internet radio stations to find what you need.
This speaker has one subwoofer, two woofers, two tweeters, and five class-D amps. It connects to your wireless home and can stream music from your handheld device. It is also compatible with YouTube videos (it has a HDMI port). Not cheap but offers a ton of interesting features.