The good: Beautifully finished six-piece, 5.1 channel home theater speaker package with advanced driver technology; amazingly potent 8-inch, 250 watt powered subwoofer; compact size.

The bad: Unusual setup required for best sound quality.

The bottom line: The Definitive Technology ProCinema 600 surround speakers pack a mighty wallop for their small size, but the system needs some extra care during setup to sound its best.

Specifications: Type of speaker: home theater speaker system ; Color: Gloss black ; Amplification type: Active subwoofer, passive satellites

this preview I was gotten from here