DESC: 125 Watts per channel (2-Ch. Stereo) + 150 Watts to Subwoofer / 3 Disc CD Changer / Dual Cassette Deck / 3-Way Main Speakers SONY MHC-GX450 Minisystem -- Sony's engineering team have Integrated new technologies to help small Audio systems deliver Sound performance that compare to large systems. Adding a Subwoofer to the system's pair of 3-Way speakers adds a level of depth, richness, and dimension that make Music feel and sound more real than ever.