Satellites: 2 x 6 watts RMS. Size of each satellite (W)10.5, (H)15.4, (D)10.8cm. Subwoofer: 10 watts RMS. Size of subwoofer (W)20, (H)21.5, (D)28.5cm. Headphone jack. Separate volume, treble and bass control. Compatible with PCs, CD players and MP3 players. Shielded. Easy install. Speakers shielded. Remote control. Subwoofer and speaker enclosure made of wood to deliver superior acoustics. Manufacturer's 2 year guarantee.