Logitech LS21 2.1 Stereo Speaker System ?

Total FTC power: 7 watts RMS Subwoofer: 4 RMS (into 4 ohms, @ 1 kHz, @ 10% THD) Satellites: 1.5 RMS x 2 (into 4 ohms, @ 1 kHz, @ 10% THD) Total peak power: 14 watts Drivers: Satellites: 2-inch (5.1 cm) high-excursion metallic drivers Subwoofer : 4-inch (10.2 cm) Max-X™ high-excursion subwoofer Speaker dimensions (H x W x D): Satellites: 14.7 x 8.6 x 8.1 cm (5.8 x 3.4 x 3.2 inches) Subwoofer: 21.3 x 14 x 17.8 cm (8.4 x 5.5 x 7 inches)