Opis Enjoy full, balanced PC audio in a compact design with the Logitech LS21 stereo speaker system. High-excursion tweeters and a down-firing subwoofer deliver the balanced audio quality you expect from Logitech. The headphone jack allows you to listen in private. Cable management system reduces clutter. Technical Specifications * Total FTC power: 7 watts RMS - Subwoofer: 4 watts RMS (into 4 ohms, @ 1 kHz, @ 10% THD) - Satellites: 1.5 watts RMS x 2 (into 4 ohms, @ 1 kHz, @ 10% THD) * Total peak power: 14 watts * Drivers: - Satellites: 5.1 cm (2 inch) high-excursion metallic drivers - Subwoofer: 7.6 cm (3 inch) 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") - Subwoofer: 21.3 x 14 x 17.8 cm (8.4" x 5.5" x 7")