Logitech X-540 5.1 Speaker System Speakers details: 2 x front satellite speaker, 1 x center satellite speaker, 2 x rear satellite speaker, 1 x subwoofer System power: 70 watts(RMS) / 140 watts(PMPO) Controls: volume-on remote control and bass-on remote control Interfaces/ports: headphone jack on remote control 2-year limited warranty