Product: Z625 Speaker System with Subwoofer and Optical Input,Features: THX Certified 2.1 speaker system, powerful gaming-grade audio for movies and music, delivers crisp sound and thundering bass,Total Watts (Peak): 400 W,Total Watts (RMS): 200 W,Subwoofer Power: 130 W,Satellite Power: 2 x 35 W,Optical Input: 1,3.5 mm Inputs: 2 (up to 1080p),RCA Input: 1,Headphone Jack: 1,Controls: Power, volume, and bass controls on right speaker.