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.