ZVOX 580 Low-Profile Single-Cabinet Surround Sound System with Optical and Coaxial Digital Inputs Dimensions: 36 "w x 16.5 "d x 5 "h Weight: 33 pounds. Amplifier: The 580 uses a high-efficiency 120 watt Class D digital amplifier. Rear inputs: (2) analog stereo inputs, (1) digital (To slink) optical input, (1) coaxial digital input. Front input: (1) 3.5mm stereo front panel input.