Built with one optical input, two 3.5mm inputs, and a stereo RCA input, the Z625 Speaker System with Subwoofer and Optical Input from Logitech delivers 200W RMS, THX-certified, gaming-grade audio for movies and music using its dual 35W satellite speakers and 130W subwoofer. This 2.1-channel speaker system can be simultaneously connected to three devices, and there’s no need to disconnect when switching between audio sources. Functions such as power, volume, and bass, as well as a 3.5mm headphone and auxiliary input jack are all easily accessible on the right speaker. A 3.5mm audio cable and an optical cable are included; while protection is provided by a limited 1-year hardware warranty.