Logitech's Z625 speaker system provides THX certified audio for your games, movies and music. Connect up to three devices at once so you can seamlessly switch between inputs without having to keep plugging in and out. THX Sound This 2.1 channel system boasts peak power of 400W so it packs serious audio punch. With THX certification you can be sure of optimal sound reproduction, delivering audio as the artist intended. The high range is packed with crisp detail, backed up with thunderous bass. Easy Control With 3.5mm, optical and RCA inputs, you can connect, for example, your games console, your TV and your computer or smart device at the same time. And all controls, including independent bass control, are easily accessible on the right satellite speaker. System requirements: Audio with 3.5mm, Optical or RCA output Box includes: Right satellite Left satellite Subwoofer 3.5mm to 3.5mm cable Optical cable User documentation