5.1 channel system uses three front speakers left center right and two surround speakers placed on the sides of the room The subwoofer supplies low-frequency effects and low bass so you can enjoy cinematic surround sound in the comfort of your home Crafted to perfection Sony home theatre systems have been elegantly designed to complement your home Sleek bold lines give these Blu ray disc™ players and speakers a sophisticated look adding a touch of class to your home entertainment