Built-in LIGHTSYNC RGB lighting blasts game driven lighting colors and effects activated by the audio in many popular games Explosive 240 Watts Peak power and unique driver design deliver a huge soundscape for a heightened gaming experience Integrated DTS:X Ultra surround sound renders 3D positional audio so you hear your gaming environment from every angle Easily customize four speaker lighting zones with Logitech Family Software for both front and rear light projection in your choice of 16.8 million colors Works with Windows based PCs and Bluetooth enabled devices including computers, smartphones and tablets (DTS:X not supported on Mac OS X) Sound Pressure Level (SPL Max) - 97decibel @426B