Universal compact subwoofer specifically designed for flat screen TVConnects to any TV via the Optical output Simple connection via supplied Optical lead Integrated amplifier for powerful bass reproduction Adjustable bass level control Can also be used to connect to any analogue output device such as DVD Blu-ray player or Freeview box VIBE Optisound Gaming systems are supplied with everything you need to get started. No expensive additional cables are required. Analogue RCA inputs allow direct connection to a single device such as a Blu-ray player satellite or games console in addition if the TV has an analogue RCA output it can connect directly to this so all devices connected to the TV can be output through the subwoofer.