Become immersed in your favorite movies, games, TV shows and music with this BeFree Sound BFS-425 5.1-Channel Surround Sound Speaker System. With five 2-3/4" speakers and a 4" amplifier, this speaker system delivers robust audio to fill your space with sound, so you hear every note, word and explosion. Plus, with USB, SD card and Bluetooth capabilities, it's easy to enjoy your favorite content on compatible devices.