2300W, 4.2Ch, Bass Blast, Dual Subwoofer, BT, Smart DJ, HDMI 3 in & 1 outUSB Direct Recording & PlaybackSmart DJUSB Direct Recording & PlaybackWith the LG Home Theater System, Micro and Mini Audio you can not only play files stored on USB devices but record CD tracks or FM radio programs on your USB, while listening at the same time.Wireless Audio StreamingEnjoy your favorite music on mobile devices through LG sound system with wireless audio streaming via Bluetooth.Smart DJFeel the various & powerful DJ effects automatically with Smart DJNOTE