The lg 2300w 4.2ch high performance av receiver system arx10 features includes an integrated usb direct recording & playback with 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 bluetooth. smart dj function for party music feel the various & powerful dj effects automatically with smart dj. powerful design with maximum output power high performance av receiver system arx10 2300w, 4.2channel 12 inch giant tall boy speaker wireless music streaming via bluetooth connection smart dj function for party music lg arx 10 4.2 channel bluetooth h/t/s*b* plusexpand all total power output 2300w rms channel 4.1ch premium radial horn tweeter yes bass blast yes payment on delivery 2Years warranty