1.2.4G wireless subwoofer , 2.YAMAHA audio sound techolongy 3.output power:240W 4.Analog 5.1 5.3D surround Specification2.4G wireless subwoofer ,DSP:YAMAHA,output power:240W,Support optical PCM input and analog inputSimulation 5.1 channel,3D suround.connect films,Television ,music and other eight kind of sound modeThin shape (Depth 39.5mm) save space and lineconnect TV ,DVD, ipad, iphone and so ...