The amazing Yamaha Home Theater Receiver is ready for customization installation, even though it has some formats which is ready to be used. It features 6 channels, Cinema DSP,silent cinema, 24 surround sound program, and a Quad-Field. The Yamaha home theather receiver is a high power system which allows to 6 channels, DTS ES Matrix 6.1 decoding, Dolby Digital Ex, and Dolby Pro Logic 2 decoding. The item takes 120 volts and 320 watts.