Step up to 7.1-channel home entertainment with the Onkyo stamp of quality. The HT-S5400 gives you the flexibility to harness the two extra front-height channels of Dolby Pro Logic IIz. Now movies, games, and music come alive with atmosphere and realism. When it comes to set-up, Audyssey 2EQ ensures the surround soundstage is adjusted to the proportions of your living room. And thanks to the system's HDMI functionality, you can take advantage of Onkyo's convenient overlaid on-screen display to adjust settings with a minimum of fuss. Naturally, the receiver's four HDMI inputs also handle 3D video and high-def audio from Dolby TrueHD and DTS-HD Master Audio.