This is the summary of consumer reviews for Onkyo HT-S5400 7.1-Channel Home Theater System. The BoolPool rating for this product is Very Good, with 4.40 stars, and the price range is $399-$505.

The Onkyo HT-S5400 7.1-Channel Home Theater System 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 sound stage 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™. Other connectivity highlights include a handy front-panel USB input that lets you send a clean digital signal from your iPod/iPhone to the receiver, and front-panel analog A/V inputs for easy connection of a game console or camcorder. To provide greater bass impact without taxing the receiver, the package includes an independently powered subwoofer. 

Although it comes with speaker wires, many people recommend getting different ones that are longer and higher in quality.  The wire that comes with the system is not long enough to go throughout many rooms that are on the bigger side. Also, some people have issues with the sound and video cutting out.  But there issues are rare.

Overall, Onkyo HT-S5400 7.1-Channel Home Theater System is a great system to buy. It is high in quality and has an affordable price.