From the product info: Sound you can feel Experience the highest sound quality with Dolby TrueHD and dts-HD codecs which reproduce high-definition sound with 7.1 channels of discrete audio for uncompromised quality.
Is that a question or a statement ????? If it doesn't say it supports 7.1, then it doesn't. There are very few that do support 7.1 . one I know of is $400.00 and the other 2 are $800.00. Also very few of the bluray movies are in 7.1