Can’t get surround to work with MXQ PRO and Pioneer Elite SC-81

Aug 29, 2018
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All my speakers work as advertised when watching direct tv, Xbox, or dvd. It’s just the Mxq box that doesn’t do full surround. All of the before mentioned components are connected the same as the MXQ pro...HDMI to the receiver and one common HDMI from receiver to tv for all components.