Onkyo M504 connection

I have a pioneer vsx95 elite and want to connect m504 ,I'm not sure on how to proceed. On the back of the pioneer I have 4 connections for left and right front speakers. 2 for right ,2 for left. But on the onkyo amplifier it has only 2 input connections one left one right. After some searching for manuals and very vague diagrams I have no clear idea. Any advice I thank you greatly. I apologize for my noobness.
 
Remove the "U" link from the socket, connect the top two R and L PRE-out to the M504.

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