I would agree with double checking the pre-out for the Sub, I also own the 3805 and the surround pre-out is right next to the sub pre-out. Also check in your setup that the sub is set to LFE in the speaker setup as well as setting it up in the input setup. Only other thing I can think of is setting the crossover on the receiver at 80hz and making sure your RCA from the receiver is going to the line in on your ep350. Hope this helps.


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