So here is the back of the sub-woofer.
http://images10.newegg.com/productimage/...
And here is the back of my receiver.
http://ecx.images-amazon.com/images/I/81...
I have a red/white to red/white rca audio cable can I use that?
Can I connect the red and white of my sub to both of the receiver's sub-woofer outputs or should I just use one output. Or should I use a Y splitter or something?
Just one connection is fine. Internally the subwoofer combines the two inputs anyway, and that second input is simply provided for your convenience.
A friend told me: Connect the red and white of my sub to both of the receiver's sub-woofer outputs.
Sounds fine!
Let us know if we can continue to help