I'm a little embarassed to ask this, because it seems so basic, but here goes: My friend just bought a new subwoofer and he's trying to connect it to his reciever. The receiver has a single LFE RCA output. The subwoofer has stereo RCA inputs (ie: Left and Right). How does he get the entire LFE signal to the subwoofer properly? I think a single cable from the reciever's LFE RCA output into either the subwoofer's Left or the Right RCA input would do it, but does he need to split the signal? And if he does split it with a simple Y-connector, won't he just be sending 2 identical mono signals to the sub? I'm sure the sub's manual covers this, but it's not at his fingertips now, and I'm in another city. Hope someone can help with this basic question. Thanks.