I have a PSW10 subwoofer connected to the pre-out of my Pioneer VSX-D08 receiver with an RCA cable. The sub lacks LFE, whatever that is, though the receiver has a setting for it called 'LFE Attenuator ...

Without knowing the specs of either part, I'd first say to just plug one channel into the sub. OR, you can get a plug that splits the sub out of your reciever to L/R and voila.

Crossovers are an integral part of every loudspeaker. Find out what you need to know. Although speakers are critical components in an audio system, many consumers take them for granted. After all, ...