LFE.

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"LFE" output is related to the use of any signal processing format which includes the low frequency output as a discrete channel. Many - if not most - of the more recent Dolby and DTS procesing formats output discrete information to the subwoofer. Your source player can also play a function in adding the subwoofer as a discrete (LFE) channel when playing music. If the player has 5.1 or 7.1 analog outputs or a digital out which takes its information from discrete channels of information contained on the disc, then the processor should see those channels (when they exist on the disc) and direct them to the appropriate channels including the LFE. If your system lacks any music procesing formats or you are using a two channel only CD player, then the subwoofer will typically not be fed any LFE signal. There are a few new integrated amplifiers which feature "LFE" outputs but the name is somewhat a misnomer as "LFE" is conventionally linked to some sort of matrixed or discrete multi-channel output from the source. In this case your owner's manual should provide instructions on how to set up and utilize the subwoofer outputs for music.



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diggy, the LFE is an rca conection from receiver to sub.
If you lack either end, then you use speraker level inputs to the sub.

Have you tried it with the RCA connection to your sub diggy? It really should work, even in stereo mode. Both of my AVR's power up the sub when listening in stereo.

Should just work. One thing to keep in mind is that some subs have low sensitivity in regards to their "auto-on" feature. My Velodyne VX10 is like that. I had to increase the LFE signal on the receiver in order for the sub to wake up when music started.