View Full Version : LFE vs RCA??

09-22-2006, 10:49 AM
What makes the other better? What is better?? Which should I use?
My reciever and subwoofer amp accept either one.

09-22-2006, 10:54 AM

The output marked "LFE" usually is the ".1" track, the low frequency effects...and it's a mono RCA out most of the time.

I have no idea what you mean by "RCA" though.

09-22-2006, 12:39 PM
my mistake.
What I ment is if my receiver has both of these outputs and my amp accepts both which should I use? Which is of better quality?

RCA = L/R (red/white)
LFE = mono(purple)

09-22-2006, 12:53 PM
Well you would want to run the LFE. Because if you have your receiver setup right then you sould get low freq when you are playing something on a Stereo Track such as music; AND if you use the LFE movie's low frequency data which would be mixed out of the L&R will come out the sub where you want it to go. So set your receiver for a crossover of about 80Hz and tell it you ARE running a subwoofer and then you sould be in like sin (which like a lot BTW). LOL....

09-22-2006, 12:55 PM
someone fill me in here. LFE is a LP rca?

09-22-2006, 01:19 PM
Home theatre stuff.

09-22-2006, 01:35 PM
Currently im running the sub with the LFE output. Im just curious to know that if Im usinf the LFE im missing some low end information that the L/R rca contain.

09-22-2006, 03:09 PM
Sounds like the RCA output is a full-range preamp output for running a seperate power amp...

So no, for subbass you wouldn't be missing a thing, and the preamp output wouldn't have Xover control.

09-22-2006, 03:09 PM
If you have your Receiver setup correctly you should NOT be missing any information... Make sure that you have it setup so that the sub is on when you are listening to the two channel stereo format.