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AVS › AVS Forum › Audio › Subwoofers, Bass, and Transducers › Help wiring an in-wall sub.
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Help wiring an in-wall sub.

post #1 of 10
Thread Starter 
Help wiring for an in-wall sub. Can I use the speakers B output to wire an in-wall passive sub? The receiver I am using has the 7.1 speaker outputs, and an LFE which the in wall sub does not have. What is the best way to wire the in wall sub? I have the diagrams from the manufacture how to wire the at the sub woofer but it does not tell me where to wire to at the AV receiver.

Thanks!
post #2 of 10
What's the make and model of the sub?
post #3 of 10
Connect the LFE output of the receiver to an external amp using a shielded RCA cable. Then connect the external amp to the subwoofer via speaker cable. If you are running the speaker cable inside the wall, make sure it is CL3 rated.

What sized amp are you looking to use? In the DIY section, we have discussed sub amps ranging from 50w to 4,000w.

-Robert
post #4 of 10
And the link to the manufacture where’s the link so we can see the diagram.
post #5 of 10
get an ep2500 500wx2 rms for $300. Plenty of power for any subs and connect it to your lfe on the back of the reciever. That should rattle your roof or walls.
post #6 of 10
Thread Starter 
Thanks guys! Does the amp need to be a "subwoofer amp" or will a standard amp with and LFE input to the job.

I'm helping my neighbor with his system in his converted garage and he is using pretty low end equipment and speakers so cost is an issue.

Thanks!
post #7 of 10
Thread Starter 
Is there any reason I could not use a dayton SA amp and just not mount it to anything or just bolt it to the inside of my AV cabinet - run the LFE from my AV receiver to the dayton amp then run the speaker wire to the passive sub?

http://www.daytonaudio.com/loudspeaker/amp_sa.html
post #8 of 10
Thread Starter 
...or could I use an Audio Source - 160W Bridgeable 2-Channel Home Theater Amplifier to "power" the passive sub?
post #9 of 10
Yes, to all questions......But, I would go with the second option....
post #10 of 10
Thread Starter 
Thanks so much for your insight.
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AVS › AVS Forum › Audio › Subwoofers, Bass, and Transducers › Help wiring an in-wall sub.