Line drivers or other workarounds- HELP

[mkiv]

Ok so after some trial and error it seems like the subwoofer RCA on my pioneer p4100dvd aren't working. However there is still some output from the sub, just not enough. So my question is would a line driver work to boost the signal to an acceptable level?

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[maylar 10+ year member]

One of the few cases where a line driver/preamp is needed is when the preouts don't have enough level to drive the amp to the desired level. I have the same problem and solved it with a preamp.