**help with setting**

[rm2406]

hello all, ive searched the net and cant find anything to help me out..

my system is all set up fine but i just recently bought a new headunit and was wondering about the built in settings for subs..

my question is this H/U has LPF settings for the sub and the only options are 80hz,120hz,160hz, sub off... so it only allows me to have one of these on or sub off?? my amp LPF is set around 80hz so ive heard to only set LPF on one as two might cause undesirable sound.. (throw off bass). any help will be greatly appreciated.

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