Settings for sub help. Gain/Boost/Crossover Freq?

[nathanstl]

Ok first of I have a Kenwood DDX-7015 Dual Din DVD HU and stock speakers. There was absolutely no bass. I just installed a MTX Thunderlink XT110P. It's a powered subwoofer. 10"/ 100watts rms. This is plenty for me as I just wanted good bass fill inside my car(350z). My question involves tuning it.

There are boost -3db/+3db, volume, and crossover 30-150 on the front of the powered sub. Now my headunit has sub preouts and it has a volume control built-in for the sub. It also has a crossover built in. How should I go about setting this up? I know it's all to personal taste, but I'm talking about should I zero out the volume and bass settings on the HU and then adjust to preference on the sub? Or should I zero out all the settings on the sub and then adjust the settings on the HU. Is there a preferred method? Is it better to adjust everything pre amplifier. Thanks guys.

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[chucku 10+ year member]

Id say zero the HU and adjust the powered sub. Then you have a basis for any adjusted change up front, so you can go back to flat in a flash. As for the bass boost, I have a bass knob for my JL 500/1 and use it. Most here will say forget the bass boost, but in some instances it sounds better, thats up to you to figure out.