2020 Rebel Harman Kardon HK System Bass Upgrade? Little Bass Only?

[nickliftedrebel]

Reposted from General Discussion:

I Want to Upgrade the Harman Kardon System subwoofer bass the easiest way possible to at least get a moderate noticeable improvement? I just got my truck I really like the HK system I just wish there was a little more bass in the system more like my factory challenger HK system had. Maybe Simply polyfill or plug and play just Subwoofer swap in same box factory amp setup? Appreciate the help!

 

[nickliftedrebel]

update:
I’m at +5 on EQ setting and the bass is there but barely better than my previous alpine on my 2017 Ram. Possible Software issue you guys think?

 

[vincentw56]

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