Cheap and easy Bose audio improvement

sm1ke

2018 Mazda CX-9 Signature
Moderator
Contributor
:
Canada
Hey guys, I consolidated a bunch of DIY information in the CX-9 subforum on how to mod the Bose spare-mounted sub for cleaner, tighter bass. DIY guide here.

I think the CX-5 subwoofer design is slightly different, but the principle should be the same (apply sound deadening material to the housing, and add poly fill inside the housing).

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