Is a RF 3 Sixty or a RE-Q the only option for adding a subwoofer and amp to replace the factory bose sub, onto my bose system with Navi? I like the head unit, looks super clean and I don't mind the functionality, even the speakers are OK - for bose, but I just want more bass.
If there is a simpler way that would be sweet, but i'm imagining that the signal coming to the factory bose sub (amp?) is anything but clean and full range.
Thanks!
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