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Originally Posted by KAY-OS

I have the Harman/Kardon (HK) sound system and I (like many of you here) wish it had more bass.

Anyone heard of the bavsound ghost subwoofer (underseat) paired with the HK system for the m235i? What do you guys think? I am merely looking for a boost in bass and not for sonic perfection.

Are there any other brands which has a similar underseat subwoofer replacement?

This ghost subwoofer seems to tick a lot of my boxes : retain trunk space, relative ease of installation without needing to install an extra amp, plug and play.

Any comments appreciated. Thanks!

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