Where are all seven speakers in the bose sound system for the Mazda 3 2008?

Question

My husband and I just bought a Mazda3 and we have found all of the six speakers to the sound system but we know it comes with 7 speakers. any clue on where the 7th one is, we are still looking.

Answer 1

There is a sub under the passenger seat...this is the 7th one.

Answer 2

Subwoofer (if you can call it that) hidden under passanger seat

Answer 3

ahh my guess would be theres a subwoffer in the trunk? or maby a center speaker in the frount..