Two things, first the door kind of acts like its own enclosure so you wont get the same bass response in the back as in the front. The backs are actually open to the trunk. Second the ones you bought could have something wrong with them. Either of these things could be the problem or neither?
By the way did you blow the rears or something? Why did you mess with retrofitting cheap OEM's fronts over ther rears.
By the way did you blow the rears or something? Why did you mess with retrofitting cheap OEM's fronts over ther rears.