Originally Posted by Henrik

I have just put in a new sub in the car. It's only a 10" and it's mounted in a sealed box, so pretty standard set-up.

Now, I have this "thing". It's not so much of a problem but more an interesting observation.

When I crank the volume up inside the car, until it feels like my guts are vibrating it's obviously very loud inside the car. However, because I don't want to be a prat and sound like a boy racer, I decided to turn the volume up, but stand outside of the car to listen to it, and I could not hear the bass at all! :) The wing etc were visually vibrating, but there was no bass sound? I could still hear the original speakers through the front doors though.

Was I just 'lucky' and I happened to stand in a spot where the bass cancelled itself out due to reflection on house walls, or is this a known phenomena?

Obviously, if noone can hear it outside, it's good because it means I can listen to music without feeling like an idiot :)

Oh, I also have no sound proofing in the car yet, it will go in in the weekend, so should deaden the front doors a bit, right?