Someone on the car audio forums posted a video they
made to show two 6.5" woofers in a TL box (I think)
inside a car hitting 146db @ 31hz. There are many
non-believers. I think the meaurements were flawed
or the author is bs'ing.

What do you think folks ?

http://www.carsound.com/ubb/ultimatebb.php?ubb=get_topic;f=1;t=020747