Hi,
I have 1 GZPW - XQ 5kW Rms in my car in a box that can accomodate 2 with a 8 Inch Air Port.
The guys who put the subwoofer in my car decided to just put it in my trunk facing the door. Now i have tremendous Doorshake as it's firing directly on the door.
If i face the Sub upwards i have a...