btw be carefull....there are some tunings with eq1 or eq2 that you cannot use in both cases...depending if its sealed....one port open or ported....once again just saying...you need to be on the right eq.....i am just hoping for you its not an amp issue on the HSU...i am getting it next week probably so..........if it gets to me with a problem i will send it back and get a damn canadian funkywaves!!!!!!..