Had to do it again, since my sub wasn't performing the way I wanted it to. I wish I would've made a ported box

Tempest

Im playing 8 second tones from 33hz to 45hz. The last 8 second tone made some cracking noise, would that be the subs bottoming out?

1999 SE White AVH-P6500DVD Infinity Reference 6500CS Pioneer 5x7s Punch 360a2 Punch 500a2 Adire Tempest in a custom sealed 3.4cuft box Modded Xbox Still need Midnight Cloth Headrests... and if somebody has fold down rear seats....