I have a problem with subs not hitting lows.

[EnvoyDenalii]

Okay so here is a video of what the subs would sound like in my car but not as loud, that sound by the hole only happens when low pitch hits http:///youtu.be/6LEbLLzPry0

I couldn't hear anything with that video. Just you moving the video camera around. Get a bigger amp that would be my guess. The internals of that amp u showed looked pretty bare to what im used to seeing out of good base amps. Maybe it's not hitting lows because it doesn't have enough power to do so?

 

[CSA]

The sound is at 20 seconds in. Every time it hits I hear a rattling sound and its only in the low tones under 45. If I can fix these amps that would be much better then to get a bigger amp, I think the sub voice coil might be moving and that might be what I hear at 20 seconds in