Metal rattling noise from inside sealed box

[Drew Martin]

I just installed 2 Sundown Sd4 10s in a sealed box in my 2015 Tacoma but there is a metal rattling sound coming from the sides of the box where the wire connections are. Does anybody have an idea of what is causing this noise? I have 2 videos attached showcasing the noise. But my phone distorts the audio and makes it way louder than it really is in person.

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[SlugButter]

possibly an air leak from the sound on the video.

 

[SlugButter]

Hard to hear it on video

 

[Drew Martin]

possibly an air leak from the sound on the video.

Ahh ok. Sorry, couldn’t get the videos to come out any better.

 

[djdilliodon!]

Sounds like an air leak to me as well

 

[Jimi77 Premium Member]

I third the air leak theory.