How do I know if I have a broken speaker?

[sdxadmin]

I also have a Gibson, you should keep that forever (def5b1d7-b0ba-4e0e-abae-190492d4df8d)

[sdxadmin]

I also have a Gibson, you should keep that forever (3ad11ba4-9302-4016-ab80-c9e8e08482d2)

[sdxadmin]

I also have a Gibson, you should keep that forever (1c926bb4-7688-4a79-8513-76d685f8e792)

[sdxadmin]

I also have a Gibson, you should keep that forever (2f15634d-f9f8-47be-bc03-c528cfb125df)

[sdxadmin]

I also have a Gibson, you should keep that forever (d821ad25-5f8f-4988-9305-2658d7edf945)