How do I know if I have a broken speaker?

[sdxadmin]

I also have a Gibson, you should keep that forever (9df8206c-ee45-41dc-a56d-836872c06cb6)

[sdxtest]

I (sdxtest) will. (7d969d27-5dab-4776-9cf2-2a31268ac6d8)

[sdxadmin]

I also have a Gibson, you should keep that forever (64ec2f91-1f22-4c10-9fe8-bb1e63844660)

[sdxtest]

I (sdxtest) will. (1fcf2d34-a0ef-4c4a-ad71-0a0b16a1d33f)

[sdxadmin]

I also have a Gibson, you should keep that forever (ebcaefdb-468d-4ece-85ce-73467a0b8c4e)