Chosen Solution

I purchased a JBL Charge 3 off of a friend for $30 and I later noticed that when there low notes coming out, I could hear slight crackling. It only happens when low notes are playing and from bluetooth and aux input. -edit: The noise is very directional. I can only hear it within about 45° of the front.

See here: https://www.youtube.com/watch?v=uv3LVFUu… Cheers, TQ

If your JBL speaker produces distorted sound, see the JBL Charge 3 Sounds Distorted problem page for possible problems and solutions.