After purchasing 4x SRX815p & 4x SRX812p, I've noticed the amp module can give off a rather loud buzz at a certain frequency or frequencies. This one give off a pretty nasty buzz at a bit over 200Hz. It's not super audible in front of the box, but it's pretty nasty when you're behind it. It seems JBL should have done a better job with damping the components in the module.

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