It's tough to say what could cause a symptom like this because there are several possibilities. A common cause is the proximity to things like wifi routers, halogen lamps, cordless phones, ect whose interference could cause a crackling sound. If you have an Audioengine product with analog volume pot like the original A5, A2 / A2+, HD3, or N22 - the crackling/popping could be the result of a dirty volume pot! To clean it, Try this - unplug the power cord and interconnects from your active speaker or N22 and turn the volume knob quickly from 0% to 100% 20-30 times. After that, plug it back in and give it a listen. If this shows any noticeable improvement, it can be repeated and should restore the set back to normal after a few cycles. If the issue persists, please let us know and we will be happy to help you out!
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