AudioBox USB, AudioBox Stereo and AudioBox Studio
Music Creation Suite (PS-49 Keyboard, Studio One, Notion, Nimbit, XLR cable, M7 Mic, Headphones and USB 2.0 Hub)
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Hello,
I recently purchased an Audiobox USB 2x2 and i am hearing a repeating buzzing/popping/crackling/ noise. This noise occurs no matter where I have the "playback/mixer" knob set. It occurs when I have the interface powered through my mac's usb port or through an external usb port plugged into a wall outlet. It occurs when I am using the preamps or the line input. It occurs even when I have no instrument or mic connected. The sound can be heard on my recordings. The sounds is louder when I increase gain on the interface. The sound occurs frequently but not continually. If I change the audio output in garageband from the audiobox, to the built-in output of the mac, the sound can still be heard whether through the headphone jack, or built in speakers.
All of this tells me:
It is not a preamp problem
It is not a conversion problem (I can hear it even when I'm not connected to a computer at all)
It is not a headphone problem
It is not a software issue

Please help me!
Thank you!
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by olemeyer on Wed Nov 09, 2016 3:29 pm
I also did have this kind of problem while recording into Studio One. After reading several forum threads, I deleeted the Presonus firewire drivers for my Studio Live mixer. Together with powering my PC from the socket outlet (not from the battery) the problem seems to be solved.
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by craigwood on Tue Nov 22, 2016 7:08 pm
I recently purchased this unit and I am having the same exact problem and can't seem to get rid of this cracking sound no matter what I do.
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by hermanwilliams on Thu Dec 22, 2016 11:40 pm
We found that replacing Unbalanced audio cables with balanced audio cables fixed this for us. Also if you have a cell phone next to unbalanced audio it could cause this interference as well.

A balanced cable, by contrast, has three conductors in the connector and three wires in the cable: two signals wires plus a separate ground wire. As in the unbalanced cable, the ground wire still surrounds the signal wires and is used as a shield against interference.

http://www.aviom.com/blog/balanced-vs-unbalanced/
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by chadsmith2 on Tue Feb 06, 2018 3:38 pm
I was having the exact issue coming through my headphones and ended up realizing that it was my modem to close to the audiobox. I moved the audiobox and all is well.
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by fabrcioschiavo on Tue Aug 06, 2019 2:04 pm
If it helps anyone, I had a similar issue with a very long unbalanced cable. It seems like long unbalanced cables are more susceptible to environment interference. Reference:

https://magroove.com/blog/en-us/balanced-cables/

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