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EMI is killing my dongle dac help

Sound_lessmind

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Sep 26, 2025
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Hello! New here, been an audiophile for "not so long" and I've tested a couple of things. But i literally created this account to ask for help, a couple of days ago i bought from a friend of mine an E1DA #9038S gen2 and i loved it! Clean, super detailed and made me think it was my absolute best buy, BUT I've already had problems with emi, like.... Severe problems, when my signal goes through any change, it either does the funny old modem sounds, or just does white noise at a volume it has made my ears ring, my friend didn't had that problem, and i so far experience this with my Google Pixel 8a, all actualizated (sorry, my english is trash)
 
Hello, welcome to ASR. We try our best to answer questions. If you have ears, you are an audiophile.

I'm going to guess the device is defective.

EMI would be problems in a certain geographic place or the same room repeatably. Or it could be a loose USB-C connection, in your phone or the cable. If you look around you may find an engineer from E1DA on ASR. The product was measured by our principal at https://www.audiosciencereview.com/...ents-of-e1da-9038s-bal-portable-dac-amp.8424/.

Maybe the person who sold it sold it for a reason, then was untruthful about its history?
 
I went to the E1DA discord and the E1DA user (idk if it's like the guy that Made E1DA or what ^^") told me to put sticky tape to grip the usb to the dac, i put shrink wrap and i think it works? That "shouting" white noise has only happened to me when comuting, and the guy that sold it to me is a pal from an audiogroup, I've been keeping him informed, as well as the guy that first sold it on the group (he's the admin and seems he got it from E1DA as a review i think)
 
The Discord may be a source with more specific experience with the product than ASR. Maybe the electrical engineer who designed it is on the Discord. There are right angle 90 degree USB connectors and cables which can be more easily secured against vibration. Hope it works out.
 
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