Audio crackling/distortion at lower volumes

Ever since I've had Windows 10 I've had a problem with the sound that has been accentuated with new headphones and while I find discussions about effects, equalization and Windows 10 problems, I cannot find a fix for this particular behavior. The symptom is that the lower sounds are heard suddenly louder, or from a certain low volume, all that is higher becomes dimmer, and the consequence is that between both volume ranges there is an intermediate range in which the machine does whatever it does for this effect and the sound at that point is distorted, like mixed with interference. With relati

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