USB Audio problem

[xhuffs]

I have a Kenwood DPX502BT headunit, and when i use USB, it almost sounds like my speakers are blown, but only on some songs and not all the time, the speakers are brand new ALPINE SPE-6000 6.5in coaxial two-ways. The USB cable is torn pretty badly, but not through the signal cables, so it works fine. however, when i use AUX the speakers sound perfectly fine with no issues, is it possible that because the USB cable is torn around the outside and through the metal coating, which i assume is the ground, that it has affected the sound quality? I am using an iPhone 6 with the original iphone cable. I have not tested the headunit with a different cable. any ideas?

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[beatzboi 10+ year member]

Almost Everytime I switch it or someone i see switch from aux to usb this happens. I've chalked it up to the usb being better quality, thus u don't have to crank on the volume near as much

 

[youdoofus]

if the shielding on the usb is damaged, youre likely going to have a problem, byt one would think that it would just not work at att, not introduce such noise as the music isnt music until after the DACs