Originally Posted by rushmore
Usually the impedance from an audio cable is greater than 16 ohms, unless a real thin short cable. There is an apparent issue with the Qualcomm version of the S4 and connections to the 3.5mm jack of less than 16 ohms.
So far, I have no issues with my S4 on the audio jack part. I am currently using the stock S4 earphones and my Sony headphones.