About a year ago I bought the HiFiMan RE-ZERO IEMs since they came highly recommended here. I loved the sound, but have since really regretted the purchase. The volume in the left earpiece dropped out, and I contacted HiFiMan support. We went back and forth through 21 emails, they sent me 2...

So the first few months of owning my RE-ZEROs were great, but then I noticed sound cutting out slightly in the left earpiece, like it would get quieter than the right. I tried other headphones and they sounded fine, I asked HiFiMan about the issue and they agreed to RMA the IEMs.   However...

I don't know much about techy audio stuff. I just bought an Asus Xonar DG soundcard, and I'm curious about the "Pro-Gaming Mode" headset option. Next to the option it says "for 32~64 ohm headsets." I mainly use Klipsch S4 earbuds which are listed as 18 ohm. I usually use Pro-Gaming Mode as it...