I am using a Creative Sound BlasterX G5 with Sennheiser Game One 50 ohm headphones. These headphones are slightly higher impedance and also open backs so I had to turn up the volume/boost the audio a bit. My MSI motherboard has Realtek audio that just lacks amplification so I could never get the sound where I wanted it - 100% wasn't loud enough. The Creative Sound BlasterX G5 has given me enough volume boost where I can make my ears bleed when I want to with my headphones. I leave the volume at around 75-80%, which is more than enough to amplify background noise and my kids who are also playing nearby. I used them in The Witcher 3 and the app even has a setting specific to the game. The game sounds fantastic. It also works great for live broadcasting and I had no problems with the audio.
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