Theimpedance of headphones range from 8-600 ohms; 32 ohms is a good impedance for smartphones whereas an impedance of over 250 ohms or so will sound a lot better and can be driven by larger, more powerful devices. 2. Beyerdynamic DT 990 PRO Over-Ear Studio Headphones. NFB11 sounds more suitable for gaming so I'm not sure about that. I'm hoping to get an amp/dac combo that will be the "end all, be all" within a sub $350 price range, PURELY for gaming that's not to the point of diminishing returns and pairs well with many headphones. If anyone has experience with an NFB 11 + DT990s that would be a TheBeyerdynamic DT 990 Pro headphones are renowned for their precise sound reproduction and immersive audio performance. Designed for professional studio Gaming, primarily FPS games like CS:GO and PU Battleground, so good imaging is important - Watching movies and TV shows, good bass is particularly important here The Beyerdynamic DT 990 Pro costs 220 USD new, and I can buy the used Beyerdynamic DT 1990 Pro's for about 400 USD (they cost 700 new in my country). If I Anotheroption is the Beyerdynamic TYGR 300 R Gaming Headphones, which look and perform similarly to the DT 990 Pro. The TYGR 300 R is not a gaming headset either, which is why the company has Id say if you listened to your HyperX headphones anywhere above 40% volume on random headphone jacks you probably won't get enough volume out of the 250 ohm DT 990s on a random headphone jack. If listenability of random headphone jacks is important to you I'd suggest going with the 80 ohm version instead, although that also Its a good question. Using Sonarworks SoundID Reference really does minimize the difference between MDR-7506 and DT-990 Pro. I suppose the magic is if someone enjoys the differences between headphones. It's an opportunity to experience the music differently. (Sonarworks arguably takes that away.) Thebiggest thing for gaming is soundstage. The 990s are good in that regard, but there are a lot of options out there. Look up mad lust envy gaming headphone guide for a look at a lot of different sets. If all you do is game and you LimitedEdition: DT 990 PRO 80ohm BLACK The DT 990 PRO BLACK (80ohm) is an open dynamic headphone of exceptional quality suitable for the most demanding professional and audiophile applications. Now more than ever the new Limited Edition 80ohm offers more flexibility when it comes to using your headphones on the go! Being an 80ohm version OutstandingFeatures & Benefits Open over-ear headphones– This feature serves the purposes of analytical listening. It is suitable for a professional sound studio Leuk.