A friend of mine has a pair of Superlux HD330. He's planning to get the Evo's since he doesn't like the coiled cable of the HD330s, and he'd also prefer the softer velour pads and superior
Review] Superlux HD681 EVO Headphone Reviews and Discussion
Review] Superlux HD681 EVO, Page 57
HD681-EVO DIY-Audio-Heaven
Superlux Hd681 Evo Upgraded Version Dynamic Semi-open Audio Monitoring Headphone Detachable Audio Cable Hifi Stereo Headset - Earphones & Headphones - AliExpress
Superlux HD 681 Review
Superlux HD-681 EVO Review: Best Headphones Under $50?
Superlux HD681 Review
Superlux HD 681 Review
Review] Superlux HD681 EVO, Page 57
Superlux HMC681EVO is here with small review - Headphones and Headsets - Level1Techs Forums