HD681

Hi! I've had them for two weeks. The noise cancellation is good, subtle but good. Their only weakness is wind, which makes them useless outdoors. In windless conditions, they're effective, and I never experienced any popping or misinterpretation of external noise. The audio quality via USB (I only t

Tenho um Superlux HD-681 AIR que coloquei papel higiênico entre a espuma e os drivers pra reduzir um pouco do agudo, seguindo um tutorial que achei na net. O som ficou consideravelmente mais equilibrado e agradável. Link para as medições de frequência antes e depois do papel higiênico.

m20x tem que ter correção via software, eu uso o SoundID Reference da sonarworks que tem as curvas dos fones pros que usam crackeado, e é bem intuitivo, e junto tenho o superlux hd681 que é fone aberto, também no software da sonarworks fica bom demais, bem melhor que original, pois ambos originais s

Thank you very much for this extensive and utterly helpful response of yours. Im actively looking into many of the things you said. What matters to me the most right now is that I indeed prefer the Harman Target. Or at least it doesn't bother me, given that I'm listening to an accurate enough replic

if a cheap "garbage headphone" can achieve such almost "perfect" frequency response with minimal harmonic distortion what are the reasons it's worth to upgrade to more expensive headphones The 681 has quite high THD in the upper mids, though.https://diyaudioheaven.wordpress.com/headphones/measuremen