Real owners rate these about evenly: 80% of 127 HiFiMan HE400se owners recommend it, vs 81% of 253 for the Sennheiser HD 600.
Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score
“The treble is still tamed, but the bass doesn't seem to roll off. Punchy and fun.”— @onepieceatatime on YouTube
“they are amazing, the replacement grills smooth out all the peaks and dips”— @ZdraveBass on YouTube
“Hifiman are known to last about two months. It's only a question of time before they fail and customer service is bad from what I saw.”— @westsenkovec on YouTube
“Son una total MARAVILLA y yo en lo personal lo recomiendo AMPLIAMENTE para todo aquel que se diga llamar audiofilo”— @omariscal39 on YouTube
“estos audífonos son excelentes para mezcla en estudio”— @IGNOTOMX on YouTube
“I have the HD600 and I'm just not a fan because of the total lack of anything lower than upper mid bass and also how narrow the cups are which rub my ears raw”— keenbeans87 on Reddit
Real owners rate these about evenly: 80% of 127 HiFiMan HE400se owners recommend it, vs 81% of 253 for the Sennheiser HD 600.
Owners point the HiFiMan HE400se at budget listeners getting into planar magnetic headphones, and users who EQ their headphones for best results.
Owners point the Sennheiser HD 600 at listeners wanting a neutral, balanced reference sound, and people who value long, fatigue-free listening sessions.
The most-cited downside of the HiFiMan HE400se is uncomfortable headband with a pressure hotspot. For the Sennheiser HD 600, it's can sound bright, harsh or shouty in the highs.