Superlux HD-661 Wired without Mic  (Black, On the Ear)

These are definitely an audiophile grade headphones. At first I didn't knew what to expect and when I received them it was extremely sibilant. My ears were hurting listening to female vocals but after some equalization and burn in they opened up and sounded extremely good! The mids are forward and not over shadowed by the base or bright highs. I don't think its a headphone for base head. Base is punchy and clean with a clear presence of sub base. Now the headphone's strong point the Highs!! ...

Very good headphone for under 2.5k, Sound quality is pretty good but not for everyone, because the bass isn't over powering but accurate, midrange is also very good, the headphone is little treble heavy, but the main good things of this headphone are the soundstage which is very good for a closed back headphone & the instrument separation is also very good, but comfort wise it's not the best because the clamping force of this headphone is little high, but it will improve over time
...

Out of the 4 headphones i own, THIS IS THE BEST. The others are Sennheiser HD 206, Audio Technica ATH-AX1is & Audio Technica ATH-S100is.
The sound is extremely detailed with my SD 845 device i.e. Poco F1. But it will improve a lot if a DAC is used, which i will be getting soon. The build quality is quite good. Only matter of concern is the 3.5mm male audio jack coming out of the left can. Though it's very well-built, i fear it might break in future. The headphone however looks easily servicea...