Glad you didn't consider Beats. There are far more better headphones in the market. If you are looking for bass-centric headphones, Sony XB1000 and J.V.C HA-SZ2000 are the way to go. They are great considering the price. You could also go for Beyerdynamic Custom One Pro it's great if you love customization and design.
Audio-Technica ATH-M50x is definitely the popular one among folks for the price and consistency across the frequency ranges. You can refer some of the reputed sites like HeadFi, SoundMaximum, etc. for some insightful reviews no B.S reviews. I can't advice you on headphones on listening to treble-heavy genres like classicals kinda. I'm not the right guy.