Are the Audeze Lcd-x and Oppo Pm-3 the most neutral headphones on the market today?

I need a headphone amp for my oppo pm-3, something preferably neutral. I am considering the fiio k5. Is it any good or does someone have something better to recommend.

Hello fellow head-fi'ers   I'm going to be purchasing the oppo pm-3 headphones along with the sonarworks headphone calibration plugin and the waves nx virtual mix room plugin. I would first like to state that i do own studio monitors, the jbl lsr305s and the matching subwoofer that i have been...

Ok i'm tearing my hair out trying to decide what headphone to get for general listening mixing and mastering purposes. I was going to buy the el-8 open back but the reviews say they are not worth it. I am thinking about buying the he400s but i want something better and preferably something...

I'm saving up to either buy the hifiman he560 or get the 400i as my first planar magnetic headphone. I will be mixing/mastering on these headphones so i need a nice inexpensive amp to drive them.

I'm buying the sennheiser hd700 to use with my fiio x1 and e18, Will the fiio x1 be good enough for the hd700 in terms of sound quality?

I'm looking at getting the HD700 for listening to music indoors and outdoors while also using them to mix music on. Will these cans go good with my fiio x1 e18 combo for musical enjoyment. I listen to a wide variety of music but mostly dubstep orchestral and soundtrack music from movies. I'm not...

Hello,  I am designing  my own high end headphones.  But I just wanted to know how do most developer's make their headphones have a flat frequency  response.  What type of equipment do they use? Is it possible for me to get this equipment to optimize my headphones. 

I need a portable music player for my beyer dt770 pro 250 ohm headphones. I am looking for a neutral player with the power to drive my headphones on the go and give me reference sound quality.

I need help choosing between the Philips Fidelio x1 and Q701 headphones. My budget is 300 so if you can recommend an alternative please do. I've been using my fiio e18 with my tablet playing 320 kbps music with my Samson sr850 and I'm looking to upgrade to more refined headphones. I listen to...