Well we're movin' on up to the east side. To a deluxe apartment in the sky.

Q: I have a Sennheiser HD600. What do I upgrade to?

A: Until some years ago, the HD600 was the flagship model from Sennheiser. They are a great neutral headphones, and are good for a huge range of music. The problem is, when you have something as versatile as the HD600, do you really need to upgrade your headphones?

Obviously, no. I could argue that if you want a neutral setup, you could be perfectly satisfied for ever with the HD600. But if you have the disposable income and want to expand your headphones collection, I would argue that you need to consider one of 3 options:

1) Save up for a higher tier of headphones - consider the Audeze LCD3 or the HD 800. Both have different profiles, and both offer significant advantages over the HD 600 that makes their high price possibly worth it. But this would make the least sense from a price-performance perspective.

2) Get a headphone that has a very different profile than the HD600 -- something that gives you bass-rich oomph like the Beyerdynamic DT990 or the Philips Fidelio X1, or something that is treble-forward like a Grado. Each has a characteristic sound profile that will offer a very different listening experience for certain types of music that accentuates their tonal features (e.g. try 2pac on DT990 or Steely Dan on a Grado)

3) Get an IEM to complement your HD600s. That's like opening a whole new Pandora's Box.