Sennheiser HD 6XX upgrade?

I currently own the Sennheiser HD 58X Jubilee headphones and was wondering if the HD 6XX would be a noticable upgrade or if I should just save up more for a "mid-tier" set of cans. I have them currently running through the Sound BlasterX G5 amp, I know it's not high quality but I got it for $50 on a sale and don't have a very big budget.

Mar 18, 2019
A common trope that I saw elsewhere on the internet before I bought a pair of HD-6XX's, that I have experienced as an HD-6XX owner, is that the 6xx/650 "scales well with equipment." With better and better input devices to drive them with, I have had better and better experiences with my 6XX, more so than with any of my other headsets (my Sennheiser HD1's, Fostex TR-X00's, HiFiMan HE-4XX's, B&W P3 Series II's, and my Audeze LCD-2C's all do not see as much "benefit" from stepping up my input power capabilities as the 6XX has/did). For Christmas my wife got me a 3rd party (Periapt) Balanced XLR connection for my HD-6XX's, which allowed me to use the (much more powerful/capable) balanced XLR output on my Schiit Jotunheim; the end result made the 6XX's a much more complete/overall headset for me, that stacks up very well in pretty much every way with pretty much every other headset I own. Prior to having access to that kind of cable/input, when driving them off the (much less powerful) single-ended connection on the Jot, the 6XX's were my favorite/go-to for Jazz/Accappella/Singer-Songwriter/Female Vocals music, but they were an afterthought for harder rock. I still don't turn to them for hip-hop or electronic, because I own a pair of Audeze's, but in my experience they really do get better and better with better driving capability.
Mar 18, 2019
@ScornedMonk - While i do agree that Elex will be a amazing upgrade, if I were you, I would focus on improving other parts of your setup first. My recommendation would be to put your money towards a good dac/amp. You will get more out of your current and future investments. For the next headphone, my recommendation would be to try something different than what you have. Again, in your shoes, I would buy a HiFiman 4xx or better planars next. If you could spend a little more, Modhouse Argon Mk3 will put in a good place for some time. Just my 2¢ :)
Mar 17, 2019
Agree with previous comment that if you save up until you can grab a set of Focal Elex you're getting a defnite upgrade.
Mar 15, 2019
I say save up. You're getting into a can of worms on HD 6XX. It's a capable headphone, but it comes with baggage. If you want to get what you can out of it, you're likely looking at a new amp too. If you already have an amp that can drive them, you might find that you enjoy them more. It's more of a side-grade than an upgrade, IMO. If you save up until you can grab a set of Focal Elex you're getting a defnite upgrade.
Mar 11, 2019
Look for a sub 200$ Hifiman 400i for somethig different
Mar 11, 2019
If you got the HD58X Jubilee dont bother because the re roughly the same sound signature at the ball park where the HD6XX is a better headphone. However, the 58X is easier to drive and has a warmer sounding meaning its better all rounder where bass region can sound good. Meaning you get neutrality of the HD650 but with bass. In addition to that, if you remove the memory foam inside the driver it will be similar like the 660s closely. Go for 6XX if you are other vocal isolation and upper mids focus of music where bass is the least important. To the point its so good, people rather have both to its own benefits.
Mar 10, 2019
Okay, thank you
I wouldn't say you're getting an upgrade. The HD58X and 6XX have different sound signatures.