Shure SRH840A-EFS

This headphone has a really good sound.

But... it is made with a "loose" cable with a mini-jack for headphone socket and a micro-jack for inserting into the headphone itself, and this is miserable to say the least.
You can barely turn your head without the connection in one channel disappearing.
After a few months of use, I took the consequence.
I took the left side apart (where the micro jack is inserted) and soldered a fixed cable on, and it now works flawlessly.

I bought these as an entry level studio headphones. I was hoping for Shure's legendary SM58 type of quality and here's what my impression is.

The sound quality is perfect for my amateur purposes. I use it as a monitor set for playing bass guitar, midi instruments and vocals.

The comfort is great. Good padding on the right places, covers the entire ear and very lightweight construction.

The cable is long enough and is good quality as well. However the 6.35 jack adapter could be better. It's a screw-on sullution and therefore can't really be used on other 3.5mm jacks. Not a big deal but I like universal solutions.

What's my biggest concern about these headphones is the build quality. The body is made of cheap plastic. Only time will tell how long the pivoting joints will last. Unfortunatelly that's the most vulnerable point of all headphones and having broken three already I'm a bit dissapointed to see Shure's product this flimsy.

Overall, good headphones and definitely serves the purpose.

I have owned the previous generation model of the SRH-840 and love them and used them everyday for the last 4 years. I still have them but wanted to try the new model and see if they still match up sound and quality wise. So my review is mostly comparing them to the previous gen so bare that in mind.

NEGATIVES:
The overall feel of the headset is one of corner cutting compared with last gen, plastics feel and look cheaper and they dont look like they will last nearly as long as my old ones have. The earpieces rotate and the hinges seem flimsy and would probably break if they fell onto anything other that carpeted floor. The cable isnt as premium as the old coiled one but is serviceable I suppose. Comfort is not as good as the last gen not terrible but still feels more clampy on the head but maybe more time to wear in will help with that.

POSITIVES:
The sound is pretty much the same as the old gen which was my number one concern and thankfully they didnt cut any corners here from what I can tell. I did some testing with my guitar plugins and amps and some basic music playback and they seem to match up to my old gen ones pretty close. There maybe some subtle differences in the treble ranges but no massive noticeable differences. Thankfully they didnt cut corners here from what I can tell.

CONCLUSION:
If you are thinking of upgrading from the SRH-840's of the last gen and think you will be getting the same quality feel and durability I would say probably dont unless you can get them for a reasonable price i.e <€100.
They sound good so if thats your major concern then dont worry they will serve you well on that front, just dont expect the confort and durability to anywhere near the previous gen.