alright everyone i finally got the chance to hear these with an external sound card with a 1/4 inch adapter.
the sound card was an m audio m box for pro tools for mac.
Pros: build quality, detachable cable, good bass and mid range,
Cons: terrible highs, sibilant, design, cords jutting out the side.
i have had these for 1 month now and i believe a review is in order. i do not believe in burn in as i notice no difference over time, if anything they sound worse over time. so here it goes, first the positives. good mid range and bass. if i can be satisfied with anything on these headphones its the smooth mids and the bass is a perfect amount. built quality is ok, made out of a really good high quality plastic. only reason it gets deducted a point is due to the cables jutting out of the side. i love the detachable cable even though i always keep it connected i enjoy knowing its replaceable.
for musical genres i listen to rock metal punk electronic folk and classical and i will go into more detail as to which sounds best.
lets start with rock, slow rock sounds fantastic, but hard rock sounds veiled.
metal music sounds good depending on the sub genre, harsh vocals sound bad on these while normal vocals are all right. as long as the singer doesn't attempt any high pitched singing. i find thrash metal from the eighties sounds best with these.
punk is also sounding veiled and lifeless.
electronic. these things sound better with with electronic then they do with rock and metal, to the extent it actually makes me want to listen to dreaded electronic beats.
folk, flutes and other wind instruments sound pretty bad IMO.
classical, classical sounds passable on these headphones.
the highs are very harsh so if you hear an instrument or vocalist attempting something high pitched it makes an annoying screeching noise.
vocals are sibilant and it really annoys me.
overall i wouldn't spend the full $200 s a comparison i got to try some audio technica ath m30s today and those are supposedly $60 and they were more bassey but much clearer and sounded better in my opinion.
the shure srh840 definitely benefits from higher end equipment. i find them terrible on a laptops built in sound card or an ipod. but the m audio m box definitely made them better but still wasn't better then the ath m30s on my ipod touch.
i also feel as though the shure srh840 is less muddy then the ath m30s but the ath m30s are not sibilant and overall are much better.
personally i find the audio technica ath m30 for $60 sounds better and is clearer. but that's just my opinion. i will keep these headphones as they are definitely an upgrade from my pioneer sem390 which cost me $79.99. but i do think these may be a little over hyped just like the ath m50 (which if they sound better then the m30s then will definitely be worth the money. the m50s and these are frequently compared.
for those wondering i used to own the shure srh750DJ and they sound practically the same just with much more bass. of the two headphones i prefer these.
the build quality is alright but i am always afraid i will snap the plastic. i feel having a plastic extender to be stupid. the actually headband is solid though.
unlike most people i find these rather comfortable. and not to heavy at all.
im beginning to lose faith in you guys who praise the shure headphones. yes it is true they are ok value and sound alright but they soudn rather average to me. but at least they are better then bose and beats. overall i would give them a 3.5 out of 5
i hope you enjoyed reading my review.
edit: if you have sensitive ears these are trash.
Edited by bcasey25raptor - 3/31/11 at 10:11pm