Having jumped on the KSE, and even compared to the IE 800 S, I would say the 846 definitely lack upper (audible) treble. But it's okay. Don't think it makes the earphone anywhere near enough to be written off as crap, like a lot of people do. It's preference. I still have these earphones in my collection for a reason.
The 846s will be in my collection forever with the 535s, because of top-notch fit and comfort. I still think it's a miracle of technology to get the sound of 4 balanced armatures flow through a 3mm bore and is still filled with details. It's designed elegantly. A statement without overflowing with pretentiousness (looking at chifi ciems faceplates with watch gears in the resin... SMH). The iem is small and fits in everybody's ears. Coupled with the small nozzle size and comply tips it might just be the next best thing to custom made. Along the entire series from 215 - 535 - 846. I could hear the same sound signature and its intention - warm and longevity. The details are just there without being in your face. It has the ability to stay in your ears.
My gripe would be... is this where Shure draws the flagship line, becomes comfortable and leaves it that way for years? The 846 should have been branded 636 or something as a slight upgrade to 535- extended bass response. Once you slap that weight of a flag-bearing-commander-vessel, the price tag, and skip counting 6 and 7, the expectations are at an all time high. Thus I like to bash it daily for how disappointing it sounded, especially the low-end and the ample quantity of it in 846. The sub-bass focused tuning just made an example of BA bass and why it's always inferior to DD/planar bass. Flappy attack with extended decay. Bleeds into the mids. It just isn't "clean". Despite 846's ability to sink deep below 60Hz, I find it hard to accept the bass quality. Even wireless iems like Sony xm3 surprised me with the bass.
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