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Etymotic Research ER4S MicroPro Reference Earphones Reviews

luisdent

ER-4S: an incredibly accurate/flat IEM

Posted

Pros: neutrality, quality

Cons: sub bass amplitude

I have searched high and low (literally from $10 to $600) in universal IEMs.  I have settled completely on the ER-4S.  I found very few IEMs that sounded anywhere near flat.  The best three I've found have been the ER-4S (1), the Phonak pfe 112 (2) and the Westone 4R (3).   The PFE 112 and ER-4S are EXTREMELY similar in sound and neutrality except for two slight differences.  The 112 has a bit more neutral bass.  I don't find the ER-4S lacking really, but the 112 is more right on that flat line for bass sound and measurement wise.  However, the 112 has a small spike in the treble somewhere around 10khz I think it was.  This gives things a...
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kiteki

Etymotic ER-4PT -> S

Posted

Pros: Airy and spacious, very nice sounding.

Cons: Feels like an insect, not very intimate.

I'd like to voice my opinion on the Etymotic ER-4PT before I pack it up (trading), I didn't really like the sound very much, but it improved significantly with a 75 ohm adaptor (which turns it into the ER-4S) and brought out it's qualities.   The ER-4S is really much more spacious and impressive, it has fantastically clear highs, I love the decay of shimmering cymbals that just extends upward. Imagine that air on every instrument, piano, vocals, there's a really nice sense of air and decay, it's also fairly accurate.   Detailed, I think lends to this signature, that everything appears rather detailed, however I'd like to counter that and (imho) I think there are...
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