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If you still love Etymotic ER4, this is the thread for you...

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  1. florence
    My ER2XR has arrived lately. Here is my first thoughts with the tri-flange tips which come attached to iems out of the box:

    Can't reach TOTL iems level by any means and it's totally normal considering the price tag. Resolution is worse than ER4XR, upper treble rolled off and not enough extension, female vocals is ok, male vocals need to be more clear, good amount of subbass quantity but can't say the same for its control, bloated frankly.

    After this initial impressions I was seriously considering returning them. Because I liked ER4XR with tri-flange tips rather than foams. How could be different with these? Well, that's a mistake for dynamic drivers, at least for this one apparently.

    I've been listening to it with foam tips for 3 hours without any fatigue. Foams comparing to stock tri-flanged tips, more dynamism in midrange, no more bloated sub to mid area, midbass quantity meets the quality finally, definitely more clear upper mids and timbre is one of the best you can hear from a dynamic driver iem. A change of tips then viola! Completely different experience for me. At this price tag, ER2XR "with foam tips" is a no brainer. Just my .02 cents.
     
    Last edited: Oct 18, 2019
  2. smokecrack
    not sure if anyone is aware but the klipsch oval silicone tips are perfect on the ER4XR. insanely comfortable and seals really well

    no mods needed. they just slip on
     
    episiarch and RobinFood like this.
  3. FloofyBuffalo
    How do feel they compare to the ER4XR after you put the foam tips on?
     
  4. florence
    After I put the foam tips on ER2XR comparing to ER4XR, mids sound slightly distant from your head which is a good thing since ER4XR is too close in this regard. Also, there is more depth on ER2XR comparing to ER4XR. So all in all I prefer ER2XR with foam tips to ER4XR even the latter has still better treble extension (still do not expect totl iem treble extension from that if you don't have one). Everything else is more fun, especially guitar riffs and male vocals on ER2XR.
     
    FloofyBuffalo likes this.
  5. G_T_J
    What foam tips have you used? I'm thinking of buying a few Shure Olives?
     
  6. florence
    Stock foam tips.
     
    G_T_J likes this.
  7. Dealux
    The stock foams are good if you like forward midrange. Keeps everything about the same level but it makes the ER4 sound a lot more detailed than on stock tuning (triple flange).
     
  8. Degru
    Can anyone confirm that real stock ER4S and ER4B earpieces are the same, and it's only the electrical tuning in the cable? I was recently told otherwise, that er4b is damped differently, and I can't find any information to confirm or deny.
     
  9. castleofargh Contributor
    er4p and er4s are the same IEM with a different cable, one of them changing the impedance. er4(p or s) and er4b are not the same! because the B has some little components inside the shell itself to mainly high pass the electrical signal. so you could make a B out of an er4p with the right stuff inside a cable, but you won't turn a B into a S or P.
    edit: seems it's also in the cable for the B and I've been wrong about this for about a decade.
     
    Last edited: Oct 21, 2019
  10. Degru
    Oh, so the high pass filter is inside the actual earpiece? That makes sense I guess. BA driver itself is still identical?
     
    Last edited: Oct 20, 2019
  11. JohnYang1997
    All er4p er4s er4b have same driver, same earpiece. Only difference are the impedance network in the cable. er4p being around 18ohm resistor, er4s around 92ohm resistor and er4b has a parallel high pass path 0.22uF + 100ohm.

    New generation er4sr er4xr er3se er3xr all have resistors built in the housing behind the driver. Cable are no longer different.
     
  12. Degru
    Hm. This is what I assumed originally, but I'm getting some different answers here overall. Would be helpful if someone who actually owns both stock S and stock B could confirm or try swapping cables.
     
  13. JohnYang1997
    I have friends cracked them all open before. And I have owned er4p er4b and swap the drivers. I'm 100% confident about the configuration. But I'm not 100% sure about the resistor values. They are roughly at those values.
     
  14. Degru
    As far as I know the S is 100 ohm. 17.5/18 ohm for P seeing how my P to S adapter is 82.5 ohms.
     
  15. ClieOS Contributor
    Those drivers are the same. It has been comfirmed many times in the forum, by both forum members who own all of them as well as EtyDave himself (who helps to design them all those years ago).

    4P with P-to-S adapter actually does not always add up to the exact same impedance as one piece 4S. It doesn't actually matter that much because once you pass certain impedance, they all measured (and sound) fairly close to identical as long as the difference isn't a big number. That means 100ohm ER4 will be almost the same as, said 120ohm ER4 under measurement. So a few ohm of difference here and there isn't going to be a big problem.
     
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