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Why Does The Comply Foam Tips Change The Higher FreQ Sounds?

post #1 of 5
Thread Starter 
I liked the way the Complys enhanced the Bass, Fit well, Dont fall out, Very comfortable and soft, and the best isolation.
I dont like the way the Sound changed in the highs. They sound slightly muffled. I pay attention to detail in the Treble areas alot, and the crisp sound disappears with Comply.
I have figured out that the reason is because when you roll the tip to insert, the foam is partially blocking the sound port on the IEM. When you insert them into your ears, the IEM is only left with a small hole for the sound to be transferred to your eardrum. The foam acts like a very good filter for absorption of high freQ's. The sound would not change if they had a plastic/silicone sleeve all the way to the tip of the foam. There is only a sleeve where the bore of the IEM sits inside the foam, but stops short of the very tip by about 4mm.
What I have done to counter-act that is either cut the un-sleeved tip off, and put the Comply tip on the IEM backwards. Or cut the other end of the Comply tip off about 3-3.5mm or just enough so the bore of the IEM is right at the tip of the part that is inserted into the ear.
By doing that I can now hear the Highs as if it were a silicone tip, and they still isolate and fit the same and are just as comfortable.
Im not sure why Comply did not extend the sleeve so there would not be a change in sound, that would then make them perfect. Maybe this will give someone something to try, or maybe someone has a better Idea that has worked to prevent the High freQ damper.
post #2 of 5
i used the grey (on the white pair) sound tube (you sorta rip it out in a way) from the jvc FX34 and put it inside the comply sound tube
Trim if theres too much protruding out and it works well for me
post #3 of 5
I kind of think the opposite. I think Complys always provide a truer, realistic sound. I just think everything blends together better. I want so bad to be able to use silicone tips with my W3 and while they make the treble more crisp, it just doesn't sound right, particularly the midrange sounds quite recessed.

Once the comply is in your ear the exit hole opens back up. You just can't see it ('cause it's in your ear). It's the foam that dappens the highs a bit but the exit hole is actually much smaller with silicone tips which I think sounds worse. At least from my experience.
post #4 of 5
Thread Starter 
I think it has to do with the size of the bore, and whether if it is single or dual-bore designed, and also the tip size. I am doing this mod with the Platinum 'Color' T-500 Small size tips with the IE-40. The IE-40 is dual-bore and its very easy to block the treble port because the sound travels on the outer edge of the canal. Yes the foam expands and the foam does not block the holes completely, but allowing the sound to pass over that small amount foam that is on the other side of the port will absorb a pretty high amount of treble. I dont notice it as much on my Turbines, its probably because it a single-bore, and it does not have that crisp treble that the IE-40 has.
post #5 of 5
since the comply foam is so soft, I usually just put it backward onto the phones directly so the sleeved ends point to my ear, without having to cut the un-sleeved tip off.
I personally don't notice much muffling of the high freq with Comply anyway. It may have something to do with each person's ear canal size - how much it squishes the foam.
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