Hi, do someone tell me which is better between Aliexpressâ and parts expressâ headband?
Which is which?
Aliepressâ one â Headband Head Pad Top Cushion For KOSS Porta Pro PP KSC35 KSC75 KSC55 Headphone Portable Featherweight Version|Earphone Accessories| - AliExpress
parts expressâ one â Parts Express Mini Stereo Lightweight Headphones with 4 ft. Cord
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Aaahh, I see, so, I have the PE one, the newer one I think with the little corners at the top but same plastic parts and itâs great.
The AliExpress one looks just as great. Difference seems to be that the metal slider slides on the inside off the plastic in contrast to the PE one and the shape at the end is round instead of rectangular. So it depends which you like more. Itâs also 4x the price. If the plastic is 4x stronger then it must be better.
Personally I will wait for the new KPH40s and their headband which looks much much better esthetically and maybe even more durable.
In the end all three should be almost exactly the same comfort wise. You bend them to your liking so⊠
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I saw the band of the koss kph40 utility, and looks great. Will the new kph40s has the same? And do you know when they will be available?
KPH40s? I donât think there is one⊠Itâs the KPH40 Utility and itâs new alright. No idea when itâs coming to Europe unfortunately.
Not in any rush myself. 75 drivers on PE headband is all I need. The KPH40 and a new PortaPro Hot, I just WANT. 
Here are my impressions, KSC75 vs KSC35 vs KPH30iâŠ
BASS(general quantity): 30i > 35 > 75
TREBLE(general quality): 75 > 35 > 30i
VOCHLE REALISM: 75 > 35 > 30i
SPATIAL PERFORMANCE: 75 > 35 > 30i
TONALITY: 35 > 75 > 30i
COMFORT: 30i > 75 > 35
LISTENING FATIGUE(least to most): 30i > 35 > 75
35:
Less peaky and bright than 75, but slightly more (minor) sibilance. Cymbals are pretty splashy/shouty/annoying. Decently tight & meaty bass. Terrible fit.
75:
The most bright and detail-oriented treble, but with minor sibilance. Less splashy than 35, but cymbals are still annoying. Bass kind of soft and bloaty. Good clarity, general tonality, and spaciousness. Good fit(for this design, at least).
30i:
The most bassy, most smooth, and least detailed. Significantly less clear, due to the extra bass and/or cut treble. No sibilance noted. Dark/semi-dark tuning. Most efficient driver. Least problematic sounding, but also the most basic sounding.
My recommendation? These are all pretty garbage, honestly - get a Tin T2, ZEX, BLON 03, YBF, ZAS, AS10, ZSN Pro, DQ6, or save up for something even better. If I had to choose one, for some strange reason/purpose, it would be 75, 30i, or yard sale speakers/headphones.
In case anyoneâs looking to get these polyester covered donut pads for the KSC75 (or its relatives): https://www.aliexpress.com/item/1005003116963780.html?spm=a2g0o.order_list.order_list_main.5.3d0818020qYbGi
What I can say after the first few hours is 1. the thickness seems huge to me vs. how little they compress, Iâve had to bend the earhooks way out and I still havenât recovered the original sense of âvanishingly comfortableâ that was their trademark, and 2. they make the sound way more bassy, like I donât need measurements or A/B or anything, itâs just obviously more bassy. Kind of what I wouldâve expected from a âcoin modâ, which shouldnât be too surprising since theyâre pretty much already âcoin modâ shaped.
I got these polyester ones hoping for durability after I saw the originals on my oldest pair absolutely disintegrate as if they had rotted away. Horrible to see and to have to clean up.
After a little more usage of the above donut pads: very uncomfortable in combination with earhooks, they make the bass bloated and the treble (relatively?) muffled, and overall they make the KSC75 unrecognizable. Bad buy, I ultimately canât recommend these to anyone. Sadly I took too long to test them and I couldnât post a review on Ali, but at least I can leave this info here.
@abm0 Best sound imo is original pads if using earhooks. Otherwise my
favorite is to put the KSC 75 on a headband such as Parts Express, etc and
use Yaxi pads for improved comfort, slightly better bass due to a bit of extra clamping, and only a small decrease in mids clarity. Love the soundstage on
these, btw.
Yeah, for sound quality I know, thatâs what Iâll reluctantly have to return to - thin spongy pads -, and Iâll just have to live with the possibility of that rot-like disintegration happening after some years of usage. I guess I could peel that mess off in front of an active vacuum cleaner nozzle next time, Iâm paranoid about those tiny synthetic crumbs getting everywhere and especially into my lungs.
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Ehh, double the price just to ship to EU. 
Iâll be looking closer to home / cheaper to ship, and would really like to find non-originals in the hope that maybe just maybe I can avoid that disintegration style that the originals do.
Got it. Wasnât sure where youâre located. Good luck.
Boom! 37 eurocents a pair, 2.2 EUR shipped (but really itâs less of the shipping per pair because I got 4 pairs + a bunch of PortaPro temple-pads from the same seller), feels more like a regular sponge that I donât expect will rot away, sound is absolutely normal (no bloated bass, no loss of highs) aaand theyâre color-matched for the first time in their lives. 
Can you imagine if they had always looked like this stock, including a grey wire? They mightâve never got as much of a reputation for standing out on your ears and looking super-dorky, who knows.
Next up in mods: since I was shocked to find out the BTR3 has been underpowering them all this time, I need a better portable solution, and since no LDAC receiver-DAC-amp at a comparable price to the BTR3 seems to be able to put at least 100 mW into 32 ohms single-ended (my minimum Iâve estimated for these to get what they need at their 60 ohms), I may just have to replace their plug with a TRRS or pentaconn since thankfully the stock cable is already 4-wire all the way. (Itâs either that or Iâll give up on BT and just get a mini smartphone that fits in my front pocket while Iâm sitting down and I will power these from the HiBy FC3 in high-gain mode. Havenât decided yet.)
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