Let me try it later, I have S&S on one of DUNUs.
However I highly suggest buy one of H570 (it only cost $7USD a pair, M and L size recommended)
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Just do the tape mod faster and works the same. I damaged one of my sets with the filter bieng stuffed into the vent .
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I really wish they did a multi pack S/M/L with some saving, otherwise finding the right fit for 14/21 dollars isn’t cheap.
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Same.
I’m using M-size for Butastur but L-size works as well whenever I feel I need more bass
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Sent you PM:)
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My Bustatur just arrived… while I’m on a week-long family trip out of town. Fedex came to deliver it 3 hours after my flight has departed. Sigh, my plan to enjoy Bustatur while in a mountain resort is up in smoke. See you in a week!
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Any reviews floating around of this iem yet?
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One unit more selled:) 
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On Penon thread of Headfi, two of impressions.
On my twitter (X) feeds: https://twitter.com/acho_jpn/status/1689801946671235072?s=46&t=0JEY5S3Hf1wWOxR34LyJdw
Soon there will be more incoming👍
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It’s been out only a couple of days. A review worth reading takes a while to write. I’m on day 2 of listening and just letting the dust settle a bit.
I tried it with VE Defiant desktop amp and it takes to extra power well. No audible noise unlike the highly sensitive SR8.
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My only amp without audible noise for SR8 is Truthear SHIO. I wonder if iBasso DC04 Pro will also perform that well.
I have at least 10 Japanese audiences ordered, there is a thread made by penon on hf as and I see SweetCans928 also posted a very impressive initial toughts and comparison against SR8👍
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Still waiting - guess mine will arrive next week…
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Some initial quick input from Japanese audiophiles (Twitter has auto translation)
https://twitter.com/kiyo_atmark_jp/status/1690353660533051392?s=46&t=0JEY5S3Hf1wWOxR34LyJdw
https://twitter.com/acho_jpn/status/1689801946671235072?s=46&t=0JEY5S3Hf1wWOxR34LyJdw
https://twitter.com/vivi_373/status/1690164867821617152?s=46&t=0JEY5S3Hf1wWOxR34LyJdw
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Ordered my Butastur last Sunday night and it looks like it left Hong Kong today. Should arrive this Wednesday!
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I don’t quite understand how BRAS protects ears from hearing damage.
Does it prevent DBs from going too high?
You have me a little concerned…do mainstream $50 IEMs damage your hearing if listening at a normal volume?
-BRAS prevents resonance and protects against stimulation caused by high frequencies
-BRAS serves to discharge certain frequencies, protecting ears from hearing damage
-BRAS will discharge High sound pressure and effectively protecting ears
-BRAS will ensure long term wearing comfort without pressure-build up
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I think BRAS only prevents against ear pressure build up which maybe damage your hears over long periods of time? I haven’t seen any studies on that but I have had IEMs that have pretty bad pressure buildup and I gotta imagine it can’t be good for my general ear health.
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Can you give the links to Penon Butastur thread and the SR8 comparison please?