Dekoni Audio デコニオーディオ BULLETZ MERCURY イヤーピース 交換用 Mサイズ 3ペア 遮音性 フィット感 ノズル径4.9mm ETZ-MERCURY-MED

Awesome tips. They do require holding them in your ears for 10-15 seconds after you squeeze and insert. Then they work perfectly. I've got them on my Sony WF-1000XM4s and the isolation is better than the originals and the durability is worlds ahead. I bought a 3 pack of different sizes first and then 3x medium pairs so costly in the end but as a distance runner, having a perfect fit and not worrying about sweat, salt, sand or dirt ruining these is worth the cost.

En las imágenes se muestra un set de diferentes tamaños de almohadillas, pero el producto contiene todas las almohadillas del mismo tamaño.

Amazing foam eartips fast shape reform allows these to be easily removed and reinserted

These are fine for what they are but they were a disappointment to me. First, they're too short (ie, not enough length on the foam) so the isolation was only so-so at best. Second, the foam itself is more like a foam mattress than the memory foam some competitors use, that compresses to a thin roll and slowly expands in your ear. These compress and expand basically immediately, you can't compress, insert and wait for them to expand. This made getting these deep into your ear with a good seal even harder. The result is that the IEM was robbed of bass, and the treble was sharpened by comparison, making these sound less pleasant as well. They're not bad, but they're just not good. Comply foam from one of their more isolating sizes will almost certainly be better. These will no doubt last longer, but - does that help when they're less fit for purpose?

I bought the large size Mercury ear tips after watching a YouTube video that was sponsored by DEKONI. The main reason I bought the Mercury ear tips is that the Youtuber Aaron Is Loud and Wireless said they provide better noise cancellation than the Sony WF-1000XM4's stock ear tips. I spent 2 hours testing and comparing the noise isolation of the Mercury Bullet to Sony's default ear tips that come with the WF-1000XM4. Conclusion: The sony ear tips blocks more noise than the Mercury Bullet ear tips. With the Sony ear tips I can barely hear the fish pump that is bubbling water very loudly in my fish tank where as with the Mercury Bullet ear tips I can still hear the water bubbling. The Sony ear tips reduce the loud fish tank bubbling water noise by 98%. The Mercury bullet ear tips reduce the same noise by about 60%. The Mercury Bullet Ear tips also make a constant sticky static like sound when you squeeze the ear tips and let it expand in your ear. The sticky sound will stop when the Mercury Bullet ear tips have fully expanded inside your ears. Audio clarity is also reduced by at least 10% when using the Mercury Bullet ear tips, but that can be fixed by adjusting the EQ with a third party EQ app. In terms of blocking noise the default Sony ear tips that come with the WF-1000XM4 do a better job at blocking noise. I will add that the DOKONI Mercury Bullet ear tips do block considerably more noise than the Comply TrueGrip Pro ear tips (which I also have). I have not found any other ear tip that is able to block as much noise as the Sony ear tips that come with the WF-1000XM4. I will add that I found the DOKONI ear tips 100% better than my Comply TrueGrip Pro ear tips.