KeepHiFi KBear KB02 | Bone Conduction & Dynamic Driver Hybrid IEM
Jan 10, 2025 at 1:29 AM Thread Starter Post #1 of 8

KEEPHIFI

Sponsor: KeepHiFi
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Open for review now.

KB02 is our newest product for KBear​

It features bone conduction and Beryllium-plated diaphragm dynamic driver.​

KB01-1

The cover is polished and sprayed with oil by hand to give it a translucent and delicate texture.​

KB02-2


Compared with KB01, the position of KB02 is adjusted closer to the nozzle, which significantly reduces the interference of standing waves on the sound and makes the high frequencies clearer.

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This unit is embedded in the cavity, greatly enhancing the sound texture through the efficient conduction of vibration energy. As a low and ultra-low frequency compensation unit, it can make the bass fuller, creating a wider soundstage experience and enriching the layers and details of the sound.​

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The Kb02's bone conduction unit has an excellent soundstage width, which creates a deep sense of space. At the same time, it gives the sound a strong and realistic sense of atmosphere, allowing people to immerse themselves in the music.​

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Any friendly, rational discussion is welcome!​


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KeepHiFi Spend Less Enjoy More Stay updated on KeepHiFi at their sponsor profile on Head-Fi.
 
https://www.facebook.com/keephifinewofficial https://x.com/KeepHifiStore https://www.instagram.com/keephifi/ https://https://keephifi.com/ https://discord.com/invite/cwGBRxgkkn https://www.youtube.com/@keephifiofficial evelyn@keephifi.com
Jan 11, 2025 at 5:11 PM Post #4 of 8
I got them just before Christmas ? The stock tuning is taking alot for me to get used to so been waiting for someone to measure them so I can try some different ones.

Can confirm there's impact, certainly seems more advanced than the ones in the Plutus beast and not as much passive sibilance (they ding when you touch em) as the konoka.

Will say I had a pair that cost around £60/£70 in my cart that had the exact spec as these in a smoked black shell on Ali for a few months ? That one disappeared and then the kb02 appeared. Make of that what you will, think I'm probably just spending a bit too much time trawling for headphones.
 
Jan 13, 2025 at 2:44 AM Post #6 of 8
$40 for a bone conduction driver? I’ve never seen it so cheap. Hopefully this will encourage $5000+ iems to bring their dumb prices down.
Yes, the KB02 applied a normal dynamic driver unit and a shrapnel bone conduction unit. It's actually quite good at this $39 price point.
 
KeepHiFi Spend Less Enjoy More Stay updated on KeepHiFi at their sponsor profile on Head-Fi.
 
https://www.facebook.com/keephifinewofficial https://x.com/KeepHifiStore https://www.instagram.com/keephifi/ https://https://keephifi.com/ https://discord.com/invite/cwGBRxgkkn https://www.youtube.com/@keephifiofficial evelyn@keephifi.com
Jan 13, 2025 at 2:50 AM Post #7 of 8
I got them just before Christmas ? The stock tuning is taking alot for me to get used to so been waiting for someone to measure them so I can try some different ones.

Can confirm there's impact, certainly seems more advanced than the ones in the Plutus beast and not as much passive sibilance (they ding when you touch em) as the konoka.

Will say I had a pair that cost around £60/£70 in my cart that had the exact spec as these in a smoked black shell on Ali for a few months ? That one disappeared and then the kb02 appeared. Make of that what you will, think I'm probably just spending a bit too much time trawling for headphones.
Yes, it is very lucky to find headphones that suit you. For those who pursue the ultimate in sound, we do have to spend a long time searching and screening before finding our favorite sound style. This may be worth it.
 
KeepHiFi Spend Less Enjoy More Stay updated on KeepHiFi at their sponsor profile on Head-Fi.
 
https://www.facebook.com/keephifinewofficial https://x.com/KeepHifiStore https://www.instagram.com/keephifi/ https://https://keephifi.com/ https://discord.com/invite/cwGBRxgkkn https://www.youtube.com/@keephifiofficial evelyn@keephifi.com

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