KBEAR F1 – Could 1 BA be enough?

Hello everyone!
Don’t wanna spend too many words. Sunny was so kind in sending me these little jewels.

You can buy the KBEAR F1 by clicking on the link at the end of the review!

Just wanna precise that my impressions are subjective and that listening experience can change depending on source, tips and so on.

Test were made on:
– Galaxy S7 Edge Smartphone
– Presonus AudioBOX iONE connected to my PC with no Enhancements actived
– AGPTEK M30B/Benjie S8 DAP
I even connect my Fiio A3 when i need it if i hear some earphones need a little more power.

Technical specs:
Drivers: 1 BA
Sensitivity: 105dB
Impedance: 22 ohm
Frequency Response: 20 Hz – 20000 Hz
Cable lenght: 1.2m (MMCX Connectors)

Plug Type: L-type gold plated 3.5 mm jack

PACKAGING

Packaging consists in a simple carton package that can be opened by sliding just like any other carton package from Chi-fi sellers.
Packet contains IEMs , silicone eartips and a great cable (but we’re gonna speak about it in the proper section of the review).

CABLE

Cable is GREAT. It is a 4-core silver plated copper cable which is really nice in the hands and feels very durable.
Plus, it really doesn’t seem prone to tangling as i’ve used them for some days out of home and even trying to put them in a bad way into my pockets, i’ve never felt annoyed by hard tangling (thing that happens with other headphones though).
MMCX connectors have been chosen for this cable: connection is stable and precise, i have no compliants on the cable and i think it even justifies the higher price tag.

CONSTRUCTION AND INTERNALS

Construction-wise the KBEAR F1 are well made, mostly built with transparent resin with KBEAR logo printed on. You can actually see the single Balanced Armature through the shell which is a plus in design. The shape of the IEM is exclusive and really distinguishes the F1 from all the other IEMs in the market, being almost all of ’em made with the same shells and shapes.

COMFORT AND ISOLATION

Comfort is on top at least for me, but you have to find the right tips. I’ve put the tips included with my JBL T110 and they fit flawlessly.
They create a kind of vacuum effect once you put them in, but it’s something that i got used to after some minutes of listening. Isolation is great as soon as you get a proper sealing with the right tips. The earphones are lightweight and do not fall from the ears once you’ve inserted in the right way.

SOUND

Let’s get into it.
Now the critical factor that decides if something has to be tried or not: how do they sound?
I mainly listen to EDM subgenres, Dupstep, Future Bass, Euphoric Hardstyle, Bass House, Midtempo and downtempo, darkwave, drum’n bass, but i even listen to many vocal tracks, moreover female ones.
I always search for IEMs that have a little bit of emphasis in the lower region, and can sacrifice mids with some recession if they still sound clear and natural. I love vivid and sparkling highs if they’re not at a headache level.
V-shape signature is usually my favourite one but in the last period i’m appreciating a more balanced presentation with less recessed mids, more of a U shape.

Lows: lows are surprisingly good. I mean, do not expect huge low-end slam, sub-bass is here but BA isn’t enough to shake your head with some kind of rumble you’d expect from a DD instead. Bass is fast with great texturing and has good impact. I always prefer DD low end, but i have to say this BA can provide some fun.

Mids: to my ears, mids are there, not recessed and detailed. Male voices are well defined but some more sub-bass would have pushed them to the next level. Female voices have nice presence and intimate feeling. Synths are just near the ears with a forward presentation.

Highs: highs are bright in a good way. I don’t feel them fatiguing but sibilance is a real common issue here. In any case, details are very good and everything is rendered well.

Soundstage is narrower compared to other IEMs i’ve reviewed. It’s wider than deep and height is just average. Instrument separation and imaging are good but complex tracks could trip up the single BA sometimes.

As this is pretty unique in my collection, i do not have something to compare in this price range that could be comparable.

SUMMARY

KBEAR surprised me with the F1. This is my first single BA IEM and i can say this is a good example of good tuning of a single BA.
I have to say.. in this price range, the F1 could have some hard time, there are lots of IEMs which have more drivers and could be more technical when it comes to complex tracks. In any case, the F1 are strongly recommended from my point of view: the unique style, great tuning and superb cable make them a really enjoyable product with some interesting features.

KBEAR F1

8

Sound

8.0/10

Build Quality

8.5/10

Comfort (subjective)

9.0/10

Packaging/Accessories

7.0/10

Price

7.5/10

Pros

  • Clear and crisp response with decent bass for a single BA
  • Superb cable
  • Good build quality
  • Very comfortable
  • Unique design

Cons

  • Bassheads should search for other products
  • Can get congested in complex tracks: 1 BA isn't enough maybe in certain cases
  • High competition at this price point
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