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CVJ Konoka - Review

The Konoka is a 2023 release from CVJ, originally priced at $20 USD, though they can now be found for slightly less. It features a driver configuration of 1 dynamic driver (DD) + 1 balanced armature (BA, ON/OFF) + 1 vibration driver (VD, ON/OFF). I purchased this model with my own money via AliExpress.

CVJ Konoka Specifications:

  • Driver configuration: 1DD+1BA+1VD
  • Impedance: 28Ω
  • Sensitivity: 112dB (1kHz)
  • Frequency Range: 10-40kHz

In the Box:

  • CVJ Konoka
  • Detachable QDC 0.75mm cable (3.5mm Single-Ended)
  • 3 Pairs of white silicon eartips S/M/L
  • User manual

Why Did I Buy Them?

I was intrigued by the “vibration driver.” Spoiler: disappointing. Additionally, the brand claimed it could deliver different sound modes depending on the activated switches, all tailored for multimedia formats like music, movies, and gaming.

Packaging, Build, and Design

The packaging is noteworthy, arriving in a rectangular box that opens upward. Inside, you’ll find the IEMs along with the cable and S/M/L eartips. While they could have cut costs on accessories, I appreciate the effort to provide an unboxing experience that exceeds expectations for its price range.

The design is attractive, showcasing all the drivers through the transparent housing. The plastic is lightweight yet feels good in hand. The cable is the standard KZ-style, and the eartips are average but comfortable enough.

Comfort

These aren’t the most comfortable IEMs I’ve used. The shape is a bit odd, and the nozzle is relatively short, causing discomfort after extended use.

Switches

The IEMs have two switches on each side: one activates the BA, and the other activates the VD. The DD driver remains always active, resulting in four possible configurations:

  • 00 = DD only
  • 10 = DD + BA
  • 01 = DD + VD
  • 11 = DD + BA + VD

Sound

The following impressions were made using all stock accessories. If you’re curious about my testing setup, you can check it out HERE.

The sound signature feels neutral with slight warmth. The bass isn’t overemphasized but has enough body to support instruments and vocals, which are well-placed. Treble remains natural, though not particularly clean. Activating the switches alters the signature: the BA (10) introduces brightness and detail, while the VD (01) creates a muddier signature. Technically, it performs averagely in the 00 configuration but can feel congested at times.

Enabling the BA enhances detail and resolution but introduces sibilance and an aggressive tone. The VD didn’t seem to vibrate at my normal listening levels; however, at extremely high volumes, placing them on a table with the VD switch activated did reveal some vibration. Activating the BA increases volume, while the VD reduces it, making amplification requirements dependent on the switch configuration.

Let’s Test Some Tracks

The songs I choose might vary, but this section helps you compare your impressions with mine. This way, you can decide how much trust to place in my review, especially if you own any of the IEMs I’ve previously reviewed.

  • After The Storm – Kali Uchis:
    00 is the best configuration; 10 retrieves more detail but feels less cohesive and more prone to sibilance while slightly reducing bass impact. With 01, the bass becomes muddy and boomy, resembling a damaged speaker, resulting in a duller overall sound. The 11 setting is better than 01, thanks to improved contrast between bass and treble, but it’s still not ideal for this track.
  • Fragile – Laufey:
    00 delivers a very enjoyable experience, with everything feeling in place. The female vocals have the right emphasis, remaining clear and lush with enough warmth. The bass is present but doesn’t muddy the track. With 10, it’s similarly enjoyable but slightly less so for me, as sibilance becomes more noticeable and the vocals lose a bit of warmth. The guitar, however, sounds crisper. 01 feels muddy, with diffuse bass. With 11, clarity improves over 01, and while the bass remains diffuse, the overall experience with the treble becomes more enjoyable.
  • Galactic Funk (Live at ABC Hall 1980) – Casiopea:
    With 00, instruments feel balanced, though the sound can become congested during complex sections. Still, it’s enjoyable. With 10, the sound becomes more aggressive, with cymbal splashes and detail standing out more. With 01, the sound is muddy, but surprisingly, I didn’t entirely dislike it. There’s a natural expansiveness that complements the live recording context. In the 11 setting, the sound is cleaner than in 01, and I found it interesting and enjoyable in its own way.

Measurements

1. Frequency Response
This graph helps visualize the sound curve and gives a basic idea of the IEM's sound signature. It also helps spot issues like channel imbalance or damaged drivers, which might affect certain frequency ranges. In this case, the graph shows the different combinations you can make, with a total of four.

Conclusions

The CVJ Konoka is an intriguing model. While the vibration driver was a major letdown, it could still be useful for multimedia content. The switches significantly alter the sound signature, adding versatility to suit personal tastes or needs. For music, the 00 configuration is the best, though I believe 10 (BA activated) offers the most detailed and technical sound. With the right eartips, you can adapt the treble and bass to your preferences, achieving excellent sound quality for its price range.

However, keep in mind that the design can be uncomfortable—not just because of its shape but also due to its relatively large size. Despite these drawbacks, the CVJ Konoka is a solid option in the $20 USD range, and I recommend it!

If you're curious about where they rank on my rating list, you can check it out HERE

I hope you found this review helpful. Thanks a lot for reading this far! If you have any questions or want to share your thoughts, feel free to drop a comment below. Cheers!

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