KZ Zenith VS KBEAR 03

IEM Comparison: Expert & Community Scores Side-by-Side

Home Ranking Compare IEMs

KZ Zenith and KBEAR 03 use 1DD and 1DD+1BA+1BC driver setups respectively. KZ Zenith costs $60 while KBEAR 03 costs $69. KBEAR 03 is $9 more expensive. KZ Zenith holds a decisive 2.2-point edge in reviewer scores (6.8 vs 4.6). KZ Zenith has better mids with a 0.6-point edge, KBEAR 03 has better treble with a 0.7-point edge and KZ Zenith has better dynamics with a 0.9-point edge.

Insights

Metric KZ Zenith KBEAR 03
Bass 6.8 6.3
Mids 6 5.4
Treble 5 5.7
Details 6.8 7
Soundstage 5 4.8
Imaging 6.8 7.1
Dynamics 5 4.1
Tonality 6.9 4.6
Technicalities 6 4.9
Take these comparisons with a grain of salt—we don't have enough KZ Zenith and KBEAR 03 reviews saved yet to provide an unbiased result.

KZ Zenith Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

6.8

Cautiously Favorable


KBEAR 03 Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

4.6

Generally Unfavorable


Reviews Comparison

KBEAR 03 reviewed by Jaytiss

Jaytiss 3.3 Reviewer Score
D Tuning
C+ Tech
Bone conductor driver ruins a nice FR

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: C- Treble: C+ Dynamics: E- Soundstage: D

KZ Zenith (more reviews)

KZ Zenith reviewed by Kois Archive

Kois Archive 7.4 Reviewer Score
S- Tuning
A- Tech
Rating: A- | Value: ⭐⭐⭐ | Comfort: 9 the best from KZ driver quality not the best

Kois Archive original ranking

Kois Archive Youtube Channel

KZ Zenith reviewed by Head-Fi.org

Head-Fi.org 7 * score rescaled + normalized
5 community members have rated the KZ Zenith at an average of 4.4/5 on Head-Fi. Overall sentiment: Excellent.

URL to full Review

Head-Fi.org original ranking

KBEAR 03 (more reviews)

KBEAR 03 reviewed by Paul Wasabii

Paul Wasabii 4.8 * Score computed by IEMRanking.com
C Tuning
C Tech
Adds a budget BA to the KB02 concept but loses the fun as bone-conduction artifacts and edgy treble creep in. The $69 price hike dulls the value. Affordable way to experiment with dynamic driver, bone conduction and a BA. Loses the KB02’s fun while adding bone-conduction artifacts and edgy upper treble; poor value at $69.
Youtube Video Summary

KBEAR KB03 takes the KB02 recipe — dynamic driver plus bone conduction — and bolts on a budget balanced armature. The result is not an upgrade. The added BA pushes more upper treble while the altered bone conduction response becomes far more noticeable, bringing artifacts that skew tonality and pull the presentation away from natural. The playful, easygoing character that made KB02 popular is largely gone.

On tracks that hit both the BA’s top end and the BC region, the mix turns weird: cymbals take on a plasticky edge, midrange coherency wavers, and the overall tuning feels less enjoyable. At $69 (vs $39.99 for KB02), the value proposition slips; this crosses from ‘try it for fun’ into ‘it must sound right,’ and it does not. Those simply curious about BC experiments may still find it interesting, but expectations should be tempered.

Bass: C+ Mids: C Treble: C

Paul Wasabii original ranking

Paul Wasabii Youtube Channel

KBEAR 03 reviewed by Web Search

uses AI-Search to turn user, reddit and head-fi reviews into clear, concise summaries.
Web Search 5.7 Reviewer Score
B Tuning
C+ Tech

The KBEAR KB03 (Alkaid) is a budget tri-hybrid IEM using 1DD + 1BA + 1 bone-conduction driver, positioned around $55–69 depending on retailer; this configuration is unusual at the price and defines its core proposition . Tonally, available measurements and listening reports describe a mild V-shaped balance: elevated bass/treble with a modestly set-back midrange, aiming for broad appeal without sharp peaks . In practice this yields punchy low end and a clean, slightly lively top, while male vocals can sit a touch behind dense mixes—consistent with the tuning profile .

Technical performance is competitive for the bracket: imaging is orderly and separation is adequate, while the soundstage skews average in width and depth for an in-ear at this price (neither claustrophobic nor expansive) . It is also easy to drive—published figures around low impedance and moderate sensitivity translate to confident output from phones and dongles, with dynamics that are decent but not class-leading . Overall, the KB03 offers a value-centric package with a safe, energetic tilt and solid everyday technicalities, provided one accepts a conventional stage size and the V-shaped midrange set-back .


Bass: A Mids: A- Treble: A Dynamics: A- Soundstage: B+ Details: A- Imaging: A-

KZ Zenith User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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KBEAR 03 User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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KZ Zenith Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

6.3

Gaming Grade

B

KBEAR 03 Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

4.8

Gaming Grade

C

KZ Zenith Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B+
  • Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

B
  • Technical ability is serviceable, keeping basic detail intact across simpler tracks. It keeps up with acoustic tracks without much fuss.
Mids B
It offers engaging mid frequencies with pleasing clarity and layering. Details emerge without becoming harsh.
Treble C+
Treble is decent, offering acceptable extension without harshness. It balances presence with a touch of restraint.
Dynamics C+
Expect solid impact overall, even if finer gradations feel a touch smoothed. Micro-details could still be sharper.
Soundstage C+
You start to perceive distinct rows of players even if the ceiling still feels low. Layering is present but still modest.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues.

KBEAR 03 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

C
  • Expect a patchy tonal profile that makes instrumentation feel mismatched. EQ is almost mandatory to tame the response.

Average Technical Grade

C
  • Details smear quickly, leaving the presentation cramped and low on definition. You'll notice smearing on even moderately layered songs.
Bass B
You get a lively bass response that balances energy with discipline. It balances punch with respectable control.
Mids C+
The region sounds agreeable overall, delivering clarity without flashiness. Slight warmth keeps things easy-going.
Treble B-
Treble feels agreeable overall, bringing sparkle without significant fatigue. You get a polite sense of air.
Dynamics C-
It maintains a steady dynamic profile that neither offends nor inspires. Swells arrive but lack drama.
Soundstage C
Stereo spread is acceptable, yet the image resembles a stage set without depth behind the curtain. Depth feels more like a gentle slope.
Details A-
Resolution feels both high and relaxed, capturing nuance with ease. There's zero smearing even at high volume.
Imaging A-
You can literally point to where sounds originate across the stage. You can point to where sounds originate.
Gaming C
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical.

KZ Zenith User Reviews

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KBEAR 03 User Reviews

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