Tanchjim Oxygen VS Kiwi Ears Septet
IEM Comparison: Expert & Community Scores Side-by-Side
Tanchjim Oxygen and Kiwi Ears Septet use 1DD and 1DD+4BA+1Planar+1PZT driver setups respectively. Tanchjim Oxygen costs $270 while Kiwi Ears Septet costs $269. Tanchjim Oxygen is $1 more expensive. Kiwi Ears Septet holds a decisive 1-point edge in reviewer scores (6.3 vs 7.3). Tanchjim Oxygen has significantly better mids with a 1.6-point edge, Tanchjim Oxygen has better treble with a 0.9-point edge and Kiwi Ears Septet has better soundstage with a 0.5-point edge.
Insights
| Metric | Tanchjim Oxygen | Kiwi Ears Septet |
|---|---|---|
| Bass | 5.8 | 7.3 |
| Mids | 6.6 | 5 |
| Treble | 5.9 | 5 |
| Details | 6 | 7.3 |
| Soundstage | 6.5 | 7 |
| Imaging | 6.2 | 7.3 |
| Dynamics | 6 | 6 |
| Tonality | 6.3 | 7.1 |
| Technicalities | 6.3 | 7.2 |
Tanchjim Oxygen Aggregated Review Score
Average Reviewer Scores
Kiwi Ears Septet Aggregated Review Score
Average Reviewer Scores
Tanchjim Oxygen Details
Driver Configuration: 1DD
Tuning Type: V-shape
Brand: TANCHJIM Top TANCHJIM IEMs
Price (Msrp): $270
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Kiwi Ears Septet Details
Driver Configuration: 1DD+4BA+1Planar+1PZT
Tuning Type: Neutral-bright
Brand: Kiwi Ears Top Kiwi Ears IEMs
Price (Msrp): $269
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Tanchjim Oxygen User Review Score
Average User Scores
Average User Score: n/a
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Kiwi Ears Septet User Review Score
Average User Scores
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Tanchjim Oxygen Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.3Gaming Grade
BKiwi Ears Septet Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.1Gaming Grade
A-Tanchjim Oxygen Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B- Generally enjoyable tonal character with some noticeable unevenness. Maintains listenability while showing room for refinement in frequency balance.
Average Technical Grade
B- Satisfactory technical performance. Handles basic detail retrieval adequately in most tracks. Maintains reasonable cohesion in simpler arrangements.
Kiwi Ears Septet Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A-- Pleasing tonal balance with good technical control. Minor quirks present but not distracting. Demonstrates decent genre versatility.
Average Technical Grade
A-- Competent technical presentation. Handles separation and detail well in most tracks, with modest soundstage and acceptable imaging capabilities.
Tanchjim Oxygen Reviews
Reviewed by: Super* Review
8*
* score normalized
Reviewed by: Gizaudio Axel
6.5
Reviewer Score
Reviewed by: Crin
6.5
Reviewer Score
Reviewed by: Shuwa-T
6.4
Reviewer Score
Reviewed by: Precogvision
6.1
Reviewer Score
Precogvision Youtube Channel
Reviewed by: Tim Tuned
5.5
Reviewer Score
Reviewed by: Nymz
4.9
Reviewer Score
Kiwi Ears Septet Reviews
Reviewed by: Jays Audio
7
Reviewer Score
Kiwi Ears Septet lands as an airy, spacious, and distinctly sparkly listen with a clear bright-leaning tilt that avoids harshness. Despite a notable 5–8 kHz lift, the treble comes across refined rather than peaky, while a touch of mid-bass warmth keeps the tonality musical and natural. The result is punchy drums and momentum on rock and acoustic tracks, with technicals that punch above price—layering and separation sit around Dusk/Pilgrim territory. It’s like a more airy, sparklier Meta with less forward vocals and less artificial sheen than ultra-bright sets. The “open-back” faceplate doesn’t audibly change things, but staging still feels wide.
Fit and setup matter: a deep seal smooths treble; tips like Softears Alpha Clear or Tangzu Sancai can tame peaks. The Septet scales nicely on slower tracks up to ~80 dB, but on energetic K-pop/J-pop/hip-hop it can turn hot—hi-hats may sting if the volume creeps. Comfort is solid at mid volume for hours, though sensitive ears may feel fatigue over long sessions, especially in that 5–8 kHz zone. Vocals are set back: clean and inoffensive rather than shouty, but on busy rock they can feel a touch distant. This is a treble-forward, technical presentation; not a mid-centric vocal specialist and not a bass-head set—low end is adequate but softer in impact and pushed slightly to the back.
Versus peers: Astral is the safer all-rounder with more forward vocals and less brightness; Quintet is the vocal-oriented pick, while Septet is smoother, airier, and a bit more micro-detailed. Recent Orchestra Light (unit-dependent) sounds more V-shaped and shouty; Septet takes tuning and technicals. Odyssey wins on immersion, bass texture, and vocal pop at loud volumes, but Septet brings better air, separation, and detail at normal levels. Compared with Lush, Septet is brighter and more resolving; Lush is smoother and one of the best scalers under $300 if you like it loud. For vocals first, look to EPZ P50, Cadenza 4, or Tanjim Origin; for bassier fun under $300, consider DSKO, Estrella, Deuce, or Tros. If a sparkly, airy, technical flavor that stands apart from “Harman-by-default” is appealing, Septet is a worthwhile add to the collection.
Jays Audio Youtube Channel
Reviewed by: Jaytiss
6.8
Reviewer Score
Reviewed by: IEMRanking AI
8
Reviewer Score
The Kiwi Ears Septet delivers a neutral-bright sound signature characterized by clear vocals and a notably forward treble that enhances detail retrieval, particularly in female vocals and acoustic instruments. Its bass response is neutral and controlled, lacking the weight of closed-back designs but offering tight, fast decay. While this tuning excels with well-recorded tracks, it can become fatiguing with bright or poorly mastered material due to its upper-midrange and treble emphasis. The open-back design contributes to an airy presentation, though it reduces isolation significantly.
Technically, the Septet showcases a wide soundstage with precise imaging and strong microdynamics, allowing subtle instrumental textures to shine. Its seven-driver quadbrid configuration (dynamic, balanced armature, planar, and piezoelectric) integrates cohesively through a sophisticated 5-way crossover. However, the low sensitivity (95dB) demands powerful sources to avoid dynamic compression, and the open-back design makes it less suitable for noisy environments despite its comfortable fit.
Tanchjim Oxygen User Reviews
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