Binary Dynaquattro and Kiwi Ears Septet use 4DD and 1DD+4BA+1Planar+1PZT driver setups respectively. Binary Dynaquattro costs $260 while Kiwi Ears Septet costs $269. Kiwi Ears Septet is $9 more expensive. Binary Dynaquattro holds a slight 0.1-point edge in reviewer scores (7.4 vs 7.3). Binary Dynaquattro has significantly better mids with a 1-point edge, Binary Dynaquattro has significantly better treble with a 1-point edge and Binary Dynaquattro has significantly better dynamics with a 2-point edge.
Insights
Metric | Binary Dynaquattro | Kiwi Ears Septet |
---|---|---|
Mids | 6 | 5 |
Treble | 6 | 5 |
Soundstage | 7 | 7 |
Dynamics | 8 | 6 |
Gaming capabilities | 6.9 | 7.1 |
Binary Dynaquattro Aggregated Review Score
Binary Dynaquattro Average Reviewer Scores
Kiwi Ears Septet Aggregated Review Score
Kiwi Ears Septet Average Reviewer Scores
Binary Dynaquattro Details
Driver Configuration: 4DD
Tuning Type: n/a
Price (Msrp): $260
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Kiwi Ears Septet Details
Driver Configuration: 1DD+4BA+1Planar+1PZT
Tuning Type: Neutral-bright
Price (Msrp): $269
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Binary Dynaquattro User Review Score
Binary Dynaquattro Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Kiwi Ears Septet User Review Score
Kiwi Ears Septet Average User Scores
Average User Score: n/a
Based on 0 user reviews
No user reviews yet. Be the first one who writes a review!
Binary Dynaquattro Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.9Gaming Grade
B+Kiwi 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-Binary Dynaquattro 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
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.
Binary Dynaquattro Reviews
Binary Dynaquattro reviewed by: Z-Reviews
Binary Dynaquattro reviewed by: Jays Audio
Natural vocals, good treble extension, bass is tight and more resolving vs 61t and Davinci. Overall very well balanced and clean. There are some small peaks at 8-10k and 15-20K which can be an issue on some songs, and there is masking around 4-8k region, but overall, solid all-rounder. Jays Audio Youtube Channel
Binary Dynaquattro reviewed by: Jaytiss
It has great tuning, but lack serverly in some areas. Very fun. Jaytiss Youtube Channel
Binary Dynaquattro reviewed by: Gizaudio Axel
Shines when driven properly. Excellent bass, vocal-forward tuning, and natural timbre. Hard to drive, could use more treble extension.Gizaudio Axel original ranking
Gizaudio Axel Youtube Channel
Kiwi Ears Septet Reviews
Kiwi Ears Septet reviewed by: Jays Audio
Bright-leaning with slight warmness - has an unique sparkly/lush, airy, and spacious sound. Great tech for the price, treble is not overly harsh or peaky (at mid volume), pretty smooth with the extra mid-bass balancing out the treble boost. Vocals are pushed back/not fully extended and not as prominent. Mid-volume set, doesn't scale well. Gets spicy with energetic genres past mid-volume. Great for instrumentals, acoustics, indie, classical, etc. Jays Audio Youtube Channel
Kiwi Ears Septet reviewed by: Jaytiss
A unique open back iem. Jaytiss Youtube Channel
Kiwi Ears Septet reviewed by: IEMRanking AI

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.
Binary Dynaquattro User Reviews
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