Nightjar Duality VS Eminent Ears Ruby
IEM Comparison: Expert & Community Scores Side-by-Side
Nightjar Duality and Eminent Ears Ruby use 2DD and 1DD+4BA+4EST driver setups respectively. Nightjar Duality costs $3,000 while Eminent Ears Ruby costs $2,300. Nightjar Duality is $700 more expensive. Nightjar Duality holds a clear 0.7-point edge in reviewer scores (8.1 vs 7.4). Nightjar Duality has significantly better bass with a 1-point edge, Nightjar Duality has better mids with a 0.8-point edge, Eminent Ears Ruby has better treble with a 0.7-point edge, Nightjar Duality has significantly better dynamics with a 3-point edge, Nightjar Duality has significantly better soundstage with a 2.5-point edge, Nightjar Duality has better details with a 0.5-point edge and Nightjar Duality has slightly better imaging with a 0.3-point edge.
Insights
| Metric | Nightjar Duality | Eminent Ears Ruby |
|---|---|---|
| Bass | 9 | 8 |
| Mids | 7.3 | 6.5 |
| Treble | 7.3 | 8 |
| Details | 8 | 7.5 |
| Soundstage | 7.5 | 5 |
| Imaging | 7.8 | 7.5 |
| Dynamics | 9.3 | 6.3 |
| Tonality | 8.1 | 6.8 |
| Technicalities | 7.5 | 7.8 |
Nightjar Duality Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.1Very Positive
Eminent Ears Ruby Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.4Generally Favorable
Reviews Comparison
Nightjar Duality reviewed by Jaytiss
8.5
Reviewer Score
Youtube Video Summary
Nightjar Duality presents as a $3,000 dual-dynamic IEM with a focus on premium build and ergonomics: a bespoke shell that seats comfortably, a recessed 2-pin, and user-tunable hardware via onboard switches and an included impedance adapter that can push bass even further. Packaging includes multiple thin, lightweight cables and even a powered dongle option. The craftsmanship feels boutique, and the faceplate aesthetic underscores its luxury positioning.
Tonally, this is a bass-forward set with two personalities: a “normal bass” configuration that retains balance and a “crazy bass” mode that becomes emphatically sub-heavy. Treble carries air and decent detail without chasing a hyper-analytical edge; mids are serviceable but a touch off, responding well to a bit of EQ. Overall dynamics hit hard, staging and clarity remain clean enough for the tuning goal, and the tuning reads as an enjoyable, romantic DD presentation—just not the final word in microdetail at this price.
In context, alternatives frame the value conversation: Grand Maestro is cited for stronger detail/air and driver refinement (though Duality fits better), while options like the Origin, Zen Magrid T Pro (~$500), Effect Audio Quantum, and even the budget Aether planar show that similar or complementary traits exist at lower brackets. Compared with sets such as Scarlet Mini or Maestro Mini, Duality’s bass shelf and presence balance feel more considered. Verdict: a unique, fun bass-head flagship with excellent design and ergonomics; the price is the hurdle, so demoing at events like CanJam is strongly advised before committing.
Jaytiss Youtube Channel
Eminent Ears Ruby reviewed by Jaytiss
2025-09-03
6.5
Reviewer Score
Nightjar Duality reviewed by Smirk Audio
8.3
Reviewer Score
Eminent Ears Ruby reviewed by Smirk Audio
2025-08-19
7.7
Reviewer Score
Nightjar Duality reviewed by Head-Fi.org
7.5
* score rescaled + normalized
Eminent Ears Ruby reviewed by Head-Fi.org
8
* score rescaled + normalized
Nightjar Duality (more reviews)
Nightjar Duality reviewed by Yifang
8.5
Reviewer Score
Nightjar Duality reviewed by Shuwa-T
7.8
Reviewer Score
Nightjar Duality Details
Driver Configuration: 2DD
Tuning Type: Basshead
Price (Msrp): $3,000
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Eminent Ears Ruby Details
Driver Configuration: 1DD+4BA+4EST
Tuning Type: V-Shaped
Price (Msrp): $2,300
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Nightjar Duality User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Eminent Ears Ruby User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Nightjar Duality Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.2Gaming Grade
BEminent Ears Ruby Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6Gaming Grade
BNightjar Duality Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- The tonal balance is polished and expressive, highlighting emotion without sacrificing accuracy. It keeps emotional weight without sacrificing accuracy.
Average Technical Grade
A- It delivers a confident technical showing with defined layers and satisfying clarity. You can follow backing vocals with relative ease.
Eminent Ears Ruby Scorings
Average Technical & Tuning Grades
Average Tunign Grade
B+- Tonality is generally agreeable, though a few bumps remind you of its limits. Certain tracks spotlight its tonal quirks.
Average Technical Grade
A- Overall technical control is strong, presenting instruments with clarity and sensible staging. Textures are portrayed with satisfying clarity.
Nightjar Duality User Reviews
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