Dunu SA6 mkII VS Hercules Audio Noah

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

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Dunu SA6 mkII and Hercules Audio Noah use 6BA and 3dd BA driver setups respectively. Dunu SA6 mkII costs $580 while Hercules Audio Noah costs $525. Dunu SA6 mkII is $55 more expensive. Hercules Audio Noah holds a decisive 1.9-point edge in reviewer scores (7 vs 8.9). Dunu SA6 mkII carries a user score of 7.7. Hercules Audio Noah has significantly better mids with a 1-point edge, Hercules Audio Noah has significantly better dynamics with a 3-point edge and Hercules Audio Noah has better soundstage with a 0.5-point edge.

Insights

Metric Dunu SA6 mkII Hercules Audio Noah
Bass 6.7 8.9
Mids 7 8
Treble 7 7
Details 6 8.9
Soundstage 7 7.5
Imaging 6 8.9
Dynamics 6 9
Tonality 7 7.9
Technicalities 7.1 7
Take these comparisons with a grain of salt—we don't have enough Hercules Audio Noah reviews saved yet to provide an unbiased result.

Dunu SA6 mkII Aggregated Review Score

Average Reviewer Scores

Fresh Reviews
Nymz Precogvision Super* Review
Yifang Jays Audio Jaytiss Audionotions Tim Tuned
Gizaudio Axel

Average Reviewer Score:

7

Generally Favorable

Hercules Audio Noah Aggregated Review Score

Average Reviewer Scores

Jaytiss

Average Reviewer Score:

8.9

Outstanding

Reviews Comparison

Dunu SA6 mkII reviewed by Jaytiss

Jaytiss 7.3 Reviewer Score
B Tuning
B Tech
Technical, nice but upper mids not for me.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: B Treble: B Dynamics: B Soundstage: A-

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Price: $579

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Hercules Audio Noah reviewed by Jaytiss

2025-10-17
Jaytiss 8.9 Reviewer Score
A Tuning
A- Tech
Clean vocals, just amazing, clean and clear. 5/5 amazing maybe best thing Ive heard.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A+ Treble: A- Dynamics: S Soundstage: A
YouTube video thumbnail

Dunu SA6 mkII (more reviews)

Dunu SA6 mkII reviewed by Gizaudio Axel

Gizaudio Axel 8 Reviewer Score
A+ Tuning
A+ Tech
Similar to the SA6 Ultra but with more bass, airier treble, and improved soundstage and fit. QDC Anole VX tuning, excellent resolution, and great bass with a practical bass switch. Unvented design.

Gizaudio Axel original ranking

Gizaudio Axel Youtube Channel

Dunu SA6 mkII reviewed by Yifang

Yifang 7.5 Reviewer Score
B+ Tuning
A Tech
check links for more info:

Yifang original ranking

Yifang Youtube Channel

Dunu SA6 mkII reviewed by Jays Audio

Jays Audio 7.5 Reviewer Score
A Tuning
A+ Tech
V-shaped SA6 Ultra with more recessed mids and vocals. Sharper and more bass than SA6U but mids are buried in busier tracks.

Jays Audio original ranking

Jays Audio Youtube Channel
YouTube video thumbnail

Dunu SA6 mkII reviewed by Audionotions

Audionotions 7 Reviewer Score
Like the Ultra, but slightly improved in all technicalities categories except for timbre where the Ultra takes the win because upper-mids/lower-treble are too dialed down for my tastes on the MK2. If you don't have Ultra and want one, the MK2 is the closest you'll get.

Audionotions original ranking

Website (Audionotions)

Dunu SA6 mkII reviewed by Tim Tuned

Tim Tuned 7 Reviewer Score
A- Tuning
A+ Tech
Slightly more V-shape than the Ultra with small detail boost Could use a little more upper mids

Tim Tuned original ranking

Tim Tuned Youtube Channel
Bass: A+ Mids: A+ Treble: A+

Dunu SA6 mkII reviewed by Nymz

Nymz 6.7 Reviewer Score
B+ Tuning
B+ Tech
A more refined SA6u, with the freedom to boost the bass even more and costing less. Less natural upper treble at the cost of that terrific extension.

Nymz original ranking

Nymz Website

Bass: B Mids: A- Treble: A- Details: B Imaging: A-

Dunu SA6 mkII reviewed by Precogvision

Precogvision 6.3 Reviewer Score
B+ Tuning
B- Tech
A warmer rendition of the original SA6, best considered a side-grade than a true upgrade.

Precogvision original ranking

Precogvision Youtube Channel
Bass: B Mids: A- Treble: A- Dynamics: B Details: B Imaging: C+

Dunu SA6 mkII reviewed by Super* Review

Super* Review 6* * score rescaled + normalized
check links for more info:

Super* Review original ranking

Super* Review Youtube Channel
YouTube video thumbnail

Dunu SA6 mkII reviewed by Fresh Reviews

Fresh Reviews 5* * The score of this reviewer influences only the Gaming Score
check links for more info:

Fresh Reviews original ranking

Fresh Reviews Youtube Channel
YouTube video thumbnail

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Price: $521.99

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Dunu SA6 mkII User Review Score

Average User Scores

Average User Score:

Based on 1 user reviews

7.7

Strongly Favorable

Hercules Audio Noah User Review Score

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!

Dunu SA6 mkII Gaming Score

Gaming Score & Grade

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

Gaming Score

6.1

Gaming Grade

B

Hercules Audio Noah Gaming Score

Gaming Score & Grade

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

Gaming Score

6.8

Gaming Grade

B+

Dunu SA6 mkII Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • It sounds pleasant overall, with some uneven spots that hint at room for refinement. Vocals remain pleasant despite the imperfections.

Average Technical Grade

A-
  • The presentation feels orderly, balancing workable detail retrieval with acceptable imaging cues. It keeps momentum without smearing transients.
Bass B+
Bass foundation is good, adding satisfying punch without losing control. Pop and rock tracks feel lively.
Mids A-
The mid band shines with organic tone and finely rendered textures. Long sessions remain fatigue-free.
Treble A-
It provides outstanding treble finesse, balancing brightness and control gracefully. It's engaging yet remarkably controlled.
Dynamics B
Dynamic expression is good, delivering solid impact and convincing contrast. Percussion lands with convincing weight.
Soundstage A-
All dimensions bloom together, producing an expansive venue that feels carefully rendered. You can map the ensemble easily.
Details B
Recordings feel well sorted, with supporting details snapping to attention. Small articulations remain intact.
Imaging B
Depth cues step forward, giving performances a dimensional presence. Front-to-back cues become more immersive.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. Bad value-to-cost for gaming purpose - not recommended

Hercules Audio Noah Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A
  • Tuning feels well executed, keeping a natural flow across the spectrum. Switching genres feels seamless.

Average Technical Grade

A-
  • The presentation feels orderly, balancing workable detail retrieval with acceptable imaging cues. It keeps momentum without smearing transients.
Mids A+
It offers a luxurious, resolving midrange that captures micro-detail beautifully. Every vocal inflection is captured.
Treble A-
Highs feel superbly executed, revealing micro-detail without hint of sibilance. Highs stay smooth even at volume.
Dynamics S
This is reference-grade dynamic performance with breathtaking realism. It mirrors live-music intensity perfectly.
Soundstage A
Immersion steps up dramatically as width, depth, and height integrate into a cohesive hologram. Everything sounds naturally spaced.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Bad value-to-cost for gaming purpose - not recommended

Dunu SA6 mkII User Reviews

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wpzdm
7.7

Not very good value as of 2025

Pros
BA Bass at its best?
Cons
Occasionally metallic upper mid. Cable is stiff and has strong microphonics

Hercules Audio Noah User Reviews

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