Dunu SA6 mkII VS Fiio FH19

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

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Dunu SA6 mkII and Fiio FH19 use 6BA and 2DD+6BA driver setups respectively. Dunu SA6 mkII costs $580 while Fiio FH19 costs $599. Fiio FH19 is $19 more expensive. Fiio FH19 holds a clear 0.5-point edge in reviewer scores (7 vs 7.5). Dunu SA6 mkII carries a user score of 7.7. Dunu SA6 mkII has significantly better mids with a 2-point edge, Fiio FH19 has significantly better treble with a 1-point edge and Fiio FH19 has significantly better soundstage with a 1-point edge.

Insights

Metric Dunu SA6 mkII Fiio FH19
Bass 6.7 7.5
Mids 7 5
Treble 7 8
Details 6 7.5
Soundstage 7 8
Imaging 6 7.5
Dynamics 6 6
Tonality 7 6.2
Technicalities 7.1 8
Take these comparisons with a grain of salt—we don't have enough Fiio FH19 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


Fiio FH19 Aggregated Review Score

Average Reviewer Scores

Gizaudio Axel
Jaytiss
Head-Fi.org

Average Reviewer Score:

7.5

Strongly Favorable


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-

Fiio FH19 reviewed by Jaytiss

2025-08-14
Jaytiss 7.8 Reviewer Score
B+ Tuning
A+ Tech
A very pleasing Colorization, but not exactly what I love.
Youtube Video Summary

Build and accessories are a clear win: a sturdy, comfortable, slightly translucent shell with MMCX connectors, a plush 8-wire cable terminating in 4.4 mm, and a premium magnetic case. As a 10-BA set around $1,000, it wears a tasteful black-and-silver faceplate and seals well without pressure issues. There’s a bass switch that nudges mid-bass upward; useful for taste, but not essential.

Sonically it’s a warm-tilted, cohesive presentation: male vocals come through full and rich, female vocals can sound a touch husky, and the mids avoid shout. Treble is clean and pleasant with a bit of 5–6 kHz energy that stays in check; overall clarity is good, though there’s slight hiss and the mid-bass can feel a little loose/flabby rather than tight. Stage and detail are solid, making this arguably one of FiiO’s better efforts, but the value is mixed—graded a strong A4 / S-: recommended if it suits the tonality, yet tough at retail amid fierce competitors; far more compelling on the used market or after a thorough demo.

Mids: C+ Treble: A+ Dynamics: B Soundstage: A+

Jaytiss original ranking

Jaytiss Youtube Channel

Dunu SA6 mkII (more reviews)

Dunu SA6 mkII reviewed by Yifang

Yifang 7.5 Reviewer Score
B+ Tuning
A Tech

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

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

Dunu SA6 mkII reviewed by Fresh Reviews

Fresh Reviews 5* * The score of this reviewer influences only the Gaming Score

Fiio FH19 (more reviews)

Fiio FH19 reviewed by Head-Fi.org

Head-Fi.org 8.3 * score rescaled + normalized
7 community members have rated the FiiO FH19 at an average of 4.6/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

Dunu SA6 mkII User Review Score

Average User Scores

Average User Score:

Based on 1 user reviews

7.7

Strongly Favorable

Fiio FH19 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

Fiio FH19 Gaming Score

Gaming Score & Grade

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

Gaming Score

6.9

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

Fiio FH19 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • The tuning leans easygoing, yet occasional unevenness nudges it away from greatness. A bit of EQ polish can smooth things nicely.

Average Technical Grade

A+
  • It sounds refined and controlled, keeping instruments neatly separated with immersive staging. Busy arrangements remain neatly organized.
Mids C+
Expect a competent midrange that keeps vocals grounded and instruments clear. Tone is acceptable across multiple genres.
Treble A+
Treble reaches superb heights, offering effortless extension and crystal clarity. Every cymbal crash resolves into fine mist.
Dynamics B
The performance feels robust, with satisfying punch and natural transitions. Nuances are easy to follow.
Soundstage A+
It crafts a floating sphere of sound where directional cues shimmer with precision. Layering remains stable even when pushed.
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

Fiio FH19 User Reviews

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