Fir Audio RN6 VS 7th Acoustics Asteria

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

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Fir Audio RN6 and 7th Acoustics Asteria use 1EST+1DD BA and 1DD+12BA driver setups respectively. Fir Audio RN6 costs $3,300 while 7th Acoustics Asteria costs $3,800. 7th Acoustics Asteria is $500 more expensive. 7th Acoustics Asteria holds a decisive 1.4-point edge in reviewer scores (7.4 vs 8.8). 7th Acoustics Asteria has better bass with a 0.8-point edge, 7th Acoustics Asteria has significantly better mids with a 2.7-point edge, 7th Acoustics Asteria has significantly better treble with a 1.6-point edge, 7th Acoustics Asteria has significantly better details with a 2.6-point edge and 7th Acoustics Asteria has significantly better imaging with a 2.6-point edge.

Insights

Metric Fir Audio RN6 7th Acoustics Asteria
Bass 8 8.8
Mids 6.5 9.2
Treble 7 8.6
Details 6 8.6
Soundstage 7.4 9
Imaging 6 8.6
Dynamics 7.4 8.5
Tonality 7.2 8.9
Technicalities 7 8.4
Take these comparisons with a grain of salt—we don't have enough Fir Audio RN6 and 7th Acoustics Asteria reviews saved yet to provide an unbiased result.

Fir Audio RN6 Aggregated Review Score

Average Reviewer Scores

Nymz
Bad Guy Good Audio

Average Reviewer Score:

7.4

Generally Favorable


7th Acoustics Asteria Aggregated Review Score

Average Reviewer Scores

Precogvision Web Search
Bad Guy Good Audio

Average Reviewer Score:

8.8

Excellent


Reviews Comparison

Fir Audio RN6 reviewed by Bad Guy Good Audio

Bad Guy Good Audio 8.5 Reviewer Score
A+ Tuning
A+ Tech
Bass texture and timbre is best in IEM game, overall excellent Filters are too small cable qc is not matching price
Youtube Video Summary

Fir Audio RN6 brings a six-driver recipe and a limited-edition flair to the tour, dressed in satin black aluminum with a sapphire-glass faceplate and that signature grill exposing the Kinetic Bass dynamic. The stock cable behaves like a less-stiff Code 23, build feels solid and low-profile, and comfort clicks once the right tips are locked in. Priced at an eye-watering $3,300 and capped at 300 units, the RN6 aims squarely at “Stratos-Fi” territory.

On tuning, the RN6 plays it balanced: bass has punch and some rumble but is the tamest of its siblings, not delivering the full “feel-it” effect promised by Kinetic Bass—especially versus NE4 and the poster-child XE6. The midrange is clean with a touch of warmth, pushing vocals center stage while keeping instruments neatly spaced with plenty of air. Treble is energetic, sparkly, and crisp, lifting detail and openness, but may bite for treble-sensitive listeners given the lighter low-end masking. Technical chops are where it shines—imaging, layering, and a spherical sense of stage width/depth make parts easy to pinpoint without turning clinical; it’s revealing yet still musical. Versus Neon 4, this is the more detail-forward, vocal/treble-emphasized choice, though a little extra sub-bass weight would sweeten the deal. It’s trivially easy to drive. As a package, RN6 sits a step above Neon 4 on presentation and refinement, but the “gotta-have-it” factor isn’t unassailable at this price, with alternatives offering similar flavor at lower tiers. Still, for those craving a clean, airy, vocal-focused flagship with strong technicalities, this is a compelling—if costly—ticket.

Bass: S Mids: A- Treble: A+

Bad Guy Good Audio original ranking

Bad Guy Good Audio Youtube Channel

7th Acoustics Asteria reviewed by Bad Guy Good Audio

2025-09-30
Bad Guy Good Audio 9.1 Reviewer Score
S Tuning
A+ Tech
As technical as a PMG SE but smooth like an RN6 (engaging mids) Flawless for my library
Youtube Video Summary

7th Acoustics Asteria arrives as a limited run of 77 units at around $3,800, presented in a numbered box with premium trimmings. The shells are described as the most beautiful seen in the hobby—shifting, almost bioluminescent blue caps with extended gold trim—and the fit is excellent thanks to a subtle wing. Under the hood sits a 10 mm dynamic driver plus 12 balanced armatures (latest-gen Knowles), with visible multi-tube routing and pressure relief to avoid insertion issues. The accessory suite feels purposefully upscale: a perfectly color-matched and supple cable (no gaudy branding), a structured case (noted as possible animal hide), Final Audio tips, additional tip sets, cleaning tools, stickers, and even a 4.4 mm to 3.5 mm adapter.

Sonically, Asteria is framed as reference-grade yet musical, with detail retrieval and resolution described as almost peerless. It handles a wide library with ease—classic rock, grunge, 90s hip-hop—and while some genres may benefit even more than others, overall performance is characterized as fault-free. Compared with similarly exclusive sets, it avoids the common “expensive but underwhelming” trap; the coherent tuning and technical chops deliver on high expectations without the need for caveats, making this a stunning aesthetic and acoustic package that feels every bit as special as its limited status suggests.

Bass: S Mids: S Treble: A+

Bad Guy Good Audio original ranking

Bad Guy Good Audio Youtube Channel

Fir Audio RN6 (more reviews)

Fir Audio RN6 reviewed by Nymz

Nymz 6.2 Reviewer Score
B Tuning
B Tech
Good bass texture with nothing else remarkable... until I saw its price.

Nymz original ranking

Nymz Website

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

7th Acoustics Asteria (more reviews)

7th Acoustics Asteria reviewed by Precogvision

2025-09-17
Precogvision 8.3 Reviewer Score
S Tuning
A+ Tech
Pretty much the closest to a tonal panacea that I've heard only held back by the bass.
Youtube Video Summary

7th Acoustics Asteria prioritizes midrange and treble finesse with only one caveat: the bass isn’t the greatest, presenting a slightly BA-like character with a faintly “farty” mid-bass. The midrange is pure butter, driven by a gentle 2.5 kHz pinna rise followed by a subtle 3.5 kHz bump, keeping it forward yet smooth. A touch of presence around 200–300 Hz adds warmth, while the treble fixes Supernova’s lower-treble heat around 5–6 kHz and pushes extension past 15 kHz.

The result is a presentation that’s buttery yet detailed, with natural imaging and pinpoint precision that screams “godlike tonality.” Value is the sticking point: at roughly $3,800, the proposition isn’t as compelling as Supernova’s, and the overall performance feels closer to the ~$2,000 bracket. For listeners who prioritize tonality and imaging over bass texture and price efficiency, Asteria remains a compelling high-end choice.

Bass: A+ Mids: S+ Treble: S Dynamics: A+ Details: A+ Imaging: A+

Precogvision original ranking

Precogvision Youtube Channel

7th Acoustics Asteria reviewed by Web Search

2025-09-30
uses AI-Search to turn user, reddit and head-fi reviews into clear, concise summaries.
Web Search 8.9 Reviewer Score
S- Tuning
S Tech

The 7th Acoustics Asteria is a hybrid flagship built around a 10 mm dynamic driver for bass and twelve balanced-armature drivers covering mids through super-treble (5-way crossover), packaged in a CNC aluminum shell and paired with a bespoke LYRA cable. Retailers describe proprietary crossover and treble-loading implementations (EXP / ECHO) aimed at precise integration and high extension, and the run appears limited to 77 units. Pricing varies by market, but a common US MSRP is $3,800.

Tonally, Asteria targets a U-shaped balance: elevated, textured sub-bass, a mildly recessed midrange, and airy upper treble. Frequency-response references and dealer commentary support the emphasis on bass impact and treble “sparkle,” with vocals pushed slightly forward against a relaxed lower-midrange bed. This aligns with FR database traces showing boosted sub-bass and upper-treble energy relative to the center mids.

Technical performance is a core strength: imaging precision, separation, and macrodynamic slam are repeatedly noted, with stage size competitive among current flagships. The trade-off is a midrange that can feel slightly pulled back on timbre-critical content, and the ultra-premium price positions value as conditional on preferring this lively U-shape over neutral targets. Given its execution and cost, Asteria reads as a specialty end-game for listeners seeking visceral bass and airy treble without overt harshness.


Bass: S Mids: S- Treble: S- Dynamics: S Soundstage: S Details: S Imaging: S

Fir Audio RN6 User Review Score

Average User Scores

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7th Acoustics Asteria User Review Score

Average User Scores

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Fir Audio RN6 Gaming Score

Gaming Score & Grade

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

Gaming Score

5.5

Gaming Grade

B-

7th Acoustics Asteria Gaming Score

Gaming Score & Grade

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

Gaming Score

7

Gaming Grade

A-

Fir Audio RN6 Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A-
  • It balances warmth and clarity well, showing only minor quirks along the way. Timbre feels believable with most instruments.

Average Technical Grade

A-
  • A competent technical showing keeps separation intact while delivering modest staging. It feels tidy even when recordings stack layers.
Bass A+
Bass performance is excellent, combining depth with rock-solid control. Basslines feel tactile and enveloping.
Mids B+
It offers engaging mid frequencies with pleasing clarity and layering. Details emerge without becoming harsh.
Treble A-
The treble is exquisitely tuned, combining crystal detail with relaxed delivery. Micro-details emerge effortlessly.
Details B
You hear inner textures easily, even when the arrangement piles on layers. You can hear subtle studio effects.
Imaging B
Good imaging with precise instrument placement and clear front/back localization. Positions snap into place convincingly.
Gaming B-
Moderate spatial presentation conveys general directionality. Suitable for casual play where precision isn't critical. Bad value-to-cost for gaming purpose - not recommended

7th Acoustics Asteria Scorings

Average Technical & Tuning Grades

Average Tunign Grade

S-
  • Tonal balance reaches a highly refined state, sounding seamless from lows to highs. Everything locks together with satisfying coherence.

Average Technical Grade

A+
  • A very capable technical display delivers articulate layers and poised imaging. It portrays reverbs and echoes with confidence.
Bass S-
You hear powerful yet disciplined low-end slam that extends effortlessly. It marries sub-bass depth with great texture.
Mids S
The midrange defines perfection, reproducing every nuance with effortless authority. Textures are rendered with absolute conviction.
Treble S-
It delivers superb treble brilliance that stays pure even in complex passages. It adds excitement while staying pure.
Dynamics S-
Dynamic range is superb, blending powerful impact with nuanced control. It captures both whisper and roar effortlessly.
Soundstage S
Venue reproduction feels transcendent, portraying a limitless hall with absolute positional certainty. Imaging remains rock solid at all times.
Details S-
Complex productions unravel completely, letting you examine every thread. Textures are rendered with exquisite finesse.
Imaging S-
Even dense mixes remain locked in place, reinforcing the illusion of physical performers. The stage remains stable regardless of complexity.
Gaming A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations. Bad value-to-cost for gaming purpose - not recommended

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