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 |
Fir Audio RN6 Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.4Generally Favorable
7th Acoustics Asteria Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.8Excellent
Reviews Comparison
Fir Audio RN6 reviewed by Bad Guy Good Audio
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.
Bad Guy Good Audio original ranking
Bad Guy Good Audio Youtube Channel7th Acoustics Asteria reviewed by Bad Guy Good Audio
2025-09-30Youtube 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.
Bad Guy Good Audio original ranking
Bad Guy Good Audio Youtube ChannelFir Audio RN6 (more reviews)
Fir Audio RN6 reviewed by Nymz
7th Acoustics Asteria (more reviews)
7th Acoustics Asteria reviewed by Precogvision
2025-09-17Youtube 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.
Precogvision Youtube Channel
7th Acoustics Asteria reviewed by Web Search
2025-09-30
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.
Fir Audio RN6 Details
Driver Configuration: 1EST+1DD BA
Tuning Type: n/a
Price (Msrp): $3,300
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7th Acoustics Asteria Details
Driver Configuration: 1DD+12BA
Tuning Type: U-Shaped
Price (Msrp): $3,800
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Fir Audio RN6 User Review Score
Average User Scores
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7th Acoustics Asteria User Review Score
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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
5.5Gaming 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
7Gaming 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.
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.
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