7th Acoustics Supernova VS FATfreq Scarlett Mini
IEM Comparison: Expert & Community Scores Side-by-Side
7th Acoustics Supernova and FATfreq Scarlett Mini use 6BA and 1DD+2BA driver setups respectively. 7th Acoustics Supernova costs $850 while FATfreq Scarlett Mini costs $799. 7th Acoustics Supernova is $51 more expensive. FATfreq Scarlett Mini holds a slight 0.1-point edge in reviewer scores (7.8 vs 7.9). FATfreq Scarlett Mini has significantly better bass with a 2.4-point edge, 7th Acoustics Supernova has significantly better mids with a 1.3-point edge, FATfreq Scarlett Mini has significantly better dynamics with a 2.3-point edge, 7th Acoustics Supernova has better soundstage with a 0.8-point edge, FATfreq Scarlett Mini has better details with a 0.9-point edge and 7th Acoustics Supernova has slightly better imaging with a 0.3-point edge.
Insights
| Metric | 7th Acoustics Supernova | FATfreq Scarlett Mini |
|---|---|---|
| Bass | 6.9 | 9.3 |
| Mids | 8.7 | 7.4 |
| Treble | 7.9 | 7.8 |
| Details | 6.6 | 7.5 |
| Soundstage | 8 | 7.2 |
| Imaging | 7.9 | 7.6 |
| Dynamics | 6.3 | 8.6 |
| Tonality | 7.9 | 7.7 |
| Technicalities | 7.5 | 7.6 |
7th Acoustics Supernova Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.8Strongly Favorable
FATfreq Scarlett Mini Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.9Strongly Favorable
Reviews Comparison
7th Acoustics Supernova reviewed by Z-Reviews
6.8
* score normalized
FATfreq Scarlett Mini reviewed by Z-Reviews
2025-09-26
8
* score normalized
Scarlett Mini is framed as a bass experiment first, IEM second: a ~$666 set (or $833 with the light-red “upgraded” cable) that pushes a 30 dB sub-bass shelf so far that every track becomes a bass test. The low end is described as omnipresent—a physical, room-shaking effect that makes even lean recordings throb—while mids/treble behave like a competent $200–$300 set with decent stage and a sweet, crisp top end (not kilobuck texture). It’s also hard to drive, likely due to a heavy crossover network, and scales with power more in weight than in refinement. The upgraded cable gets a thumbs-down on feel and value; the advice is to skip the cable upcharge.
This tuning is called weird but fun—a “bass cannon” for listeners who’ve heard everything and want their library to feel new and outrageous again. The warning is clear: extended use may ruin perception of normal gear because the sub-bass sets a new baseline; take “vacations” from it. For quality-first listeners seeking separation and balance, the rest of the signature won’t justify the price; for bass die-hards, paying a few hundred dollars just for the bass trick might be exactly the point. Measurements won’t look neutral, and that’s by design—this is a specialized, end-of-the-road indulgence rather than a daily driver.
Z-Reviews Youtube Channel
7th Acoustics Supernova (more reviews)
7th Acoustics Supernova reviewed by Super* Review
9*
* score normalized
7th Acoustics Supernova reviewed by Jaytiss
8.5
Reviewer Score
Jaytiss Youtube Channel
7th Acoustics Supernova reviewed by Audionotions
8
Reviewer Score
7th Acoustics Supernova reviewed by Shuwa-T
7.9
Reviewer Score
7th Acoustics Supernova reviewed by Nymz
7.6
Reviewer Score
7th Acoustics Supernova reviewed by Jays Audio
7.5
Reviewer Score
Jays Audio Youtube Channel
7th Acoustics Supernova reviewed by Precogvision
7.3
Reviewer Score
Precogvision Youtube Channel
7th Acoustics Supernova reviewed by Smirk Audio
7.2
Reviewer Score
FATfreq Scarlett Mini (more reviews)
FATfreq Scarlett Mini reviewed by IEMRanking AI
2025-09-26
7.8
Reviewer Score
The FATfreq Scarlet Mini is a hybrid IEM positioned in the brand’s “Scarlet” line with a 1DD+2BA configuration and a stated focus on sub-bass power and treble extension; retailer specs list a single dynamic driver plus two balanced armatures, while the brand highlights a “hyper tweeter” system that extends to 40 kHz . Frequency-response measurements published by a retailer show an extreme sub-bass shelf below ~200 Hz with restrained upper-mids and a smooth, airy top end—consistent with a U-shaped, sub-bass-emphasized tuning rather than a neutral target . FATfreq and dealers market the model with the “world’s first 30 dB sub-bass shelf” claim; while that’s a marketing line, the published curves support a very elevated low end in practice .
On technicalities, the Scarlet Mini emphasizes slam and macrodynamics over microdetail: the powerful sub-bass delivers texture and weight, but can modestly mask lower-mid articulation on dense mixes, while treble extension from the dedicated HF driver provides adequate air without aggressive bite . Practical specs—105 dB sensitivity and 16 Ω impedance—suggest it’s easy to drive; the included SPC cable and accessory set are typical for the segment, and the U-shaped, bass-heavy tuning targets listeners prioritizing impact over strict neutrality . Street pricing varies by region and cable option, but the official product page lists an MSRP tier around $799 for the base configuration, which frames expectations on value relative to other mid/upper-mid offerings .
7th Acoustics Supernova Details
Driver Configuration: 6BA
Tuning Type: bass-boosted neutral
Price (Msrp): $850
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FATfreq Scarlett Mini Details
Driver Configuration: 1DD+2BA
Tuning Type: U-Shaped (sub-bass emphasis)
Price (Msrp): $799
Support our free service! Buying through our affiliate links costs you nothing extra:
7th Acoustics Supernova User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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FATfreq Scarlett Mini User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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7th Acoustics Supernova Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.6Gaming Grade
B+FATfreq Scarlett Mini Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
8Gaming Grade
A+7th Acoustics Supernova Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
FATfreq Scarlett Mini Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
7th Acoustics Supernova User Reviews
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