Softears RSV MK II and FATfreq Scarlett Mini use 5BA and 1DD+2BA driver setups respectively. Softears RSV MK II costs $700 while FATfreq Scarlett Mini costs $799. FATfreq Scarlett Mini is $99 more expensive. Softears RSV MK II holds a slight 0.4-point edge in reviewer scores (8.3 vs 7.9). FATfreq Scarlett Mini has significantly better bass with a 1.2-point edge, Softears RSV MK II has better mids with a 0.9-point edge, FATfreq Scarlett Mini has slightly better dynamics with a 0.4-point edge, Softears RSV MK II has better soundstage with a 0.5-point edge, Softears RSV MK II has slightly better details with a 0.4-point edge and Softears RSV MK II has slightly better imaging with a 0.4-point edge.
Insights
Metric | Softears RSV MK II | FATfreq Scarlett Mini |
---|---|---|
Bass | 8.1 | 9.3 |
Mids | 8.3 | 7.4 |
Treble | 7.9 | 7.8 |
Details | 7.9 | 7.5 |
Soundstage | 7.7 | 7.2 |
Imaging | 8 | 7.6 |
Dynamics | 8.3 | 8.6 |
Tonality | 8.6 | 7.7 |
Technicalities | 8 | 7.6 |
Softears RSV MK II Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.3Very Positive
FATfreq Scarlett Mini Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.9Strongly Favorable
Reviews Comparison
Softears RSV MK II reviewed by IEMRanking AI
2025-08-28
The Softears RSV MK II refines the original RSV with an all-5BA design and a 4-way crossover, targeting a stable “reference sound” while improving driver control and airflow management. It’s easy to drive at 122 dB/Vrms, 7 Ω, and the build mixes medical-grade resin with CNC-milled aluminum and forged carbon for a robust, low-resonance shell; MSRP is $699.
On paper, the tuning remains neutral with a bass lift: dual Knowles CI22955 woofers aim to give BA-bass more texture and weight, an improved ED driver anchors clean mids, and a SWFK unit handles upper treble for a smoother, less fatiguing top end. Softears’ LRC network and dual pressure-relief approach target consistent FR and reduced ear pressure, which should aid long listening sessions and imaging stability.
Subjectively, this positions the RSV MK II as a coherent, midrange-centric set with tight, controlled low-end rather than maximal slam, and a smooth treble that trades sparkle for fatigue-free listening. Soundstage is moderately wide with tidy imaging; technicalities are competitive for the class but won’t chase ultra-etched detail specialists. Given the tuning goals and efficient drive requirements, value will appeal most to listeners prioritizing tonal accuracy and midrange timbre over sheer sub-bass impact or treble air.
FATfreq Scarlett Mini reviewed by IEMRanking AI
2025-09-26
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 .
Softears RSV MK II (more reviews)
Softears RSV MK II reviewed by Jaytiss
2025-09-03Jaytiss Youtube Channel
Softears RSV MK II reviewed by Super* Review
2025-09-09Softears RSV MK II brings back the all-BA ethos at $700 with five armatures and a promise of “re-engineered BA bass.” Build and accessories feel premium (sleek shells, plush case), while the cable choice is quirky—4.4 mm only with a 3.5 mm pigtail. Fit is outstandingly secure and custom-like but on the larger side with a longer nozzle, so comfort depends on ear size. Softears’ Ultra Clear tips work well; the new metal-ring variant adds little beyond novelty.
On the graph, bass looks like gigabass, yet in ear it settles into a warm, weighty foundation without steamrolling the mids. The midrange follows a “new-meta neutral” tilt—fuller than Harman with forward upper-mids—while treble lands clean and sparkly without fatigue. Imaging is tidy rather than cavernous; separation and delineation are convincing, with the top end executed better than the bottom. BA bass here is among the more physical and satisfying of its kind, though tactility can be track-dependent and turn a bit tubby on very bass-heavy mixes.
Against peers, Symphonium Meteor sounds warmer and more “special” but less all-round; DUNU SA6 MK2 is more colored with janglier treble and the least convincing bass; 7th Acoustics Supernova trades warmth for vivid, bright-tilted imaging; Softears Studio 4 is lighter on bass and airier; and the old Moondrop S8 stays the lively, vocal-centric counterpoint. Net take: a supremely competent, character-light all-rounder that favors bass weight over panoramic staging. Verdict: 4/5 stars—a welcome throwback done right, and notably cheaper than the original RSV launch price.
Super* Review original ranking
Super* Review Youtube ChannelSoftears RSV MK II reviewed by Jays Audio
2025-08-28Softears RSV MK2 shifts from the OG’s vocal-centric tilt into a bass-forward all-rounder. The sub-bass and mid-bass hit with real slam and weight, giving drums and bass guitars a satisfying, dynamic punch. Upper mids (3–6 kHz) are tamed to avoid shout, while a gentle 1–2 kHz rise keeps vocals open and natural—slightly less pushed than the original but still clear. Treble is smooth with decent air; not super sparkly and there’s no EST “sauce,” but it stays clean and non-fatiguing.
As a package, MK2’s standout is the low-end texture—thunderous yet controlled—making it one of the more engaging bassy sets under four figures. Technical performance is solid for the tier, though some rivals at lower prices bring more raw detail and EST extension. Build and accessories get a tasteful, modern refresh. For best balance, the stock tips work well; bass-boosting or treble-opening tips can shift it toward a more V-shape at the expense of overall smoothness.
On genre fit, MK2 shines with hip-hop, pop, EDM, and R&B, where its punch and warmth bring rhythms to life; for orchestral or leaner acoustic picks, the bass can edge forward depending on the mix. It scales to mid–high volumes nicely (around the 70–80 dB zone) without turning sharp. Compared with the OG RSV—now likely affected by a silent retune in recent units—the MK2 is the safer buy: less shout, more authority down low, and a broader all-rounder appeal. Recommended, especially if found below full MSRP, for listeners craving tasteful bass with natural mids and relaxed, smooth treble.
Jays Audio Youtube Channel
FATfreq Scarlett Mini (more reviews)
FATfreq Scarlett Mini reviewed by Z-Reviews
2025-09-26Scarlett 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
Softears RSV MK II Details
Driver Configuration: 5BA
Tuning Type: Neutral with bass boost
Brand: Softears Top Softears IEMs
Price (Msrp): $700
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FATfreq Scarlett Mini Details
Driver Configuration: 1DD+2BA
Tuning Type: U-Shaped (sub-bass emphasis)
Price (Msrp): $799
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Softears RSV MK II User Review Score
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FATfreq Scarlett Mini User Review Score
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Softears RSV MK II Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7.6Gaming Grade
AFATfreq 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+Softears RSV MK II Scorings
Average Technical & Tuning Grades
Average Tunign Grade
S-- Highly polished technical execution. Excellent frequency synergy creates an immersive experience. Enhances musical content.
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.
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