Softears RSV VS 7th Acoustics Supernova

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Softears RSV breaks the usual BA timbre stigma with a natural, cohesive presentation that avoids the metallic edge often blamed on poor crossovers. Its tuning lifts the upper-mids/early treble just enough to throw vocals into center stage, creating a lively contrast against an otherwise balanced base. At higher volumes the treble feels smooth and correct—cymbal hits sound “right” without glare—while the midrange stays clean, forward, and free of bleed.

Technically, it’s above average but not a show-off: speed, separation, and imaging are tight, yet sets like SA6 Ultra or U12t resolve a touch sharper. Bass carries typical BA traits—quick, textured, but without dynamic-driver slam—though U12t still edges it for bass texture. Where RSV shines is vocal immersion and timbre, arguably among the best under $1,000; just note its source sensitivity at loud listening—pair it with a clean, capable source to avoid distortion. Not a pick for bassheads, but for vocal lovers chasing a smooth, lifelike top end, RSV feels special.

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Supernova’s calling card is its treble: extended, butter-smooth, and startlingly even. No peaks, no weird dips, no BA glare—just airy shimmer with spot-on decay that stays stable at any volume. It rivals the best under $1K and even brushes the Symphonium Helios (OG) for finesse, yet remains less bright and more relaxed. Despite being all-BA, there’s no BA timbre. Dynamics feel controlled rather than fiery—big chorus swings (think “Run Away With Me”) are rendered cohesively without harshness, trading adrenaline for refinement.

The low end is clean, tight, and well-separated—not a sub-bass sledgehammer. Sets with DDs like Hype 2, EJ07M, or Monarch dig deeper and rumble harder, but Supernova’s bass gives body without smearing. Vocals sit mid-forward but not shouty, a hair warm from mid-bass/1.5k lift; extension around ~3k could use a touch more presence for extra “head voice,” yet the overall presentation remains natural and unfatiguing and scales beautifully with volume. Versus Moondrop S8, Supernova trades a bit of the S8’s clinical separation for fuller mid-bass weight and more textured, even treble; the S8 keeps a leaner, clearer stage and more vocal gain.

Comparisons sharpen its profile: against EJ07 (OG/KL), EJ07 offers darker tonality and stronger sub-bass immersion, while Supernova is airier and smoother up top. ThieAudio Monarch series: Mk1 has snappier vocal clarity, Mk3 hits harder with bass texture/slam, but Supernova wins on treble quality and macro-smoothness. Neon Pro can feel more engaging at mid volumes with firmer low-end and crisper imaging, whereas Supernova shines when cranked, remaining composed and immersive. Net take: an “endgame”-leaning, balanced all-rounder for those wanting refinement over fireworks—genre-agnostic, not a treble-head blaster or bass cannon, and short on “special sauce” theatrics, yet consistently excellent where it counts. Availability is the real enemy; production scarcity makes it hard to snag.

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Softears RSV brings a 5BA recipe with a shell that’s handsome but larger than average, featuring a recessed 2-pin that can fuss with some cables. Comfort is generally fine, yet the size and wide body may test smaller ears. Sonically it’s a neutral-leaning tuning with clean mids and polite highs, but the presentation trades off texture, sub-bass weight, and upper-air sparkle. Stage feels spacious, extension is more average, and while the technicalities are solid, the current crop of mid-fi monitors has pushed beyond what this 2021 design delivers.

Stacked against today’s options, RSV gets pressure from several directions: Elysian Pilgrim hits harder down low with greater perceived clarity; Supernova offers a more natural tonality and better sub-bass; HiSenior Mega5 EST graphs similarly but adds a touch more air; even value picks like a “super mix”/EM10-style V-tune bring fun, slam, and engagement. RSV remains easy to pair and its upper-mids are tastefully set, yet vocals can feel a bit soft—more “fun and cozy” than pristine. At typical new pricing around the mid-$500s it’s tough to champion; catch it closer to $350–$400 (or a good used deal) and it becomes a very enjoyable pick for those who prize smooth mids over maximum bass grip and airy bite.

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Custom-built shells and faceplates make Supernova feel special from the start, and the ergonomics seal the deal: a light, durable shell, super comfortable fit and a supple, well-textured stock cable. The tonality stays open, clean and free of sibilance, with imaging that snaps into place both horizontally and vertically. Detail retrieval in busy scenes is immaculate, making it superb for long gaming sessions—not to farm K/D ratios, but to elevate the overall experience as in-game micro-details sparkle. Tip rolling works well (SpinFit, Divinus, Latex H70), though the included tips are decent; the clamshell case is nice, if a bit annoying to twist shut.

Versus peers, Supernova shows almost perfect tuning with exceedingly strong technicals and a touch of juicy, lush timbre. Against Night Oblivion Butastur, the overall tone and bass texture on Supernova are a hair better, while Butastur gets you 95–98% of the way for less and shines for classical and pop. Compared with Monarch Mk III, the FR curves are scarily close (within a couple dB), yet Supernova’s treble refinement and stage feel a tad more convincing, even if Monarch brings different technical strengths. Net takeaway: a holographic, genre-agnostic performer that’s easy to recommend; the only real caveat is the long wait time to get one, and the bass could use a touch more authority.

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Softears RSV presents as a premium, well-finished all-BA set with five balanced armatures, a secure, slightly deeper fit and above-average isolation. The package feels thoughtful—nice case, multiple tips, cleaning tools—while the shells have a tasteful, dark flake aesthetic. Ergonomically it fills the ear a bit more than comparable models like Moondrop’s S8, but comfort and stability are standouts.

Tonally, RSV opts for a warm, laid-back Harman tilt: elevated sub-bass with restrained mid-bass, even mids with a touch more body than typical Harman, and an upper-mid presence that’s assertive yet not shouty. The treble is notably smooth and controlled—never sharp or sibilant—contributing to an unfatiguing, polished listen. For an all-BA design, the bass is punchy and clean, staying out of the midrange; the main trade-off is a stage that can feel narrower versus more expansive peers.

Against benchmarks, RSV comes across as the “gentleman’s” alternative to the more energetic Moondrop S8 and the livelier, deeper-reaching ThieAudio Monarch, while showing more consistent bass body and smoother treble than DUNU SA6. At roughly $730, it emphasizes balance and refinement over fireworks, earning a solid four-star verdict: extremely competent tuning and execution for those prioritizing maturity, comfort, and smoothness over maximum excitement.

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Hand-built in Indonesia with customizable abalone faceplates, Supernova feels like a boutique step up in value: a handsome, slightly medium-large shell, stable fit, strong isolation, and a tasteful, beefy copper cable. The only nit: a smooth nozzle with no tip notch means soft tips can slip. Overall execution—build, comfort, and the personal order-to-chat experience—delivers a “next level” vibe uncommon around $750.

Tonally, this is a clean, body-intact neutral with a touch of sub-bass lift and a tasteful push in the lower treble. Midrange is the star—full, natural, and richly timbred without the hollow lower-mid dip of leaner targets. Treble is well-extended, linear, and textured, giving transients snap without tipping into sibilance. Technicals impress: tight bass attack, clear separation, precise imaging, and strong micro-contrast that keeps dense mixes like The Cure’s “Disintegration” organized and alive. Caveats are mild: listeners sensitive to lower-treble energy should note its presence, and the low end—while punchy—still reads as BA bass with less sub-bass “flutter” than a dynamic driver.

Against peers, Supernova blends the fuller midrange charm of Moondrop Blessing 2 with the technical grace of Moondrop S8, yet sounds more natural than either. Symphonium Meteor offers bigger bass and a lush stage but trails in separation and mid texture; S8 feels smoother with even stronger 3D imaging but less body. Taken together, Supernova’s tuning, texture, and boutique fit/finish make a compelling all-rounder—and an easy five-star recommendation, especially for those who value lifelike mids and crisp, controlled sparkle over maximal slam.

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Softears RSV delivers a rare combo for a full-BA set: organic timbre without the plasticky edge. The bass carries sufficient weight with a mid-bass emphasis—tight and tasteful rather than earth-shaking, and understandably shy of a DD’s thump. Midrange separation from the bass is clean yet never thin; male vocals keep their body, while female vocals and instruments sound natural, relaxed, and true-to-life. Treble sits neutral and tame—enough sparkle to animate vocals and instruments, but not tuned to spotlight microdetail. Detail retrieval is above average for the price, though not a detail monster, and staging plus imaging sit comfortably slightly outside the head with competent placement. The overall takeaway is a beautiful all-rounder that prioritizes realism and balance over fireworks.

Against peers, RSV squares up closely with Thieaudio Oracle: choose Oracle for more dynamic bass, pick RSV for more organic mids and vocals. Versus sets like Moondrop Variations, RSV trades a touch of separation/analytical edge for fuller lower mids and a more lifelike tonal weight. It won’t chase the widest stages or the sharpest micro-etch, but the tuning and timbre are so dialed that technical trade-offs fade into the background. As the most affordable Softears model, RSV feels like a love letter to musicality: realistic tone, versatile tuning, and a presentation that simply sounds right across genres.

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7th Acoustic Supernova brings a 6BA setup at around $850, dressed in pretty shells but a bit bulgy for the fit. Packaging quirks and micro-print gripes aside, the included Versus Audio cable (permanent 4.4) looks flashy and feels premium. Tip rolling from Dunu SS to Render shifts the presentation, but the core signature stays smooth to a fault—vocals sit a touch further back, treble hints at a lift then fades with different tips, and only the occasional techno track shows bass that carries well. It’s the kind of tuning that’s impeccably polite yet tip-dependent and rarely grabs attention.

Across sources—from a warmer Alpha Pro chain to other amps—the Supernova keeps a straight face: competent, clean, and ultimately boring for the price. Against known yardsticks (neutral “glass-of-water” sets, bass-heavy options, or value champs like Kiwi’s Astrals), the Supernova doesn’t carve a clear identity; it’s smooth without the thrill. Final takeaway: lovely looks, nice cable, but the sound feels meh at this tier—barely meeting the bar where musical moments should pop. On the value meter, the cable helps, the tuning doesn’t; there’s been better—and for less.