Softears RS10 VS 64 Audio Tia Trio

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Softears RS10 targets the top of the detail game at $2,100, but its extras feel dated: a leather hard case, pouch, tips, metal card, and a basic cable—often without interchangeable plugs (current Hangout stock is 4.4 mm). The shell is fully filled resin with a glass-like look that reads premium despite the old-school accessory pack.

Tuning skews a brighter V/U-shape—think JM1 diffuse field (5128) with a bass shelf. Bass is competent, not class-leading at the price; the real draw is the treble: forward, incisive, and surprisingly non-sibilant. RS10 is a detail monster that shoves low-level information to the front and actually has the resolving ability to render it—thrilling for analysis, but intense over long sessions.

Best for listeners who explicitly want maximum resolution and can handle a more energetic top end; less ideal for those seeking a laid-back or warm signature or a luxe unboxing. Price and intensity are the trade-offs; the payoff is one of the most resolving presentations available with a tonality that stays natural-leaning despite its brightness.

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The tia Trio mirrors 64 Audio’s flagship DNA at a lower price point ($2,299) with the same compact, lightweight aluminum build, generous tip selection, and a comfortable shell that suits smaller ears. Sonically it carries a present but well-judged bass shelf, adding a touch of warmth by settling around ~180Hz rather than the usual sub-bass focus. Crucially, the midrange corrects the Forte’s biggest flaw: upper mids aren’t hollowed out here. There’s a mild 1.5–3k dip (about 1–2dB), yet vocals and instruments remain properly contoured and far more natural and engaging without requiring EQ.

Up top, the Trio shows recognizable treble landmarks—an emphasis near 5k that can sound a bit shouty and another at 8k adding slight sizzle—tempered by the healthier mids, so the presentation is lively without becoming harsh. Treble extension is excellent, with “air” above 10k running a tad hot depending on taste. On technicalities, detail retrieval and image clarity track surprisingly close to both the Forte and Legend Evo; the soundstage is expansive for an IEM (strong depth and layering) though not as outsized as Forte, and imaging is accurate for music but not surgical enough for competitive FPS. Taken as a whole—and especially without EQ—the tia Trio feels like the more complete listen: a high-end IEM that preserves the fun while fixing the midrange, trading only a slice of stage grandeur for a much more balanced, recommendable experience.

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Softears RS10 targets a Harman-leaning reference balance with a clean, studio-grade presentation: bass is tight and linear with modest mid-bass punch, prioritizing speed, texture, and separation over slam. The midrange sits neutral and coherent, giving vocals accurate body without bloom, while treble extends with air and micro-detail that spotlights room cues and trailing reverbs. Staging focuses on pinpoint imaging and layering more than sheer width, creating a precise, microscope-like view into mixes that rewards high-quality recordings.

On the flip side, the tuning’s discipline means sub-bass rumble and warmth are restrained, and the upper-treble focus can read energetic on hot masters. It excels for critical listening, fast genres, and complex arrangements where transient clarity matters, but bass-heads and those seeking plush note weight may prefer a richer set. Build and isolation are solid, comfort is stable for long sessions, and the overall package feels polished and technical—a premium, detail-first monitor for listeners who value accuracy over indulgence.

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The tia Trio comes across as a hybrid with personality: rich, thick, and warm, with slightly forward treble that adds air without tipping into the harsher edge heard on the U18t. Vocals are pulled back, yet the presentation feels cohesive and surprisingly natural given its unconventional response. What really stands out is the depth and head-stage—a wraparound sense of space that feels more immersive than most peers, making guitar strums and ambient cues pop in a way that’s immediately engaging.

Despite the 1DD + 2BA configuration, bass isn’t a simple upgrade over the U12t’s BA low end; it carries a touch more body and plosive weight but can feel a bit slower and less refined. Still, detail retrieval punches well above the driver count, and the overall tuning—while relaxed in the mids—stays clean and exciting. With the usual 64 Audio caveats (no apex swapping here and a mediocre stock cable), the tia Trio earns a five-star verdict for its intoxicating stage and atmosphere, even if it’s not the safest all-rounder at its $2,300 price.