Letshuoer S15 VS Hercules Audio Noah

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Hercules Audio Noah arrives with a premium package: a metallic, cozy shell with a secure anti-tragus catch, a gold nozzle, and a genuinely excellent 4.4 mm cable (red/black channel markers, smooth chin slider, solid Y-split). Accessories are thoughtful—tips, cleaning brush, a USB-C DAC, and a plush case—making the whole experience feel dialed-in and durable. Fit is easy, build is handsome, and the cable quality stands out as one of the better stock options at this price.

Sonically, Noah brings a vocal-forward presentation with a clean, punchy, and hard-hitting bass shelf; it’s engaging, rich, and fun. There’s a notable 1 kHz rise and energetic upper-mids that push presence, while treble stays polite—good clarity, but not the last word in sparkle/air or micro-detail. Think “audiophile-style tuning” rather than meta-neutral: more drive and dynamism than shimmer. Compared with peers, it carries some Elysian-style DNA (cleaner and more exciting than Pilgrim/Noir, less dazzling up top than Apostle/Annihilator), and versus the hyped YU9 it swaps treble dazzle for meatier bass impact, making the two strong complements.

Value depends on region: list sits around $400, but tariffs and shipping can push it above $500 in the U.S., which tempers the bang-for-buck. As a result, it’s an easy recommendation for those seeking a mid/bass-forward, vocal-centric signature—demo at a show if possible, or consider the used market for a sharper deal. Bass is a 10/10 with satisfying slam, the overall presentation is lively and majestic, and while treble finesse is merely good, the tuning’s energy and musical drive make Noah a memorable, hype-worthy listen for the right ears.

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Letshuoer S15 takes the planar recipe in a more natural, neutral direction, dialing back the upper-mids/treble glare that made earlier S12 variants feel “planar.” The result is a heavier note weight, smoother edges, and a timbre closer to a good dynamic driver—without the etched, floaty thinness common to many planars. Vocals sit forward with less Harman-style shout, bass carries satisfying sub-bass rumble with tight mid-bass separation thanks to planar speed, and overall fatigue is low. The trade-off is a presentation that’s more relaxed than hyped: treble sparkle and micro-detail aren’t spotlighted, and those craving sizzle may find it a touch polite.

Against its siblings, S15 is the cleanest, most neutral option—more open and balanced than the darker, ultra-chill S08, and more refined/grounded than older S12 iterations that pushed treble energy. The newer S12 2024 brings back liveliness and air while staying smoother than previous S12s, but S15 remains the pick for a reference-leaning planar with convincing timbre. It costs a bit more than S12 2024, yet what you’re paying for is timbre quality, note density, and a fatigue-free listen that still carries enough low-end punch. For listeners prioritizing naturalness over fireworks, S15 feels like the most mature expression of Letshuoer’s planar line.

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Hercules Audio’s Noah targets the mid-tier with a 1DD+3BA setup around $400, and the physical package impresses: a premium, crush-resistant case, Divinus Velvet ear tips, a Type-C dongle, and an all-metal black-and-gold shell that looks luxe and fits comfortably for long sessions. The four-core black cable feels solid with quality connectors and a working chin slider, even if it isn’t the softest. Sonically, the Noah aims for a fun, engaging listen via a relaxed treble, but bass hype meets reality—there’s strong sub-bass extension while mid-bass weight and texture come up short, so punch and grit aren’t at “basshead” levels.

The midrange is the star: forward enough to keep vocals clear without sounding shouty, though a slightly lean lower-mid can thin out male voices. Treble stays smooth yet extended, ideal for treble-sensitive listeners (treble-heads may want more bite). Technicalities hold their own for the price—good layering, imaging, and micro-detail, with a soundstage that’s a touch above average. Versus the YU9/CH it’s smoother and more fun (that set is brighter and more clinical), while Dusk Analog (DSP) runs warmer with bass some may prefer but even more laid-back mids/treble; for a true bass fix, Kiwi Ears Punch remains a go-to. Overall, Noah is enjoyable with standout build and accessories, best for those who like sub-bass focus + relaxed treble; tuning quirks keep it from a higher nod, settling on a two-star recommendation for value.