Dunu Glacier VS Punch Audio Martilo

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The Dunu Glacier delivers an extraordinary premium experience right from the unboxing, featuring a lavish presentation, a massive high-quality fabric cable with interchangeable terminations, and hand-polished stainless steel earpieces that feel substantial and expensive. Despite the controversial MMCX connectors, the cable and fit are praised, complemented by a ton of accessories including multiple ear tip types, a leather case, and even a brush. This is Dunu’s flagship effort at $1300, and the physical presentation screams luxury.

Sonically, the Glacier is a revelation with a massive, immersive soundstage that places instruments at a distance, creating a surround-like experience rather than an in-your-head assault. The tuning is remarkably relaxed and natural, prioritizing smoothness and spatial depth over aggression. Tracks with atmospheric elements or live recordings become breathtaking, revealing layers of echo and venue acoustics that feel expansive and holographic. This isn’t hyper-detailed or clinical; it’s chill, luxurious, and emotionally resonant, making even familiar music feel newly captivating.

Compared to competitors like the Thieaudio Prestige Limited or Monarch MkIII, the Glacier carves its own niche with its unparalleled sense of space and effortless presentation. It doesn’t compete on technical aggression but instead offers a transportive, almost spiritual listening experience. If you crave an endgame IEM that emphasizes grandeur, natural tonality, and pure musical immersion over analytical prowess, the Glacier is a jaw-dropping contender. Just be prepared for its unique, room-filling signature—it’s less an in-ear monitor and more a portal.

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The Punch Audio Martilo shows up screaming BASSHEAD on the box, but the tuning is smarter than that. A hybrid stack—2×8 mm DD + 2×BA + 1 planar—delivers bass that hits when the track calls for it, then gets out of the way. The surprise is the huge soundstage: airy, wide, borderline cinematic, so pianos, crowds, and live recordings feel expansive rather than claustrophobic. Low 9 Ω impedance and easy efficiency keep the power demands chill, though a low-impedance cable is recommended.

Tip rolling matters. With thin-wall silicone (e.g., Dunu S&S) the stage opens up and balance feels right; foams and some wide-bore options can push treble into a slightly sharp zone on certain tracks. Tonality reads clean and natural—warm-adjacent without a blanket—so everyday music stays unbloated, while proper sub-bass test tracks pressurize with that “firm hand on the chest,” not a sledgehammer.

Build is solid: thick, comfy modular cable with swappable plugs, flashy red shells, and a comically oversized box for a modest accessory set (silicone + foams). Street price around $330 lands in the sweet spot—easily justifying $375 by ear. Think “poor man’s Mega 5 EST Bass Plus”: similarly satisfying slam and stage, with the pricier set showing a touch more upper-mid/treble refinement. Not just for bassheads—more like a full-range thrill ride that lets music breathe and hit when it should.

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Priced around $1,350, the Dunu Glacier is a premium nine-driver tribrid IEM featuring one dynamic driver, four balanced armatures, and four electrostatic drivers. The build quality is exceptional with a beautiful mirrored polished steel shell, though it's noted as a bit large, heavy, and a fingerprint magnet. Comfort is generally good, and it includes a high-quality, pliable cable with interchangeable connectors and a secure chin slider. Packaging is also highlighted as exceedingly well done, typical of Dunu's recent standards.

Sonically, the Glacier delivers a very bassy, extremely fun, and highly engaging V-shaped signature. The strong bass is balanced by prominent upper mids, offering good detail resolution and micro-details. However, a noticeable energy peak around 3kHz can make some tracks feel overly energetic, intimate, or even slightly shouty, limiting its versatility for mellower listening sessions. Comparisons place it near sets like the LETSHUOER Tera (less bass, cleaner) and ThieAudio Monarch MK I (less bass, more even upper mids), while noting it surpasses the Dunu Brain Dance (DK-31) in detail and bombast, though the Brain Dance offers significant value at half the price.

Ultimately, the Dunu Glacier stands out as a fantastic and unique IEM with satisfying bass weight, good imaging, and excellent micro-details. Its fun, bombastic character and high-quality build make it a compelling choice, but the specific upper-mid energy requires careful consideration. It earns a recommendation for those seeking an ultra-engaging Harman-style listen with top-tier driver tech, though demoing is advised due to its distinct tonal quirks.

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Punch Audio Martilo steps in as a new-brand debut with a confident package: a hybrid array (planar + BAs + DDs), a metal nozzle, proper venting, and a recessed 2-pin socket set into a shell that sits securely thanks to an anti-tragus catch. The faceplate gives off AFUL Performer 7 vibes, the included cable is supple with clear R/L markings, and the textured carry case plus two tip sets round out a thoughtful accessory kit. Priced around $329—with occasional deep discounts during big Linsoul sales—build and accessories feel dialed in for the bracket.

Sonically, this is a bassy set that still behaves like an all-rounder. The bass shelf rises from roughly ~150 Hz, bringing weight and warmth without turning podcasts and vocals into mud; upper-mids are present yet controlled, minimizing shout, while mid-treble energy keeps things crisp. Female vocals avoid huskiness, note weight is satisfying, and the tuning strikes a balanced, fun profile that works across genres. On the graph it hugs a safe line, then sprinkles in extra low-end for flavor—bass-head friendly, but not a blunt instrument.

In A/Bs, it addresses the AFUL Explorer’s softness with more bass and mid presence, and compared to similarly priced Kiwi Ears Astral (the safer neutral pick), Martilo offers the spicier, more engaging option. Against “specialist” bass sets like Deuce or Quantum, Martilo feels cleaner in the mids, less abrupt in its slam, and more universally usable; versus warmer bass champs (e.g., Mega 5 Bass), it trades some warmth for clarity and refinement. This isn’t sterile “audiophile-neutral”—it’s audiophile-fun done with taste. Scoring reads like: bass (10/10), note weight (10/10), mids (9/10), with surprisingly solid highs, stage, and imaging for the money. Not flawless, but distinctive, well-tuned, and easy to recommend—especially for listeners who want real bass without sacrificing everyday versatility.

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Boom — time for bass. Punch Audio’s Martilo is a tribrid (2×8 mm DD + 2 BA + 1 micro planar) coming in around $330. The package is stacked: sturdy square case, extra filters, multiple tip sets, and a genuinely excellent modular 3.5/4.4 cable that lays flat, has no microphonics, and a firm chin slider. The shells are ergonomic with venting, metal nozzles with a proper lip, and a small nozzle diameter (5.9/5.0 mm) that helps seal; comfort and passive isolation are both strong.

Sonically, this is unapologetically bass-focused without being bass-only. Expect massive sub-bass depth and a punchy mid-bass, yet the low end stays tight, controlled, textured and doesn’t bleed. Mids retain clarity with non-shouty presence, while treble is crisp, smooth, non-fatiguing with decent extension (not ultra-airy). For a bass-heavy set, technical performance is solid: detail is good, and imaging/separation keep busy tracks coherent and energetic.

Against Hisenior’s Mega5EST Bass Plus, Martilo hits harder, feels more engaging, and offers better vocal clarity — and it steamrolls on value at the lower price. Compared with Xenns Tea Pro, the Tea Pro is a bass-lover all-rounder that spotlights vocals/instruments more; Martilo goes full bass-head with bigger rumble and impact. Ideal for listeners who crave deep slam but still want clarity, comfort, and great accessories; not for neutral/reference chasers. Final verdict: 4/5 — it truly punches above its price.

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The DUNU Glacier presents itself as a true $1,400 flagship, pairing a nine driver hybrid array with 904L stainless steel shells that feel like a piece of jewelry in the hand and in the ear. Comfort and isolation are outstanding, with a surprisingly secure fit from the compact shells, scoring essentially ten out of ten for long listening sessions and around 9.5 out of ten for blocking outside noise. The stock cable, modular Q Lock system and generous selection of tips and accessories add to the feeling that this is a carefully engineered high end system rather than just another in ear.

Sonically, Glacier goes for a neutral signature with a strong sub-bass focus, where the dynamic driver digs very deep with powerful rumble and thunderous mid bass that stays tight, punchy and snappy instead of bloated. Male vocals sit on a solid bass foundation without bleeding into the mids, giving voices a natural, weighty character, while forward mids deliver that HD650 and HD600 style intimacy with excellent note definition and organic timbre. Female vocals float on top with an airy, extended treble that stays completely free of sharpness or sibilance, creating an almost ethereal sense of air while still sounding smooth and natural.

Technical performance is where Glacier really earns its flagship status, with imaging that is extremely precise and multi layered, allowing individual voices and instruments in dense mixes to be followed easily as they move across the stage. The soundstage has an unusually large sense of space for an IEM, evoking the way high end open back headphones place instruments in a real acoustic environment, with clear separation between near and far sounds and very realistic reverberation around guitars, drums and vocals. Combine this with highly textured, detailed bass, lively yet controlled dynamics and a natural, organic presentation that reveals new details in familiar tracks, and Glacier comes across as a true treasure level in ear that can justify its high price for listeners seeking a long term reference.

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The Dunu Glacier stands as the brand's latest flagship tribrid IEM, priced around $1,350. Its standout feature is its adherence to the Harman target curve, a rarity at this level, executed with notable success. The Glacier boasts exceptional build quality, featuring polished 904L stainless steel shells that feel substantial and genuinely premium, justifying its price tag aesthetically. It comes loaded with accessories, including a plethora of ear tips (like the Candy and new clear Dunu Lunnies) and a large carry case, though the case design is noted as slightly awkward. The included cable is thick, well-made, and features Dunu's signature swappable terminations (3.5mm and 4.4mm included), though its ear hooks are somewhat loose and the chin cinch doesn't hold perfectly.

Sonically, the Glacier delivers a contrasty, V-shaped signature true to Harman but avoids the thinness sometimes associated with that target, thanks to extra bass emphasis. The bass is a major highlight – big, impactful, deep, well-textured, and satisfyingly clean with zero bleed into the mids. The treble is forward yet remarkably smooth, avoiding sharpness or sibilance. While technically proficient with good imaging and a strong sense of depth (especially from the bass), it leans slightly more towards contrast than nuanced micro-detail, particularly in the mid-range. Compared to rivals like the 64 Audio U4s (more mid-focused, warmer, laid-back) and the Dunu Mirai (brighter, most mid-focused, wider stage but less satisfying bass and slightly digital/scratchier treble), the Glacier excels in bass impact and separation, smoothness, and depth perception, while the others might appeal more for pure mid-range focus.

Overall, the Dunu Glacier is a highly refined IEM with no glaring weaknesses. Its excellent build, satisfying Harman-tuned sound (especially the standout bass and smooth treble), and competitive technicalities make it a compelling option in the flagship tier. While its weight and aggressive shell molding might cause minor comfort issues when lying down, and the ear hooks could be tighter, it earns a very solid four-star rating for delivering a premium experience that largely justifies its cost and successfully champions the Harman target.

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Punch Audio Martilo hits the brief for bass-centric listeners. The tuning kicks up from ~200 Hz, driving a potent low end, then rides a flat porch through the mids with a gentle ear-gain that crests around 3 kHz before easing off. It mirrors the well-known Kiwi Ears collab curve but with a touch more upper-mids energy for cleaner, clearer vocals. At $279 with the card (and still competitive around $320), this set undercuts many rivals and, for libraries heavy on rock and hip-hop, feels purpose-built.

The hybrid stack—2DD + 2 BA (branded) with a planar on top—keeps the upper-mids sensible and lets the treble play from roughly 5 kHz+ without glare. Personal preference might lean to EST or a high-end BA super-tweeter, but here the planar’s implementation stays out of trouble by avoiding an overcooked 1–3/4 kHz shelf. Result: strong slam, stable mids, and treble that’s present yet subordinate to the preceding bands—focused on transparency rather than flash.

Beyond sound, the packaging and cable show real forethought—distinct from the usual cookie-cutter unboxings—and the overall execution reads like a brand finally dedicated to the low-end community. With more models in the pipeline (including a budget single DD and a planar+DD combo), Martilo arrives as a market shaker for bass lovers seeking muscle without muddying the mids. For the asking price, it’s an easy recommendation to audition—especially if the playlist is built on rhythm sections and big grooves.

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Martillo is a hybrid (dual DD, two BA, one planar) tuned as a sub-bass-boosted U-shape with roughly 14 dB lift and a hard mid-bass drop. The low end hits like a quick hitter—fast, clean, and free of boom—while the sharp cut through the mid-bass keeps the presentation uncluttered and lets vocals come through clearly.

Mids favor female vocals with notable clarity, but lower mids and male voices sound thinner due to the deep mid-bass dip; timbre skews a bit digital and body is reduced. Treble avoids harsh BA/planar timbre and is generally clean, yet not especially airy; smoothing and a touch more body would improve naturalness.

Stage is wide with some height, yet depth and dimension are flatter around the midrange gap. A small EQ lift of about 2-3 dB in mid-bass fills in body, improves transparency, and broadens genre flexibility. As tuned, Martillo suits pop and dance where sub-bass drive matters, while listeners seeking weighty mid-bass impact may want that EQ or a different flavor.

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Punch Audio Martillo stands out as the rare basshead set that still reads as competitive. At $329 with a 2DD + 2BA + 1 planar array, it pushes more sub-bass and mid-bass than most, yet the low end is textured, tight, and notably fast in attack/decay. The result is bass that rumbles without smearing: mids remain intact, the treble stays airy and clean, and the stage presents with extra width, depth, and “air within the space.” Imaging feels precise, with strong depth perception and a lack of the bloat typical of warm tunings—distinctly different from anything else on the WallHack certified list.

In Valorant, Martillo scores around an A- (bordering B+): clear separation and layering, wide/deep staging, and crisp reads on lighter cues; only in heavy site pushes—multiple vandals plus abilities—does the extra low-end energy flirt with congestion. In Apex Legends, it sits at a strong B+: even with environmental rumble (thermites, storms, ults), the set preserves gunfire localization, slides, and verticality, handling third parties impressively well. Net: a uniquely exciting pick for those who want a visceral bass flavor that still performs at a high technical level for gaming—arguably the highest-ranking tuning of its type on the list.