AAW Halcyon VS Dunu Glacier

IEM Comparison: Expert & Community Scores Side-by-Side

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AAW Halcyon and Dunu Glacier use 1DD+2BA+4EST and 1DD+4BA+4EST driver setups respectively. AAW Halcyon costs $1,500 while Dunu Glacier costs $1,350. AAW Halcyon is $150 more expensive. Dunu Glacier holds a decisive 3.7-point edge in reviewer scores (5 vs 8.7). Dunu Glacier carries a user score of 9.

Insights

Metric AAW Halcyon Dunu Glacier
Bass 5 8.7
Mids 5 7.8
Treble 5 8.3
Details 5 8.7
Soundstage 5 9.5
Imaging 5 8.7
Dynamics 5 9.1
Tonality 5.5 8.3
Technicalities 5 8.7
Take these comparisons with a grain of salt—we don't have enough AAW Halcyon reviews saved yet to provide an unbiased result.

AAW Halcyon Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

5

Mixed to Negative


Dunu Glacier Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

8.7

Excellent


Reviews Comparison

AAW Halcyon (more reviews)

AAW Halcyon reviewed by Crin

Crin 5 Reviewer Score
B- Tuning
C+ Tech
Filters change the bass response. Congested presentation and lacks definition.

Crin original ranking

Crin Youtube Channel

Dunu Glacier (more reviews)

Dunu Glacier reviewed by Z-Reviews

Z-Reviews 10 * score rescaled + normalized
Youtube Video Summary

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.


Z-Reviews original ranking

Z-Reviews Youtube Channel
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Dunu Glacier reviewed by ATechReviews

ATechReviews 9.4 * Score computed by IEMRanking.com
S Tuning
S Tech
Highly resolving neutral sub bass focused flagship with natural timbre, huge airy stage and pinpoint imaging that makes many full size headphones feel obsolete. Very expensive but performance, comfort and build quality make it feel like a long term investment. Outstanding neutral sub bass focused tuning with natural timbre, deep textured bass, ethereal yet smooth treble, huge spacious stage and pinpoint imaging that reveals new details in familiar tracks. Very expensive flagship with mirror finish shells that attract fingerprints and a cloth sheathed cable and carry system that may be less practical for rough portable use.
Youtube Video Summary

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.

Bass: S Mids: S Treble: S Dynamics: S Soundstage: S Details: S Imaging: S

ATechReviews original ranking

ATechReviews Youtube Channel

Dunu Glacier reviewed by Jaytiss

Jaytiss 9.3 Reviewer Score
A+ Tuning
A+ Tech
Upper mids kill it for me, but it's a fun set.
Youtube Video Summary

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.

Mids: A- Treble: A+ Dynamics: S Soundstage: S

Jaytiss original ranking

Jaytiss Youtube Channel

Dunu Glacier reviewed by Super* Review

Super* Review 9* * score rescaled + normalized
Convinces me that the harman target can sound excellent.
Youtube Video Summary

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.


Super* Review original ranking

Super* Review Youtube Channel

Dunu Glacier reviewed by Gizaudio Axel

Gizaudio Axel 9 Reviewer Score
S Tuning
S Tech
Reveals every detail in your music, both the good and the bad. Exceptional bass, ethereal treble, remarkable clarity, and outstanding detail. The upper mid-range might be a bit too much for some people.

Gizaudio Axel original ranking

Gizaudio Axel Youtube Channel

Dunu Glacier reviewed by Jays Audio

Jays Audio 8.5 Reviewer Score
S- Tuning
S Tech
Clean, balanced but engaging sound, clear vocals, great midrange and tech. Vocals can be a bit too forward/sharp. The most recent unit I got sounds different than the earlier ones which was bass-boosted diffuse field.

Jays Audio original ranking

Jays Audio Youtube Channel

Dunu Glacier reviewed by Precogvision

Precogvision 7.2 Reviewer Score
A- Tuning
A- Tech
Quite exciting and dynamic, possibly a bit bright in the treble.

Precogvision original ranking

Precogvision Youtube Channel
Bass: A+ Mids: A- Treble: A- Dynamics: A+ Details: A- Imaging: A-

Dunu Glacier reviewed by Tim Tuned

Tim Tuned 7 Reviewer Score
A- Tuning
S Tech
Less thin harman with amazing tech Not very natural timbre

Tim Tuned original ranking

Tim Tuned Youtube Channel
Bass: A+ Mids: A- Treble: A+

Dunu Glacier reviewed by Head-Fi.org

Head-Fi.org 8.7 * score rescaled + normalized
5 community members have rated the DUNU Glacier at an average of 4.6/5 on Head-Fi. Overall sentiment: Outstanding.

URL to full Review

Head-Fi.org original ranking

Dunu Glacier reviewed by Web Search

uses AI-Search to turn user, reddit and head-fi reviews into clear, concise summaries.
Web Search 9 Reviewer Score
S- Tuning
S Tech

The Dunu Glacier delivers a technically impressive listening experience with its nine-driver tribrid setup (1DD+4BA+4EST). The stainless steel shells feel substantial yet remain comfortable for extended sessions despite their weight. Sonically, it presents a Harman-inspired tuning enhanced by significant sub-bass rumble and a notably wide soundstage, creating an expansive presentation.

Bass response is a standout, offering deep, textured rumble and strong physical impact thanks to the biocellulose dynamic driver, while the four EST drivers provide highly detailed treble without harshness. However, the upper mids can occasionally feel intense or forward on certain tracks, and the midrange sometimes exhibits a slight hollowness, making it less forgiving of poor recordings. While the soundstage width is exceptional under $2000, depth and layering don’t quite reach the absolute top tier.

At $1349, the Glacier justifies its price with a premium unboxing experience, including a versatile modular cable, multiple high-quality eartip options (Dunu S&S, Candy, SpinFit), and a distinctive design. It’s a strong choice for those seeking a dynamic, detailed signature with thunderous bass and a vast stage, though its revealing nature and shell size may not suit all listeners or genres.


Bass: S Mids: S- Treble: S Dynamics: S+ Soundstage: S+ Details: S Imaging: S

AAW Halcyon User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

No user reviews yet. Be the first one who writes a review!

Dunu Glacier User Review Score

Average User Scores

Average User Score:

Based on 1 user reviews

9

Outstanding

AAW Halcyon Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

4.2

Gaming Grade

C-

Dunu Glacier Gaming Score

Gaming Score & Grade

  • The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.

Gaming Score

7.6

Gaming Grade

A

AAW Halcyon Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B-
  • Expect a friendly tonal balance that could use polish but remains inviting. Great for casual listening, less so for purists.

Average Technical Grade

C+
  • The presentation is steady if unspectacular, holding onto essential details when the music stays simple. Fine details occasionally slip through the cracks.
Gaming C-
Minimal environmental definition provides only general audio cues. Suitable for games where positioning isn't critical. Bad value-to-cost for gaming purpose - not recommended

Dunu Glacier Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A+
  • You hear a mature integration of lows, mids, and highs that keeps music lifelike. Small tuning tweaks showcase expert restraint.

Average Technical Grade

S-
  • Expect top-tier articulation, where staging, imaging, and transient control feel effortless. It keeps instruments locked in place effortlessly.
Bass S-
It delivers flagship-worthy bass, rich in both rumble and nuance. Reference tracks showcase its grip.
Mids A
Expect lifelike vocals and instruments with impressive nuance and realism. You can easily follow harmonies and backups.
Treble A+
It delivers superb treble brilliance that stays pure even in complex passages. It adds excitement while staying pure.
Dynamics S
The presentation feels lifelike, translating every swell and attack flawlessly. The presentation feels startlingly lifelike.
Soundstage S
Reference-class soundstage delivering a perfectly spherical presentation with seemingly infinite space. Spatial cues extend seemingly without limit.
Details S-
Exceptional resolution that uncovers the deepest layers while maintaining natural timbre. It uncovers hidden layers with ease.
Imaging S-
Instruments feel carved into space with unwavering positional stability. Instruments occupy palpable coordinates.
Gaming A
Clear spatial presentation handles directional cues effectively. Distinguishes key gameplay sounds while maintaining decent immersion. Bad value-to-cost for gaming purpose - not recommended

AAW Halcyon User Reviews

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Dunu Glacier User Reviews

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Endoki avatar Endoki
9

Luxury looking IEM with great sound quality. Sounds best with Tangzu Sancai tips

Tuning: S- Tech: S Bass: S+ Mids: A+ Treble: A+ Dynamics: S Soundstage: S+ Details: S Imaging: S
Pros
Sounds fun and clean at the same time, very engaging. Insane soundstage and 3D-holographic effect.
Cons
In some songs too energetic for long listening sessions.
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Price: $1,349

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