64 Audio U12T VS Dunu Glacier

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

64 Audio U12T and Dunu Glacier use 12BA and 1DD+4BA+4EST driver setups respectively. 64 Audio U12T costs $1,999 while Dunu Glacier costs $1,350. 64 Audio U12T is $649 more expensive. Dunu Glacier holds a decisive 1.5-point edge in reviewer scores (7.8 vs 9.3). User ratings place 64 Audio U12T at 8.2 and Dunu Glacier at 9. Dunu Glacier has significantly better treble with a 1-point edge, Dunu Glacier has significantly better dynamics with a 3-point edge and Dunu Glacier has significantly better soundstage with a 2-point edge.

Insights

Jaytiss Score
64 Audio U12T
7.8 /10
Jaytiss Score
Dunu Glacier
9.3 /10
Score gap: 1.6
Metric 64 Audio U12T Dunu Glacier
Mids 7 7
Treble 7 8
Soundstage 7 9
Dynamics 6 9
Tonality 6.8 8.3
Technicalities 7 8
Take these comparisons with a grain of salt—we don't have enough 64 Audio U12T and Dunu Glacier reviews saved yet to provide an unbiased result.

Jaytiss Reviews Comparison

64 Audio U12T reviewed by

Jaytiss 7.8 Reviewer Score
B+ Tuning
A- Tech
Just Smooth and nice, great all arounder with smooth technicals, but too boring.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A- Treble: A- Dynamics: B Soundstage: A-

Dunu Glacier reviewed by

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
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64 Audio U12T Details

Driver Configuration: 12BA

Tuning Type: Neutral with Bass Boost

Brand: 64 Audio Top 64 Audio IEMs

Price (Msrp): $1,999

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Dunu Glacier Details

Driver Configuration: 1DD+4BA+4EST

Tuning Type: Neutral with Bass Boost, U-Shaped

Brand: DUNU Top DUNU IEMs

Price (Msrp): $1,349.99

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64 Audio U12T Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B+
  • Tonality is generally agreeable, though a few bumps remind you of its limits. Certain tracks spotlight its tonal quirks.

Average Technical Grade

A-
  • The presentation feels orderly, balancing workable detail retrieval with acceptable imaging cues. It keeps momentum without smearing transients.
Mids A-
It delivers an excellent midrange that feels vibrant and true to life. It balances clarity with natural smoothness.
Treble A-
Treble performance is excellent—airy, extended, and beautifully controlled. It reveals subtle studio ambiance.
Dynamics B
The performance feels robust, with satisfying punch and natural transitions. Nuances are easy to follow.
Soundstage A-
Excellent spatial presentation that is wide, deep, and tall with precise instrument placement. Width, depth, and height all feel expanded.

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

A+
  • Layering is confident and precise, backed by imaging that locks elements firmly in place. Micro-details peek through without sounding forced.
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.

64 Audio U12T User Reviews

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wpzdm
8.2

Good old friend

Pros
Openness and imaging. Dynamic. Spacious bass. Vocals with breath and feel on live.
Cons
Vocals slightly sibilant.

Dunu Glacier User Reviews

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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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