Thieaudio v16 Divinity and 64 Audio U12T use 16BA and 12BA driver setups respectively. Thieaudio v16 Divinity costs $1,500 while 64 Audio U12T costs $1,999. 64 Audio U12T is $499 more expensive. 64 Audio U12T holds a decisive 1.1-point edge in reviewer scores (7.4 vs 8.5). 64 Audio U12T has better bass with a 0.8-point edge, 64 Audio U12T has better mids with a 0.9-point edge, 64 Audio U12T has slightly better treble with a 0.4-point edge, 64 Audio U12T has significantly better dynamics with a 1.7-point edge, 64 Audio U12T has significantly better details with a 1.2-point edge and 64 Audio U12T has significantly better imaging with a 2.1-point edge.
Insights
Metric | Thieaudio v16 Divinity | 64 Audio U12T |
---|---|---|
Bass | 7.7 | 8.5 |
Mids | 7.3 | 8.2 |
Treble | 7.3 | 7.7 |
Details | 7.8 | 8.9 |
Soundstage | 8 | 8.2 |
Imaging | 7 | 9.1 |
Dynamics | 6 | 7.7 |
Tonality | 7.5 | 7.9 |
Technicalities | 7.6 | 8.6 |
Thieaudio v16 Divinity Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
7.4Generally Favorable
64 Audio U12T Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.5Excellent
Reviews Comparison
Thieaudio v16 Divinity reviewed by Crin
64 Audio U12T reviewed by Crin
Thieaudio v16 Divinity reviewed by Shuwa-T
64 Audio U12T reviewed by Shuwa-T
Thieaudio v16 Divinity reviewed by Tim Tuned
Tim Tuned Youtube Channel
64 Audio U12T reviewed by Tim Tuned
Tim Tuned Youtube Channel
Thieaudio v16 Divinity reviewed by Precogvision
Precogvision Youtube Channel
64 Audio U12T reviewed by Precogvision
Presentation falls short of flagship expectations—especially the stock cable, which feels flimsy and uninspiring—but the tuning is where the 64 Audio U12t earns its reputation. With a gently U-shaped response and swappable apex modules altering bass quantity (M10 leaner; M15/M20 adding a deeper, sub-bass-tilted shelf), the low end carries uncommon texture and decay for an all-BA setup while preserving BA speed and control. The sub-bass shelf levels off around 200Hz, avoiding midrange bleed and keeping the overall tonality clean and balanced.
The mids are slightly scooped yet inoffensive, with ear-gain centering near 2kHz and a tasteful dip through 2–5kHz that preserves depth without hollowing out vocals. Treble is distinctive thanks to the tia super tweeter mounted at the nozzle: a mid-treble dip followed by pronounced peaks around 15–17kHz creates a sense of airy “pseudo-treble” that some listeners (especially younger ears) perceive as bright, while others may find it dark if those upper harmonics aren’t audible. Tip choice matters—Spinfits can emphasize air, while Final E can tame the top end—making the signature unusually tunable to preference.
On the technical front, the U12t is highly resolving, pulling micro-details forward with ease, yet its transient attack has a subtle softness that gives an “analog” character rather than razor-edged sharpness. Where it truly distinguishes itself is macrodynamics—quiet-to-loud swings feel visceral and engaging, a rarity among BA designs and rivaled only by a select few dynamic-driver flagships. Summed up, it’s the “90-in-every-subject” kind of performer: maybe not the single best at any one metric, but making the fewest compromises across the board. For anyone seeking a well-rounded flagship that handles almost anything with poise, the U12t remains a top recommendation.
Precogvision Youtube Channel
64 Audio U12T (more reviews)
64 Audio U12T reviewed by Super* Review
The 64 Audio U12t lands exactly where its reputation suggests: a warm, laid-back, yet highly detailed all-rounder that stays engaging without ever turning fatiguing. With the apex M15 module, bass shifts toward a tasteful sub-bass lift that adds punch and body while keeping the midrange clean; vocals sit a touch relaxed, and the treble reaches high with smooth extension and air. Despite being an all-BA set, the low end carries surprising weight and macro-dynamics, and the overall presentation feels effortless and cohesive—“does-it-all” tuning done right.
Trade-offs are minor: timbre can sound slightly artificial at times, and dropping to the M10 module trims bass but also some excitement. Build is comfortable and compact, though the stock cable is annoyingly wiry and memory-prone. Against its stablemates, U12t stands as the benchmark: cleaner and less fatiguing than U18t, more versatile than the warmer Nio (with M15), and less head-stage wow than Trio but more universally balanced. End result: a confident 5/5 for a high-price IEM that actually feels worth chasing if this signature hits the brief.
Super* Review original ranking
Super* Review Youtube Channel64 Audio U12T reviewed by Nymz
64 Audio U12T reviewed by Audionotions
64 Audio U12T reviewed by Jays Audio
Presented as a former favorite turned cautionary tale, the 64 Audio U12t shows a **neutral-warm bass** with good texture, speed, and separation, though the **mid-bass** can feel unnecessary for a non–bass-head tuning. Trouble starts at the **3 kHz scoop**, where vocals lose presence and clarity; attempts to restore bite via added **treble** create **sharpness** instead of openness, with emphasized peaks around **13 kHz** and **17 kHz**. This combo makes volume scaling tricky—either accept **recessed vocals** or endure **fatiguing highs**—though the treble is otherwise solid from 6–10 kHz.
Technical chops are undeniably strong: **detail retrieval**, **instrument layering**, and **imaging** are top-tier, with quick attacks and clean separation across the stage. Still, the staging feels **wide yet flat**, as the recessed mids reduce depth and contrast, and dynamic tracks (K-pop/J-pop/J-rock) expose the unevenness, prompting constant volume tweaks; slower, softer material fares better. Given the vocal recession and treble fatigue, the value proposition is questioned for a **$2,000** set—alternatives like the **Variations** and **EGL7m** offer more **open, extended vocals** with smoother treble, while **RS5** and **Heyday** provide extra **warmth** without the same pitfalls.
Jays Audio Youtube Channel
64 Audio U12T reviewed by Smirk Audio
64 Audio U12T reviewed by Jaytiss
Jaytiss Youtube Channel
64 Audio U12T reviewed by IEMRanking AI
2025-09-11
The 64 Audio U12t is a mature flagship-class UIEM built around twelve balanced armatures per side and the company’s tia (open-BA) and apex pressure-relief tech; it lists at $1,999. Module options (mX/m15/m20) vary isolation from roughly −10 to −20 dB, giving modest control over perceived balance without changing the core tuning. The driver split—1 tia high, 1 high-mid, 6 mid, 4 low—aims for coherence via a 4-way crossover in a compact, aluminum shell.
Tonally the U12t trends neutral with a sub-bass lift, yielding clean mids and controlled, generally safe treble; frequency-response databases show the gentle low-end emphasis with even mids. Swapping apex modules can nudge the balance (e.g., M20 a bit more bass, M15 a touch airier) without altering the U12t’s fundamental character. Technical performance remains the calling card: resolution, imaging, layering, and BA-bass quality are repeatedly praised at the top of the class.
Trade-offs are mostly about preference and price: treble can read polite with minor quirks depending on chain and tips, and midrange body is slightly lean versus warmer sets. Given the premium MSRP, overall value hinges on prioritizing top-tier technicalities and long-session comfort via apex.
Thieaudio v16 Divinity Details
Driver Configuration: 16BA
Tuning Type: Neutral with bass boost
Top Neutral with Bass Boost IEMs
Brand: ThieAudio Top ThieAudio IEMs
Price (Msrp): $1,500
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64 Audio U12T Details
Driver Configuration: 12BA
Tuning Type: Neutral with bass boost
Top Neutral with Bass Boost IEMs
Brand: 64 Audio Top 64 Audio IEMs
Price (Msrp): $1,999
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Thieaudio v16 Divinity User Review Score
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64 Audio U12T User Review Score
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Thieaudio v16 Divinity Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.6Gaming Grade
B+64 Audio U12T Gaming Score

Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.9Gaming Grade
B+Thieaudio v16 Divinity Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
A- Good technical performance. Clear separation and decent detail retrieval across various tracks. Soundstage shows reasonable width and depth.
64 Audio U12T Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A- Well-executed tonal character. No major flaws with good technical control. Smooth presentation works with multiple genres.
Average Technical Grade
S-- Excellent clarity and detail. Precise imaging and expansive soundstage. Manages complex passages with minimal smearing and good transient speed.
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