IEMs Reviewed by Precogvision

Precogvision IEM Tier List

Home Reviewer Precogvision
Precogvision Info
IEMs Reviewed: 537
Average score given: 4.9

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Precogvision (Theo Lee) is a respected IEM reviewer known for his highly critical and subjective assessments, establishing a reputation for uncompromising honesty even toward acclaimed or expensive models. He emphasizes listening first before measuring, prioritizing subjective sound evaluation over graphs while acknowledging measurements' role in confirming his auditory perceptions. Specializing in high-end in-ear monitors, his reviews balance technical analysis with accessible descriptions of tonal characteristics and real-world performance, reflecting his background in both audio journalism and healthcare data analysis.
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Top 10 IEMs by score-to-price ratio based on the selected filters. Click a point to view the IEM.

Comparison of sound metrics for the top 3 IEMs.

Grade Price Name Tuning Drivers Reviews Scores
S
$5,200

Subtonic STORM

  • Precogvision: Easily at the top for resolution and dynamic contrast, accompanied by rigid transients and pinpoint layering.
Tuning: S- Tech: S Bass: S Mids: A+ Treble: S Dynamics: S+ Details: S+ Imaging: S
Neutral with Bass Boost 5BA+2EST+2SLAM
9.1
S-
$3,500

Elysian Annihilator 2021

  • Precogvision: Agressive listen with excellent resolution and, currently, the only true implementation of the EST drivers.
Tuning: A+ Tech: S Bass: A- Mids: A- Treble: S+ Dynamics: S Details: S+ Imaging: A+
U-Shaped 1DD+4BA+2EST
YouTube video thumbnail
8.7
S-
$2,999

Elysian Annihilator 2023

  • Precogvision: More of an all-rounder with better bass compared to the 2021 version, sacrifices some soundstage.
Tuning: A+ Tech: S- Bass: A+ Mids: A- Treble: S+ Dynamics: S Details: S+ Imaging: A-
U-Shaped 1DD+4BA+2EST
YouTube video thumbnail
8.7
S-
$16,999

Brise Audio Fugaku

  • Precogvision: World-class bass with incredible depth and dynamics. Held back by a slightly unrefined treble response.
Tuning: S- Tech: S Bass: S+ Mids: A+ Treble: A+ Dynamics: S+ Details: S Imaging: A+
U-Shaped 2DD+5BA+1MEMS
YouTube video thumbnail
8.7
S-
Product Image
$1,999
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64 Audio U12T
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64 Audio U12T

  • Precogvision: Terrific dynamic range and soundstage depth; the closest I have heard to a two-channel system in an IEM for these qualities.
Tuning: A+ Tech: S- Bass: A+ Mids: S Treble: A- Dynamics: A+ Details: S Imaging: S
Neutral with Bass Boost 12BA
YouTube video thumbnail
8.6
8.2
A+
$3,800

7th Acoustics Asteria

  • Precogvision: Pretty much the closest to a tonal panacea that I've heard only held back by the bass.
Tuning: S Tech: A+ Bass: A+ Mids: S+ Treble: S Dynamics: A+ Details: A+ Imaging: A+
U-Shaped 1DD+12BA
YouTube video thumbnail
8.3
A+
$1,550

Symphonium x Elise Audio Europa

  • Precogvision: Slightly more tame than the Crimson but more well-rounded as a result. Something like a slightly refined U12t.
Tuning: A+ Tech: A+ Bass: S Mids: A+ Treble: A+ Dynamics: A+ Details: A+ Imaging: A+
Neutral with Bass Boost 4BA
YouTube video thumbnail
8.1
A+
$3,400

Empire Ears Odin

  • Precogvision: High-clarity signature that invokes a sense of stateliness.
Tuning: A+ Tech: A Bass: S Mids: A+ Treble: A+ Dynamics: B Details: S+ Imaging: A-
Neutral with Bass Boost 2DD+5BA+4EST
8
A+
$4,500

Elysian X

  • Precogvision: Basically a more sub-bass focused Annihilator 2021 with some trade-offs in technicalities.
Tuning: A+ Tech: A Bass: A+ Mids: A+ Treble: S Dynamics: A- Details: S Imaging: A-
V-Shaped 1DD+4BA+4EST
8
A+
$1,500

Symphonium Crimson

  • Precogvision: Colored tonality done correctly with incredible bass and dynamics. Upper-treble can be slightly too zingy depending on source.
Tuning: A+ Tech: A+ Bass: S Mids: A+ Treble: A- Dynamics: A+ Details: A+ Imaging: A+
U-Shaped 4BA
8
A+
$3,600

Empire Ears Raven

  • Precogvision: Sounds quite hi-fi and grand sounding, but coherency could use work - bass is distinct from the EST tweeters.
Tuning: A- Tech: S- Bass: A+ Mids: A+ Treble: B Dynamics: A+ Details: S Imaging: S
n/a 2DD+5BA+4EST+1BC
8
A+
n/a

Astell & Kern Novus

  • Precogvision: Colored and unconventionally tuned, in a good way, with top-tier technical performance.
n/a n/a
8
A+
$4,200

Hercules Audio Moses

  • Precogvision: Precogvision rated Hercules Audio Moses with a score of 8.0/10 without adding a comment.
Neutral with Bass Boost 1DD+4BA+4EST
8
A+
n/a

Mystic Audio HEX

  • Precogvision: Precogvision rated Mystic Audio HEX with a score of 8.0/10 without adding a comment.
n/a n/a
8
A
$1,700

Sony IER Z1R

  • Precogvision: Top-tier bass, treble, and soundstage height and width. I don't approve of the midrange these days.
Tuning: A+ Tech: A Bass: S+ Mids: B Treble: A+ Dynamics: A- Details: A- Imaging: S
V-Shaped 2DD+1BA
YouTube video thumbnail
7.9
A
$1,600

Elysian Diva

  • Precogvision: Excellent BA bass and aggressive listen that maintains Elysian's house sound.
Tuning: A Tech: A Bass: A+ Mids: A+ Treble: A- Dynamics: A+ Details: A+ Imaging: A-
Neutral 6BA
7.8
8.5
A
$1,100

Symphonium Helios

  • Precogvision: Great technicalities. Lacking that last leg of refinement in terms of coherency.
Tuning: A Tech: A- Bass: A- Mids: A+ Treble: A+ Dynamics: A- Details: A+ Imaging: A-
Neutral with Bass Boost 4BA
YouTube video thumbnail
7.7
A-
$1,300

Effect Audio x Elysian Gaea

  • Precogvision: Fantastic clarity at the expense of sounding somewhat dry.
Tuning: A- Tech: A+ Bass: A+ Mids: A- Treble: A- Dynamics: A+ Details: S Imaging: A-
U-Shaped 1DD+4BA
7.4
7.4
A-
$1,000

Sony IER-M9

  • Precogvision: Boring, but you won't find anything more well-rounded for the price. Exceptional timbre for a BA IEM.
Tuning: A- Tech: B+ Bass: A- Mids: A+ Treble: A- Dynamics: C+ Details: A+ Imaging: A-
Neutral 5BA
7.4
7.5
A-
$1,150

Symphonium Helios SE

  • Precogvision: See Helios but with more mid-treble and mid-bass.
Tuning: A- Tech: A- Bass: A- Mids: A+ Treble: A- Dynamics: A- Details: A+ Imaging: A-
Neutral 4BA
YouTube video thumbnail
7.4
A-
$3,100

Empire Ears EVO

  • Precogvision: An improvment over the LX SE's bass, but still lacking in the Odin's control. BC is no gimmick at least.
Tuning: A- Tech: A Bass: S Mids: B Treble: A- Dynamics: A- Details: A+ Imaging: A+
n/a 2DD+5BA+1BC
7.3
A-
$850

7th Acoustics Supernova

  • Precogvision: Nearly immaculate tonality, coherency, and timbre with reasonably good technicalities.
Tuning: A+ Tech: A- Bass: A- Mids: S Treble: A+ Dynamics: A- Details: B Imaging: A+
Neutral with Bass Boost 6BA
7.3
A-
$399

Yu9 Que

  • Precogvision: Exceptional tuning and treble refinement; sets the benchmark at $400.
Tuning: A+ Tech: A- Bass: A+ Mids: A+ Treble: A+ Dynamics: A- Details: A- Imaging: A-
Neutral with Bass Boost 1DD+3BA
YouTube video thumbnail
7.3
8.5
A-
$1,000

Unique Melody MEST

  • Precogvision: Engaging imaging with some minor coherency issues.
Tuning: A- Tech: A Bass: A- Mids: A+ Treble: B Dynamics: B Details: A+ Imaging: S
Warm 1DD+4BA+2EST+1BC
7.2
A-
$2,400

Empire Ears Legend X SE

  • Precogvision: Lacks control in the bass, but it's so fun. Excellent imaging performance that belies its tuning.
Tuning: A- Tech: A- Bass: A+ Mids: A- Treble: A- Dynamics: B Details: A+ Imaging: A+
V-Shaped 2DD+5BA
7.2
A-
$700

Moondrop S8

  • Precogvision: Excellent treble extension and detail retrieval.
Tuning: A- Tech: A- Bass: B Mids: A+ Treble: A+ Dynamics: B Details: A+ Imaging: A-
U-Shaped 8BA
7.1
A-
$2,500

Audeze LCDi4

  • Precogvision: Top-tier imaging and layering, DSP is mandated for proper tonal balance.
Tuning: A- Tech: S- Bass: A- Mids: A- Treble: A- Dynamics: B Details: S+ Imaging: S+
Neutral n/a
7.1
A-
$3,300

Hidition Violet

  • Precogvision: The best BA bass that I have heard, otherwise marred by poor imaging and slight congestion issues.
Tuning: A- Tech: B+ Bass: A+ Mids: A- Treble: A- Dynamics: A- Details: A- Imaging: B
Warm 13BA
7
A-
$6,000

Oriolus Traillii

  • Precogvision: Dull microdynamics and treble at a not-so-dull price.
Tuning: A- Tech: A- Bass: B Mids: S Treble: B Dynamics: C+ Details: S Imaging: A-
Neutral with Bass Boost 8BA+4EST
7
A-
$3,400

Empire Ears x Astell&Kern Odyssey

  • Precogvision: Generally reminiscent of the Empire Ears EVO with a more relaxed upper-midrange and more extended upper-treble.
n/a n/a
7
A-
n/a

InEar Prophile P8

  • Precogvision: Excellent, slightly warm-reference tonality with very strong separation despite average staging.
n/a n/a
7
A-
$799

Moondrop Dark Saber

  • Precogvision: Basically the Moondrop S8 with a dynamic driver for the bass.
n/a 2DD+8BA
7
A-
$1,100

qdc Anole V6

  • Precogvision: Fantastic tonality - sounds like an SA6 with better treble extension. Just very well-rounded overall.
Neutral 6BA
7
A-
$8,000

Oriolus Traillii Ti

  • Precogvision: Well executed tuning with good detail pick-up. Falls short in dynamics and imaging performance due to lackluster treble response.
Neutral with Bass Boost 8BA+4EST
7
A-
$2,700

Unique Melody MEST Indigo

  • Precogvision: Basically a more bass-heavy MEST MKII with some slight setbacks in treble extension.
Neutral with Bass Boost 1DD+4BA+4EST+1BC
7
A-
$3,900

Vision Ears PHNIX

  • Precogvision: Essentially an Erlkonig on Setting 3 with more treble extension.
n/a n/a
7
A-
$2,500

Melodic Artification Alter Ego

  • Precogvision: Well-tuned set that straddles the line between neutral with bass boost and desirable colorations.
W-Shaped 1DD+4BA+4EST
7
A-
$1,800

Noble Audio Spartacus

  • Precogvision: Well-tuned, warm and colored with some sparkle in the lower-to-mid treble. Very pleasant and bass is not bad at all.
n/a n/a
7
A-
$1,900

Unique Melody MEST MK3

  • Precogvision: Basically sounds very similar to the Indigo version.
Neutral with Bass Boost 1DD+4BA+4EST+1BC
7
A-
$3,500

Canpur CP622B

  • Precogvision: Precogvision rated Canpur CP622B with a score of 7.0/10 without adding a comment.
Neutral with Bass Boost 6BA+2EST+2BC
7
A-
n/a

Canpur CP752B

  • Precogvision: Precogvision rated Canpur CP752B with a score of 7.0/10 without adding a comment.
n/a n/a
7
A-
$2,000

Unique Melody MEST Jet Black

  • Precogvision: Thick timbre and Hi-fi sound. Slightly spicy mid-treble but barely noticeable.
W-Shaped n/a
7
B+
$1,400

64 Audio Solo

  • Precogvision: Warm and shimmery with excellent imaging. Dampening in the mid-treble elevates this above the standard planar IEM experience.
Tuning: B+ Tech: A- Bass: B Mids: A- Treble: A- Dynamics: A- Details: A- Imaging: A-
n/a n/a
6.9
B+
$2,500

qdc Anole VX

  • Precogvision: Very well-rounded, but sounds overly plasticky and artificial.
Tuning: B+ Tech: A- Bass: B Mids: A+ Treble: B Dynamics: C+ Details: S Imaging: A-
Neutral 10BA
YouTube video thumbnail
6.9
B+
$1,100

Campfire Andromeda 2020

  • Precogvision: Out-of-head imaging, plus terrific layering chops and musicality. Stay away if you want good bass.
Tuning: B+ Tech: A- Bass: C+ Mids: A- Treble: A+ Dynamics: C+ Details: A- Imaging: S
n/a 5BA
6.9
B+
$1,900

Vision Ears VE7

  • Precogvision: Very pleasant tonal balance for the astute midrange connoisseur and solid technicalities.
Tuning: A- Tech: B Bass: B Mids: S Treble: A- Dynamics: B Details: A- Imaging: B
Warm 7BA
6.9
B+
$1,250

Hyla Sarda

  • Precogvision: Fantastic bass response and strong clarity in the upper-midrange. However, can be genre dependent.
Tuning: A- Tech: B+ Bass: S Mids: B Treble: B Dynamics: A- Details: B Imaging: A-
U-Shaped 1DD+2BA+1PZ
6.9
B+
$550

Dunu SA6 Ultra

  • Precogvision: A slightly refined SA6 with better treble extension. Very coherent.
Tuning: A- Tech: B Bass: B Mids: A+ Treble: A- Dynamics: B Details: B Imaging: B
Neutral 6BA
6.7
B+
$950

Hidition Viento

  • Precogvision: Reference-lean tuning with strong upper mids and mid-treble; superb microdynamics but average imaging and a finicky deep-fit nozzle. The CIEM version reportedly fixes some of these issues.  Excellent microdynamic contrast that makes low-level nuances pop.  Lean note weight with mid-treble ring and an uncomfortable long nozzle, plus average imaging versus its peers.
Tuning: B+ Tech: B+ Bass: B+ Mids: B+ Treble: B Dynamics: A- Soundstage: B+ Details: A- Imaging: B+
Neutral 4BA
YouTube video thumbnail
6.6
B+
$330

Moondrop B2: Dusk

  • Precogvision: Terrific tonal balance and bass shelf, but with slightly gritty treble and poor bass texturing.
Tuning: B+ Tech: B Bass: B Mids: A+ Treble: B Dynamics: B Details: B Imaging: B
n/a 1DD+4BA
6.6
B+
$3,000

64 Audio U18S

  • Precogvision: A worse U12t. Lacks U12t's dynamic range and layering chops.
Tuning: B+ Tech: A- Bass: B Mids: A+ Treble: B Dynamics: B Details: A+ Imaging: A-
Neutral with Bass Boost 18BA
6.5
B+
$550

Dunu SA6

  • Precogvision: Slightly "wet" characteristic that takes the edge off of the qdc-inspired tuning. Very pleasant on the ears.
Tuning: B+ Tech: B- Bass: B Mids: A+ Treble: B Dynamics: B Details: B Imaging: C+
Neutral 6BA
6.5
B+
$3,000

qdc Anole V14

  • Precogvision: Fixes Anole VX's bass texture and plastickyness, but comes with its own quirks in the metallic treble.
Tuning: B Tech: A- Bass: A- Mids: A- Treble: C+ Dynamics: B Details: A+ Imaging: A+
Neutral 10BA+4EST
6.5
B+
$300

Sony XBA-N3

  • Precogvision: Sinfully addictive tuning hampered only by a slight lack of detail and imaging performance.
Tuning: A- Tech: B- Bass: A+ Mids: A- Treble: A- Dynamics: B Details: B Imaging: C+
Warm 1DD+1BA
6.5
B+
n/a

64 Audio U3t

  • Precogvision: Basically an ever-so-slightly scaled back U6t.
n/a n/a
6.5
B+
$1,900

Fatfreq Maestro SE

  • Precogvision: Grand Maestro with an even more controlled sub-bass boost for more of a sub-woofer characteristic.
Neutral with Bass Boost 1DD+7BA+4EST
6.5
B
$3,600

64 Audio Fourte

  • Precogvision: Tia Trio's older brother that takes things too far off the beaten path for tonality.
Tuning: C+ Tech: A+ Bass: B Mids: C- Treble: C+ Dynamics: S Details: S Imaging: A-
Warm 1DD+3BA
6.4
B
$900

Symphonium Triton

  • Precogvision: Pleasing tonal balance and coherency, but not the last word in detail, especially relative to the Helios.
Tuning: A- Tech: B Bass: B Mids: A+ Treble: A- Dynamics: B Details: B Imaging: A-
Neutral 1DD+2BA
6.4
B
$1,200

64 Audio Duo

  • Precogvision: Strong dynamics and easy-going signature that could use more detail in the midrange.
Tuning: A- Tech: B Bass: A+ Mids: A- Treble: A- Dynamics: A- Details: C+ Imaging: B
Neutral with Bass Boost 1DD+1BA
6.4
B
$670

LetShuoer EJ07M

  • Precogvision: Excellent tonality and dynamic bass held back only by a lack of intangible performance.
Tuning: A- Tech: B Bass: A+ Mids: A+ Treble: B Dynamics: B Details: B Imaging: B
U-Shaped 1DD+2BA+4EST
6.4
B
$669

Letshuore EJ07M Kinda Lava

  • Precogvision: Basically the EJ07M with some adjustment to the bass for more clarity.
Tuning: A- Tech: B Bass: A+ Mids: A+ Treble: B Dynamics: B Details: B Imaging: B
V-Shaped n/a
6.4
B
$3,700

64 Audio Fourte Blanc

  • Precogvision: Quite detailed, but lots of uncanny valley in the midrange (sounds like singers are singing into a cup) and treble is contentiously bright.
Tuning: B- Tech: A Bass: A- Mids: C- Treble: B Dynamics: A- Details: S Imaging: A-
Warm 1DD+3BA
6.4
B
$1,400

Softears Turii

  • Precogvision: One of the more technically proficient single-DDs on the market.
Tuning: B Tech: B+ Bass: B Mids: A- Treble: B Dynamics: A- Details: A- Imaging: B
V-Shaped 1DD
6.3
B
$900

DUNU Zen Pro

  • Precogvision: Solid tuning with good speed. Could use more air and some minor work in the treble.
Tuning: B Tech: B+ Bass: A- Mids: B Treble: B Dynamics: A- Details: A- Imaging: B
Neutral 1DD
6.3
B
$1,500

Custom Art Fibae 7 Unlimited

  • Precogvision: Excellent imaging and staging, but treble can be splashy due to too much upper-treble.
Tuning: B Tech: A- Bass: C+ Mids: A- Treble: B Dynamics: B Details: A- Imaging: A+
Neutral 7BA
6.3
B
n/a

Noble Audio Viking Ragnar

  • Precogvision: Sharp and defined presentation, particularly in the mid-treble. Sounds somewhat digital as a result.
Tuning: B Tech: A-
n/a n/a
6.3
B
$589

Thieaudio Oracle MKIII

  • Precogvision: Pretty detailed but sounds incoherent, particularly in the treble, which also seems exaggerated in a bad way.
Tuning: B Tech: A- Bass: B Mids: B Treble: B Dynamics: B Details: A+ Imaging: A-
Neutral with Bass Boost 2DD+2BA+2EST
6.3
B
$4,500

Vision Ears Erlkonig

  • Precogvision: Good detail retrieval and tonal balance on settings 3 & 4. Poor midrange micro-dynamics, though, and quite boring.
Tuning: B- Tech: A- Bass: C+ Mids: A- Treble: C+ Dynamics: B Details: S Imaging: A-
Neutral 13BA
6.3
B
$1,100

64 Audio A4s

  • Precogvision: Wonderful bass shelf, but could use some work in the treble regions.
Tuning: B+ Tech: B Bass: A- Mids: A- Treble: B Dynamics: B Details: B Imaging: B
n/a 1DD+3BA
6.2
B
$2,300

Empire Ears LEGEND-X

  • Precogvision: Bass lacks texture, but a fairly holographic, "grand" presentation that is unique for a V-shaped response.
Tuning: B Tech: B+ Bass: B Mids: B Treble: B Dynamics: B Details: A- Imaging: A-
V-Shaped 2DD+5BA
6.2
B
$450

Fatfreq Maestro Mini

  • Precogvision: Extreme basshead's dream. Incredible sub-bass shelf while maintaining midrange and treble balance.
Tuning: A- Tech: B- Bass: A+ Mids: B Treble: A- Dynamics: B Details: C+ Imaging: B
Neutral with Bass Boost 1DD+2BA
6.2
B
$3,400

Lime Ears Anima

  • Precogvision: Vocals have an odd pinna rise. Basically like someone took the Moondrop Variations and made it sound weird.
Tuning: B Tech: B+ Bass: A- Mids: C+ Treble: B Dynamics: B Details: A- Imaging: A-
n/a n/a
6.2
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