Craft Ears Aurum VS Symphonium Crimson

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

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Craft Ears Aurum and Symphonium Crimson use 1DD+4BA+2EST and 4BA driver setups respectively. Craft Ears Aurum costs $1,400 while Symphonium Crimson costs $1,500. Symphonium Crimson is $100 more expensive. Symphonium Crimson holds a decisive 2-point edge in reviewer scores (6.5 vs 8.4). Symphonium Crimson has significantly better bass with a 2.6-point edge, Symphonium Crimson has better mids with a 0.7-point edge, Symphonium Crimson has significantly better treble with a 1.5-point edge, Symphonium Crimson has significantly better dynamics with a 1-point edge, Symphonium Crimson has significantly better details with a 2.1-point edge and Symphonium Crimson has significantly better imaging with a 2.5-point edge.

Insights

Metric Craft Ears Aurum Symphonium Crimson
Bass 6 8.6
Mids 7 7.7
Treble 6 7.5
Details 6 8.1
Soundstage 6.5 8.3
Imaging 6 8.5
Dynamics 6 7
Tonality 6.4 8.1
Technicalities 5.8 8.3
Take these comparisons with a grain of salt—we don't have enough Craft Ears Aurum reviews saved yet to provide an unbiased result.

Craft Ears Aurum Aggregated Review Score

Average Reviewer Scores

Crin
Precogvision
Head-Fi.org

Average Reviewer Score:

6.5

Mixed to Positive

Symphonium Crimson Aggregated Review Score

Average Reviewer Scores

Smirk Audio Jaytiss
Yifang Nymz Shuwa-T Precogvision Head-Fi.org
Z-Reviews Jays Audio

Average Reviewer Score:

8.4

Very Positive

Reviews Comparison

Craft Ears Aurum reviewed by Precogvision

Precogvision 6.1 Reviewer Score
B Tuning
B Tech
Somewhat strange treble tonality and generally could use some improvements for technicalities.

Precogvision original ranking

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

Symphonium Crimson reviewed by Precogvision

Precogvision 8 Reviewer Score
A+ Tuning
A+ Tech
Colored tonality done correctly with incredible bass and dynamics. Upper-treble can be slightly too zingy depending on source.

Precogvision original ranking

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

Craft Ears Aurum reviewed by Head-Fi.org

Head-Fi.org 7.8 * score rescaled + normalized
8 community members have rated the Craft Ears Aurum at an average of 4.2/5 on Head-Fi. Overall sentiment: Very Positive.

URL to full Review

Head-Fi.org original ranking

Symphonium Crimson reviewed by Head-Fi.org

Head-Fi.org 8.3 * score rescaled + normalized
29 community members have rated the Symphonium Crimson at an average of 4.4/5 on Head-Fi. Overall sentiment: Excellent.

URL to full Review

Head-Fi.org original ranking

Craft Ears Aurum (more reviews)

Craft Ears Aurum reviewed by Crin

Crin 5.5 Reviewer Score
B+ Tuning
B- Tech
check links for more info:

Crin original ranking

Crin Youtube Channel

Symphonium Crimson (more reviews)

Symphonium Crimson reviewed by Z-Reviews

Z-Reviews 9.5 * score rescaled + normalized
YouTube video thumbnail
Youtube Video Summary

Symphonium Crimson lands with a bang: a four–BA, four-way crossover design that somehow delivers epic energy without a dynamic driver. Tonality reads neutral-bright with thunderous sub-bass—not a basshead hump, but a slab of solid, deep extension that stays clean. Mids stay clear for vocals and strings, treble rises for sparkle and excitement, and the presentation spreads out like pulled-apart audio “shreds” across a big canvas. The effect is clarity, detail, and slam that feel bigger than the driver count suggests, making music and film scores straight-up addictive.

Technical notes matter here. Nominal impedance is a weirdly low ~6Ω, so source pairing can swing results; the set scales and sounds happiest on robust gear that can keep low-impedance loads stable. Despite the armature array, coherency stays intact, dynamics hit harder than expected, and volume headroom invites goosebumps. It’s not a “bass monster,” yet the sub-bass authority and lively treble make it exciting rather than polite, with imaging that feels wide and tactile.

Ergonomics are the gripe list: the short nozzle can challenge seal and the premium cable lacks a formed ear hook, encouraging twist and loosening—tip rolling (even reversed-orientation tricks) helps. Build is flashy—carbon-fiber shell, red inlays, metal case that’s too hefty for travel. Pricing sits around $1,500 (or $1,700 with 8-wire cable); for sheer fun, impact, and best-in-brand performance, the value argument holds. For all-day softness, something like Twilight stays comfier; for movies, big scores, and “wow” sessions, Crimson feels like a must-grab and arguably the best Symphonium to date.

Z-Reviews original ranking

Z-Reviews Youtube Channel

Symphonium Crimson reviewed by Jays Audio

Jays Audio 9 Reviewer Score
S Tuning
S Tech
U-shaped/Slight V/W Shaped. Energetic treble. Great tech. Fun signature.

Jays Audio original ranking

Jays Audio Youtube Channel

Symphonium Crimson reviewed by Yifang

Yifang 8.5 Reviewer Score
S- Tuning
S- Tech
check links for more info:

Yifang original ranking

Yifang Youtube Channel

Symphonium Crimson reviewed by Nymz

Nymz 8.5 Reviewer Score
A+ Tuning
S- Tech
Great bass, holographic stage and top of the shelf dynamics. Probably my favourite rendition of a W-shaped tuning to this date. Treble might be spicy for some, but using Divinus Velvets (stock black) seem to help a lot.

Nymz original ranking

Nymz Website

Bass: S Mids: A+ Treble: A+ Details: A+ Imaging: S

Symphonium Crimson reviewed by Shuwa-T

Shuwa-T 8.4 Reviewer Score
A+ Tuning
S- Tech
The bassier Helios with no sacrifices to clarity

Shuwa-T original ranking

Shuwa-T Website

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

Symphonium Crimson reviewed by Smirk Audio

Smirk Audio 7.9 Reviewer Score
A Tuning
A+ Tech
Excellent bass, dynamics, and resolution. Very large soundstage with great imaging. Mid/upper-treble may be too elevated for some.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

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

Symphonium Crimson reviewed by Jaytiss

Jaytiss 7.8 Reviewer Score
B+ Tuning
A- Tech
Suffers from BA bass, and super Zingie Treble.

Jaytiss original ranking

Jaytiss Youtube Channel
Mids: A- Treble: A- Dynamics: C+ Soundstage: A+

Craft Ears Aurum User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Symphonium Crimson User Review Score

Average User Scores

Average User Score: n/a

Based on 0 user reviews

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Craft Ears Aurum Gaming Score

Gaming Score & Grade

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

Gaming Score

4.9

Gaming Grade

C

Symphonium Crimson Gaming Score

Gaming Score & Grade

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

Gaming Score

7.2

Gaming Grade

A-

Craft Ears Aurum Scorings

Average Technical & Tuning Grades

Average Tunign Grade

B
  • The tuning leans easygoing, yet occasional unevenness nudges it away from greatness. A bit of EQ polish can smooth things nicely.

Average Technical Grade

B-
  • Overall technicalities are acceptable, delivering enough clarity for casual sessions. Imaging is serviceable though not immersive.
Bass B
Expect a solid thump that keeps the rhythm engaging yet controlled. Sub-bass presence is supportive, not overwhelming.
Mids A-
Midrange performance is excellent, with natural timbre and great detail. Vocals feel lifelike and full-bodied.
Treble B
Highs sound lively and extended while remaining controlled. Detail retrieval keeps shimmer intact.
Dynamics B
Expect energetic dynamics that bring music to life without harshness. It injects enthusiasm into fast music.
Details B
Nuance retrieval becomes reliable, highlighting expressive touches in every instrument. It rewards attentive listening.
Imaging B
Instrument boundaries feel well carved, avoiding smear or drift. Instrument outlines feel well-defined.
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

Symphonium Crimson Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A+
  • Tuning feels refined, blending frequencies with convincing realism and engagement. Transitions between registers feel effortless.

Average Technical Grade

A+
  • It sounds refined and controlled, keeping instruments neatly separated with immersive staging. Busy arrangements remain neatly organized.
Bass S-
Expect a gripping low-end presence that marries clarity with visceral impact. Dynamic swings land with thrilling force.
Mids A
The mid band shines with organic tone and finely rendered textures. Long sessions remain fatigue-free.
Treble A
Highs feel superbly executed, revealing micro-detail without hint of sibilance. Highs stay smooth even at volume.
Dynamics A-
Dynamic performance is excellent, combining sharp transients with strong contrast. Transients snap with authority.
Soundstage A+
A panoramic, wraparound presentation suspends each element in a convincingly airy bubble. Instruments float with pinpoint spacing.
Details A+
Exceptional resolution that uncovers the deepest layers while maintaining natural timbre. It uncovers hidden layers with ease.
Imaging S-
Even dense mixes remain locked in place, reinforcing the illusion of physical performers. The stage remains stable regardless of complexity.
Gaming A-
Good fundamental spatial awareness for most gaming scenarios. Handles basic positioning well but may lack nuance in complex situations. Bad value-to-cost for gaming purpose - not recommended

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