Symphonium Crimson VS Nightjar Singularity

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

Symphonium Crimson and Nightjar Singularity use 4BA and 1DD driver setups respectively. Symphonium Crimson costs $1,500 while Nightjar Singularity costs $1,300. Symphonium Crimson is $200 more expensive. Symphonium Crimson holds a clear 0.6-point edge in reviewer scores (8.4 vs 7.9). Nightjar Singularity has better bass with a 0.6-point edge, Symphonium Crimson has better mids with a 0.7-point edge, Symphonium Crimson has slightly better treble with a 0.3-point edge, Nightjar Singularity has significantly better dynamics with a 1-point edge, Symphonium Crimson has significantly better details with a 1.6-point edge and Symphonium Crimson has significantly better imaging with a 1.3-point edge.

Insights

Metric Symphonium Crimson Nightjar Singularity
Bass 8.6 9.3
Mids 7.7 7
Treble 7.5 7.3
Details 8.1 6.5
Soundstage 8.3 7.9
Imaging 8.5 7.3
Dynamics 7 8
Tonality 8.1 8.1
Technicalities 8.3 7.4

Symphonium Crimson Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

8.4

Very Positive


Nightjar Singularity Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

7.9

Strongly Favorable


Reviews Comparison

Symphonium Crimson reviewed by Z-Reviews

Z-Reviews 9.5 * score rescaled + normalized
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

Nightjar Singularity reviewed by Z-Reviews

Z-Reviews 9 * score rescaled + normalized
Youtube Video Summary

Single 10 mm dynamic done right. Singularity hits with that coveted one-driver cohesion: a bright, energetic top end riding on subway-tunnel bass swell that feels physical without drowning the mix. Layers stack cleanly, imaging projects like a stereo in front while ambience wraps overhead, and even on modest amps the presentation stays delicate yet weighty. On better chains (think tube or high-end portables), the staging and microtexture climb further, pointing to a legitimately kilobuck-worthy tuning and execution.

Everything around the sound? Mixed. The shell is compact but a bit boxy, fit can be finicky until the right tips are found (Dunu S&S or foam-stuffed silicones help), and the accessory spread—big case, stickers, adapters to 4.4/3.5—is fine but unexciting. The stock cable is soft yet feels mismatched: hardware sized like it’s for an 8-wire, odd strain bits, and overall not $1.3k-luxury. With the IEM sitting at roughly $1,300 bundled to a $500+ “Vanguard 2-wire,” upsell options rocket pricing to absurd heights; there’s no “no-cable” variant, which is the real gripe.

Verdict: as an IEM, it’s a knockout—cohesive, exciting, and vividly dynamic to the point of becoming a daily carry. As a total package, it’s weighed down by cable bundling shenanigans and a so-so fit. With a 43 Ω load, cable influence should be minimal anyway, so the savvy move is to buy the cheapest cable option, swap in a comfortable $50 aftermarket, and enjoy one of the better-sounding single-DDs out there.


Z-Reviews original ranking

Z-Reviews Youtube Channel

Symphonium Crimson reviewed by Yifang

Yifang 8.5 Reviewer Score
S- Tuning
S- Tech

Nightjar Singularity reviewed by Yifang

Yifang 8 Reviewer Score
S- Tuning
A+ Tech

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

Nightjar Singularity reviewed by Nymz

Nymz 7.1 Reviewer Score
A Tuning
B+ Tech
One of the best basses ever inside a very small and comfortable shell. The rest of the tuning is still pristine but the technicalities are bottlenecked by the single DD.

Nymz original ranking

Nymz Website

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

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-

Nightjar Singularity reviewed by Smirk Audio

Smirk Audio 7.7 Reviewer Score
A+ Tuning
A Tech
Rich bass with great overall tuning. Pleasant timbre. Resolution could be better. Treble could use more liveliness.

Smirk Audio original ranking

Smirk Audio Head-Fi Profile

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

Symphonium Crimson (more reviews)

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 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 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+

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+

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

Nightjar Singularity (more reviews)

Nightjar Singularity reviewed by Audionotions

Audionotions 7.5 Reviewer Score
I fully expected these to be an overwhelmingly bass heavy set but instead got something quite different. Singularity bass is boomy and somewhat pillowy, extending deep and with almost atmospheric levels of elevation - seriously, just look at that frequency response... Now, pillowy is something that I don't normally associate with quality bass and it goes without saying that this adjective used to describe bass also suggests a lack of impact but it does rumble and there is meat to the bass, just lacking that harder, crisper, leading edge to the attack. And this is bad right? Well, as I am finding out, not exactly. Rather than having bass be the star of the show, instead, the bass serves as a backdrop to mids and treble which take center stage. This quite possibly the most technically proficient single DD set I've heard and trades blows with the IE900, perhaps having an edge in attack and dynamics. Transients are razor sharp and notes are very well defined. Vocals and instruments stand out and apart in the mix in a way that you usually would expect only from sets with multiple BA drivers, let alone one single DD. Timbre is pretty good as well - there is a bit of brightness here but it never is sharp or jarring - it's not the most timbrally accurate I've heard but it also doesn't have anything that sticks out to me as offensive or off putting. Instead, it seems that brightness adds to the sense of technicalities. And this is all with a very significant bass backdrop that surprisingly doesn't bleed or introduce mud into the mix. My theory (and I'm definitely not an expert here) is that if the bass were to be too punchy or impactful here, it would overwhelm the entire sound signature. But that's just my theory. This is a basshead IEM for mids and treble lovers. That said, as great as this set is, I think IE900 still holds the crown of best single DD set because I'm just a sucker for tactile bass and nothing quite matches the physicality to be found on that Senny.

Audionotions original ranking

Website (Audionotions)

Symphonium Crimson User Review Score

Average User Scores

Average User Score: n/a

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Nightjar Singularity User Review Score

Average User Scores

Average User Score: n/a

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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-

Nightjar Singularity Gaming Score

Gaming Score & Grade

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

Gaming Score

6.6

Gaming Grade

B+

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

Nightjar Singularity 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-
  • Technical chops are reliable, pairing tidy separation with a soundstage that stays conservative. Micro-detail is decent, though never spotlighted.
Bass S
You get a reference-grade low end that feels powerful, deep, and effortlessly clean. The low-end foundation sounds studio-grade.
Mids A-
Expect lifelike vocals and instruments with impressive nuance and realism. You can easily follow harmonies and backups.
Treble A-
Treble performance is excellent—airy, extended, and beautifully controlled. It reveals subtle studio ambiance.
Dynamics A+
It captures both explosive hits and delicate shifts with lifelike realism. Micro-dynamics shimmer through the mix.
Details B+
Nuance retrieval becomes reliable, highlighting expressive touches in every instrument. It rewards attentive listening.
Imaging A-
Spatial cues respond immediately, reflecting every movement in the mix. Spatial cues respond instantly to the mix.
Gaming B+
Respectable environmental presentation favors atmosphere over precision. Detects obvious directional cues while conveying game world ambiance. Bad value-to-cost for gaming purpose - not recommended

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