Linsoul x HBB Jupiter VS Nightjar Singularity

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

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Linsoul x HBB Jupiter and Nightjar Singularity use 1DD+6BA+4EST and 1DD driver setups respectively. Linsoul x HBB Jupiter costs $1,599 while Nightjar Singularity costs $1,300. Linsoul x HBB Jupiter is $299 more expensive. Linsoul x HBB Jupiter holds a clear 0.5-point edge in reviewer scores (8.3 vs 7.9). Nightjar Singularity has significantly better bass with a 1.3-point edge, Nightjar Singularity has slightly better treble with a 0.3-point edge, Linsoul x HBB Jupiter has significantly better dynamics with a 1-point edge, Linsoul x HBB Jupiter has significantly better details with a 1-point edge and Linsoul x HBB Jupiter has slightly better imaging with a 0.3-point edge.

Insights

Metric Linsoul x HBB Jupiter Nightjar Singularity
Bass 8 9.3
Mids 6.8 7
Treble 7 7.3
Details 7.5 6.5
Soundstage 7.8 7.9
Imaging 7.5 7.3
Dynamics 9 8
Tonality 7.9 8.1
Technicalities 7.8 7.4

Linsoul x HBB Jupiter Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

8.3

Very Positive


Nightjar Singularity Aggregated Review Score

Average Reviewer Scores

Average Reviewer Score:

7.9

Strongly Favorable


Reviews Comparison

Linsoul x HBB Jupiter (more reviews)

Linsoul x HBB Jupiter reviewed by Jaytiss

Jaytiss 8.6 Reviewer Score
A Tuning
A- Tech
Great BASS, blarg trebble.
Youtube Video Summary

Premium build with a large, Monarch-like shell that sits extremely comfortably, accented by subtle blue flecks and a secure nozzle lip. The bundled 4.4mm cable feels upscale, while the case and tips are serviceable. There’s noted pricing controversy—an initial teaser around $1,000 for a handful of units before settling near $1,600—but the product itself presents as a polished, high-value package.

Sonically, this is a strong, impactful bass tuning with rich warmth that never smothers the mids. Female vocals pop, instrumentals sound lifelike, and earlier worries about a dark treble prove overstated; the tonal balance feels right and cohesive. Sub-bass digs deep, mid-bass hits with authority, and the overall presentation is sweet, engaging, and musical—the sort of set that invites long sessions without fatigue. It comes across as a top-tier collaboration with a crowd-pleasing signature for bass lovers who still care about clarity and timbre.

In comparisons, Dunu’s Mirai reads brighter and leaner with issues like hiss and channel imbalance on the sample heard, scoring around “three stars,” while Jupiter earns a decisive “five-star” nod. Against heavy hitters like Elysian Annihilator and Grand Maestro, those sets feel more resolute, but Jupiter is more fun, with a richer, sweeter tonality. Versus Fatfreq Scarlet Mini, Jupiter offers just-right bass (rolling off warmth around ~200 Hz) rather than excess. The conclusion is emphatic: a 9.04/10, described as a “love letter” to bassheads and one of the finest pure basshead tunings heard—highly recommended, especially if a second-hand deal brings the price closer to earth.

Mids: B Treble: A- Dynamics: S Soundstage: S-

Jaytiss original ranking

Jaytiss Youtube Channel

Linsoul x HBB Jupiter reviewed by Bad Guy Good Audio

Bad Guy Good Audio 8.1 Reviewer Score
A+ Tuning
A+ Tech
Youtube Video Summary

Linsoul x HBB Jupiter aims straight for flagship territory: a warm-tilted, slam-capable set that keeps the mid-bass → mids transition impeccably tidy. There’s real shove at 55 Hz and healthy weight around 100 Hz, but from ~200–300 Hz the response dips with intent, avoiding bleed and preserving vocal clarity. The result is a low end that thunders on hip-hop and classic rock kick drums while keeping male vocals husky but clean and female vocals free of mud. Upper mids and treble track more like Helios SE, Subtonic Storm, “the Bird,” Letshuoer Cadenza, and “Dawn” than like shoutier sets; energy near 5 kHz is moderated, and sparkle up around 12 kHz stays present without spike.

Hardware backs the tuning: an 11-driver array with 4 EST, a dynamic for the heavy lifting, and BAs smoothing the handoff into the mids. That division of labor helps with resolution and separation—handling tricky passages (distorted guitars, busy bass+kick overlaps) with composure and less masking than many DD-centric rivals. The overall presentation reads as warm, punchy, and refined: more bass authority than the comparison set list, mids that sit centered rather than in-your-face, and treble detail that reveals micro-stuff without tipping into fatigue.

Build and accessories match the premium pitch, including the beloved (and pricey) Linsoul Loops cable that visually suits the green/gold shells. Pricing is high, yet the claim is that it outperforms peers that cost similar or more by marrying sub-bass power to disciplined midrange and tasteful air. For listeners whose libraries span hip-hop, rock, R&B, and even classical, Jupiter reads as a statement piece: big-boy bass, clean mid articulation, and high-tier treble finesse—tuned to deliver musical weight without sacrificing balance.

Bass: A+ Mids: A- Treble: A-

Bad Guy Good Audio original ranking

Bad Guy Good Audio Youtube Channel

Linsoul x HBB Jupiter reviewed by Shuwa-T

Shuwa-T 7.4 Reviewer Score
A Tuning
A- Tech
Bass go boom boom Because bass go boom boom so the highs go doom doom sometimes

Shuwa-T original ranking

Shuwa-T Website

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

Linsoul x HBB Jupiter reviewed by Head-Fi.org

Head-Fi.org 9 * score rescaled + normalized
One community member has rated the Linsoul x HBB Jupiter at an average of 5.0/5 on Head-Fi. Overall sentiment: Masterpiece.

URL to full Review

Head-Fi.org original ranking

Linsoul x HBB Jupiter reviewed by Web Search

uses AI-Search to turn user, reddit and head-fi reviews into clear, concise summaries.
Web Search 8.5 Reviewer Score
S- Tuning
S Tech

The Linsoul x HBB Jupiter delivers a powerful bass-forward signature with an 11dB sub-bass shelf that avoids bleeding into the mids, resulting in a warm yet articulate low end. Its hybrid driver setup combines a 10mm dynamic driver with Sonion BAs for texture and speed, while four modified EST drivers provide extended, non-fatiguing treble with excellent air and detail retrieval. Vocals and instruments retain clarity despite the bass emphasis, making it versatile across genres like rock and electronic.

Technical performance stands out with precise imaging and a spacious soundstage that feels both wide and deep. The 5-way crossover ensures strong coherence across the tribrid array, though the upper mids occasionally present vocals as overly forward. Comfort is solid despite the 11-driver shells, but the sparse accessories and forgettable packaging feel mismatched for the price.

While positioned above competitors like the ThieAudio Monarch MKIII, the Jupiter justifies its cost with superior resolution and a more engaging bass response. However, its limited marketing and awkward pricing may hinder broader adoption. The included premium cable and ergonomic design are highlights, though tip selection could be more comprehensive.


Nightjar Singularity (more reviews)

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

Nightjar Singularity reviewed by Yifang

Yifang 8 Reviewer Score
S- Tuning
A+ Tech

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

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)

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-

Linsoul x HBB Jupiter 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

Based on 0 user reviews

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Linsoul x HBB Jupiter Gaming Score

Gaming Score & Grade

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

Gaming Score

6.3

Gaming Grade

B

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+

Linsoul x HBB Jupiter Scorings

Average Technical & Tuning Grades

Average Tunign Grade

A
  • Tuning feels well executed, keeping a natural flow across the spectrum. Switching genres feels seamless.

Average Technical Grade

A
  • It delivers a confident technical showing with defined layers and satisfying clarity. You can follow backing vocals with relative ease.
Bass A+
The bass digs deep with authority while staying impeccably textured. No sense of bloom muddies the mids.
Mids B+
The region sounds composed and expressive, giving vocals a natural spotlight. It keeps vocals front and center nicely.
Treble A-
Expect effortless extension and clarity that keep the top end sparkling yet smooth. Layering in upper registers is impressive.
Dynamics S
Dynamics reach reference class, delivering lightning-fast transients and perfect contrast. Every transient feels lightning fast.
Soundstage A
You hear both the breadth and the altitude of the mix, anchored by accurate positional cues. Immersion improves across genres.
Details A
Micro-details glide to the forefront effortlessly while timbre remains natural. Ambient cues are vivid and lifelike.
Imaging A
Depth mapping feels natural and accurate, supporting convincing immersion. Depth mapping feels precise and natural.
Gaming B
Decent spatial awareness for fundamental positioning. Creates satisfying atmosphere in story-driven games while handling basic directional cues. 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

Linsoul x HBB Jupiter User Reviews

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Nightjar Singularity User Reviews

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