Nightjar Duality and Canpur CP622B use 2DD and 6BA+2EST+2BC driver setups respectively. Nightjar Duality costs $3,000 while Canpur CP622B costs $3,500. Canpur CP622B is $500 more expensive. Canpur CP622B holds a clear 0.7-point edge in reviewer scores (8.1 vs 8.8). Nightjar Duality has better bass with a 0.5-point edge, Canpur CP622B has significantly better mids with a 1.3-point edge, Canpur CP622B has better treble with a 0.7-point edge, Nightjar Duality has significantly better dynamics with a 1.3-point edge, Canpur CP622B has significantly better soundstage with a 1-point edge, Canpur CP622B has significantly better details with a 1-point edge and Canpur CP622B has significantly better imaging with a 1-point edge.
Insights
| Metric | Nightjar Duality | Canpur CP622B |
|---|---|---|
| Bass | 9 | 8.5 |
| Mids | 7.3 | 8.6 |
| Treble | 7.3 | 8 |
| Details | 8 | 9 |
| Soundstage | 7.5 | 8.5 |
| Imaging | 7.8 | 8.8 |
| Dynamics | 9.3 | 8 |
| Tonality | 8.1 | 8.5 |
| Technicalities | 7.5 | 8.5 |
Nightjar Duality Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.1Very Positive
Canpur CP622B Aggregated Review Score
Average Reviewer Scores
Average Reviewer Score:
8.8Excellent
Reviews Comparison
Nightjar Duality reviewed by Yifang
Canpur CP622B reviewed by Yifang
Yifang Youtube Channel
Nightjar Duality reviewed by Jaytiss
Youtube Video Summary
Nightjar Duality presents as a $3,000 dual-dynamic IEM with a focus on premium build and ergonomics: a bespoke shell that seats comfortably, a recessed 2-pin, and user-tunable hardware via onboard switches and an included impedance adapter that can push bass even further. Packaging includes multiple thin, lightweight cables and even a powered dongle option. The craftsmanship feels boutique, and the faceplate aesthetic underscores its luxury positioning.
Tonally, this is a bass-forward set with two personalities: a “normal bass” configuration that retains balance and a “crazy bass” mode that becomes emphatically sub-heavy. Treble carries air and decent detail without chasing a hyper-analytical edge; mids are serviceable but a touch off, responding well to a bit of EQ. Overall dynamics hit hard, staging and clarity remain clean enough for the tuning goal, and the tuning reads as an enjoyable, romantic DD presentation—just not the final word in microdetail at this price.
In context, alternatives frame the value conversation: Grand Maestro is cited for stronger detail/air and driver refinement (though Duality fits better), while options like the Origin, Zen Magrid T Pro (~$500), Effect Audio Quantum, and even the budget Aether planar show that similar or complementary traits exist at lower brackets. Compared with sets such as Scarlet Mini or Maestro Mini, Duality’s bass shelf and presence balance feel more considered. Verdict: a unique, fun bass-head flagship with excellent design and ergonomics; the price is the hurdle, so demoing at events like CanJam is strongly advised before committing.
Jaytiss Youtube Channel
Canpur CP622B reviewed by Jaytiss
Youtube Video Summary
Canpur CP622B makes a striking first impression with a premium case, tidy accessories, and a shimmering faceplate—but the shell is huge, bordering on chunky, and can push fit comfort limits over longer sessions. Sonically, it hits with authoritative sub-bass and impressive extension, yet the overall presentation skews dark; vocals sit a touch recessed, with a wish for more 1.5–3 kHz presence and a bit more upper-air sparkle. Out of the box it already thumps, but a light EQ lift to upper mids and bass can coax out more vibration and energy.
On graphs and in A/Bs, the CP622B comes off as a specialist: fantastic low-end texture (bass judged around 9.5 for level), solid resolution and stage, but imaging feels slightly constrained by the muted 3 kHz region. Compared with peers, FATfreq Grand Maestro reads like the safer “one-and-done” all-rounder with more flair up top; Aful Cantor delivers comparable presence at a fraction of the cost; Hisenior Mega5-EST Bass offers a friendlier fit and a tuning that can feel just a hair more balanced; and as a personal north star, Elysian Annihilator 2023 still sets the bar for extension and excitement. Net: a fantastically built, bass-thrilling CP622B that shines with hip-hop/R&B and cinematic lows, but reads as niche and pricey—a connoisseur’s piece for big collections rather than a first-pick endgame.
Jaytiss Youtube Channel
Nightjar Duality reviewed by Smirk Audio
Canpur CP622B reviewed by Smirk Audio
Nightjar Duality reviewed by Shuwa-T
Canpur CP622B reviewed by Shuwa-T
Nightjar Duality (more reviews)
Nightjar Duality reviewed by Head-Fi.org
Canpur CP622B (more reviews)
Canpur CP622B reviewed by Bad Guy Good Audio
Youtube Video Summary
Canpur CP622B is positioned as a true apex set among today’s ultra-high-end IEMs—think Storm, Grand Maestro, Pearl, Multiverse, RN6—where differences are subtle and taste-dependent, not about basic quality. The message is simple: once at the Money Trees level, most flagships are excellent; the CP622B stands out by pushing resolution and authenticity to the top of that pile while keeping music the focus.
Evaluation leans on a tight suite of reference cues: bass definition via Black Sabbath “Sweet Leaf” (2:36–3:10), midrange texture with Soundgarden “Spoonman” (spoons/vocals) and Neil Young “The Needle and the Damage Done,” and treble control from Aerosmith “No More No More” (recurring cymbal strikes). Micro-details and spatial tells include Michael Jackson’s beep, Violent Femmes finger snaps, the crowd-side triangulation in Lynyrd Skynyrd’s “Freebird,” Pink Floyd’s gate announcement in “On the Run,” Randy Rhoads’ finger slide in “Dee,” and the famous cough in “Wish You Were Here.” These checkpoints spotlight the CP622B’s clarity, attack/decay, and rare sense of depth for an in-ear.
Two practical notes seal it: level-matched A/B at 77 dB @ 440 Hz versus Subtonic Storm to ensure fair comparison, and a low-frequency test around ~42 Hz that makes the shells physically vibrate, delivering that body-felt slam prized in hip-hop and recognized in orchestral power. With a library spanning ACDC, Alice in Chains, Bob Marley, Dre, Kendrick, Metallica, Pink Floyd and more, CP622B reads as a top-tier all-rounder—immense detail at low volumes, potentially intense when cranked, and an easy recommendation for those chasing the very best.
Bad Guy Good Audio original ranking
Bad Guy Good Audio Youtube ChannelNightjar Duality Details
Driver Configuration: 2DD
Tuning Type: Basshead
Price (Msrp): $3,000
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Canpur CP622B Details
Driver Configuration: 6BA+2EST+2BC
Tuning Type: Neutral with Bass Boost
Price (Msrp): $3,500
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Nightjar Duality User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Canpur CP622B User Review Score
Average User Scores
Average User Score: n/a
Based on 0 user reviews
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Nightjar Duality Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
6.2Gaming Grade
BCanpur CP622B Gaming Score
Gaming Score & Grade
- The gaming score is prioritizing technical capabilities of the IEM (Separation, Layering, Soundstage) and good value.
Gaming Score
7Gaming Grade
A-Nightjar Duality Scorings
Average Technical & Tuning Grades
Average Tunign Grade
A+- The tonal balance is polished and expressive, highlighting emotion without sacrificing accuracy. It keeps emotional weight without sacrificing accuracy.
Average Technical Grade
A- It delivers a confident technical showing with defined layers and satisfying clarity. You can follow backing vocals with relative ease.
Canpur CP622B Scorings
Average Technical & Tuning Grades
Average Tunign Grade
S-- Expect a tasteful, well-judged response that feels both musical and true to the source. Great synergy with a wide range of genres.
Average Technical Grade
S-- Clarity and detail leap forward, with precise imaging and an expansive stage. Orchestral works feel spacious and layered.
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