By aspect — in detail
Tonality
Contested · 13 srcSources split — not on what it is, but on whether it is what they want. Everyone describes the same thing: warm of neutral, bass and lower midrange lifted above a relaxed top end, the old HIFIMAN dip near 1.5-2 kHz intact. Most treat that as the point of the product and a genuine success; a minority who buy planars for air and sparkle find it too dark and too safe. The line runs almost exactly along what each listener already owned.
Measured
Three rigs agree. Kuulokenurkka (clone IEC-60318-4 + KB501X, vs Harman OE 2018) reads linear bass, a calm 1.5-2 kHz region and a 4-8 kHz band that is flat but a few dB under target; unheardlab (GRAS 43AG) reads midrange fundamentals up roughly 1.5-2 dB with harmonics gently down and a natural roll-off past ~5 kHz; jeromeoflaherty's own KB501X plots put the treble below the Harman target's energy level.
⚠ vs. listeners — The graph is not in dispute, only its meaning: the same measured shortfall above 4 kHz reads as 'no fatigue, ever' to one listener and 'the sparkle is missing' to the next.
Where it splits
the warm turn lands — smooth, fatigue-free, the first HIFIMAN for treble-sensitive ears84%
“I think the Edition XV is a very welcome variation to the manufacturer's headphone lineup”
Kuulokenurkka (Sword of Damocles)
too polite — the air, sparkle and planar 'wow' are gone16%
“when I look for a planar headphone, I am looking for details, soundstage, separation and sparkle. I don't find any of those in XV”
Head-Fi (dakchi)
Bass
Strong consensus · 10 srcThe most agreed-on part of the headphone. Flat, linear planar extension all the way down, with noticeably more weight and body than HIFIMAN's leaner models — several reviewers reach for Audeze as the comparison. It is level rather than shelved, so bass-heads still reach for EQ, and a minority call the decay a touch slow, but nobody calls it bloated or muddy.
“The bass has a slightly looser, more relaxed quality, though it still reaches effortlessly down to 20 Hz.”
unheardlab (Sai)
“Kick drums have a real sense of thump and resonance to them that even the most expensive HIFIMAN headphones like the Susvara have basically never been able to convey.”
headphones.com (Griffin Silver)
“There’s plenty of physical bass extension, although the tone generator could only reach 22Hz, and below that, there was no bass presence.”
Headfonics (Louis)
Measured
Linear to 20 Hz with no roll-off on the GRAS 43AG (unheardlab), and reproduced 'completely linearly' rather than with a Harman-style shelf (kuulokenurkka) — which is why it measures deep but does not slam like a shelved tuning. unheardlab's linearity test at 84 vs 100 dB shows no compression, and its leakage test shows a slight bass lift when glasses break the seal.
Sources split, and this is the most decision-relevant disagreement in the record. HIFIMAN left its 1.5-2 kHz dip in place, so one camp hears a full, warm, natural midrange that is the headphone's best feature, and the other hears vocals set a step back with a softness the brighter siblings hid. Note the mechanism named on Head-Fi: the dip is not new — the old boosted treble used to balance it out, and taking the treble away exposed it.
Measured
Every rig shows the recession around 1.5-2 kHz; unheardlab measures fundamentals up ~1.5-2 dB against harmonics gently down. It is also the band reviewers actually EQ — the published correction filters from unheardlab and from the GGChrono video both add roughly +3 dB there.
⚠ vs. listeners — Both camps are describing the identical dip. On Head-Fi, Kammerat Rebekka argues the older models had the same hole and simply covered it: 'so nothing there to mask whatever flaws lie beneath it.' Whether that reads as warmth or as distance depends mostly on what you are comparing against — the complaints cluster among people holding it up to an HD 600 or HD 650.
Where it splits
the midrange is the highlight — warm, full-bodied, natural timbre48%
“What the HIFIMAN Edition XV does best is produce a natural timbre, with an effortless profile.”
Headfonics (Louis)
the 1.5-2 kHz dip pulls vocals back — the one real flaw52%
“the classic “Hifiman dip” in the 1-2 kHz region is still present, which pushes vocals and some midrange instruments a bit further back in the mix”
unheardlab (Sai)
The headline change and the most consistently praised aspect: smooth, peak-free and essentially free of sibilance, with none of the glassy edge the Edition XS and Arya are known for. The dissent is not that it is harsh but that it is quiet — reviewers who wanted air say the top octave has been traded away, and at least one owner still finds hot spots on older, reverb-heavy recordings.
“the Edition XV probably has one of the most mature, sensible treble profiles I’ve ever heard in an over-ear headphone”
headphones.com (Griffin Silver)
“Cymbals sound clean and well-shaped without splashing into excessive brightness.”
unheardlab (Sai)
“With this new Edition XV the treble is wonderfully on point. Neutral and very smooth…so nothing there to mask whatever flaws lie beneath it.”
Head-Fi (Kammerat Rebekka)
“even the XV can have some pretty hot treble with certain songs with certain albums”
Head-Fi (Sanctuary)
Measured
Kuulokenurkka finds the alternating peaks and dips of other HIFIMAN models simply gone — 'the response is astonishingly flat' between 4 and 8 kHz — while noting that 'this frequency range is a few decibels below Harman's target curve in terms of energy level'. unheardlab measures 'a gentle, natural roll-off beyond about 5 kHz'.
Soundstage
Contested · 11 srcSources split, and the split tracks the comparison rather than the headphone. Held up against dynamic rivals or a live recording it reads as wide and spacious; held up against the Edition XS, Ananda or Arya it reads as merely average in width, with depth doing most of the work. Reviewers do not even agree on which axis is the strong one — one calls depth dominant and width small, another calls it laterally broad but short of real depth.
Measured
Nothing measurable settles perceived stage size, but the mechanism the wide camp cites is real: headphones.com attributes the extra space to the absence of the treble peaks that used to collapse the stereo image toward the centre, and Headfonics notes the new grille has no cloth behind it, which raises airflow through the cup.
Where it splits
average width for the class — the stage was traded for smoothness65%
“The Edition XV’s soundstage is competent but not especially expansive.”
unheardlab (Sai)
Sources split. The majority describe stable, well-organised placement with clean front-to-back layering; a substantial minority — including the most instrumented reviewer — hear the cues as soft-edged and diffuse rather than pinpoint, and one critic says separation collapses toward the centre when the music gets busy. The measured channel matching on at least one unit is good, so this looks like a consequence of the smoothed upper midrange rather than a driver-matching problem.
Measured
unheardlab's flat-plate channel-matching test on its own unit came back good, which it notes may help imaging precision and spatial cues — so the disagreement is about presentation, not about left/right mismatch.
Where it splits
stable and precise — instruments hold their place65%
“Imaging is excellent with good separation, though the stage width is narrower than the XS.”
Headfonia (Yagiz)
soft and diffuse — blended rather than pinpoint35%
“Instead of sharply etched positional cues, the XV leans toward a more blended, though cohesive presentation.”
unheardlab (Sai)
Most independent reviewers place it a notch below its brighter siblings — competitive for $399, but not the resolving one. The dissenters are almost all comparing against dynamic headphones rather than other planars, and the reason is worth knowing: the most heavily instrumented review argues that a lot of what listeners call resolution is really treble energy, so a headphone with less of it sounds less detailed without actually being less capable.
“They produce lots of detail, but they’re not the best at retrieving detail.”
Headfonics (Louis)
“what listeners interpret as “resolution” is the product of targeted treble energy rather than a true increase in driver capability”
unheardlab (Sai)
“Though the treble presentation in the Edition XV is more rounded, there was excellent detail and texture, minus the sibilance that female vocals can sometimes present.”
Secrets of Home Theater and High Fidelity (Lory Hawley)
“the driver seems to lose composure under dense musical passages, where instrument separation collapses toward the center, producing a congested blend precisely when the soloist should be cutting through the mix”
Head-Fi (Luigi Milazzo)
Measured
unheardlab ties the perceived shortfall to the measured recession: because 1-2 kHz sits back and the fundamentals are fuller, fine texture is less exposed. Its distortion sweep at 94 dB shows levels slightly higher than ideal between 1.5 and 6 kHz, which it expects to be inaudible in normal listening.
Broad agreement that it hits hard when the music does and never falls apart under load, and broad agreement that transient attack is softer than on the brand's brighter models — the disagreement is only about how much that costs. The measurement is unusually clear here: the driver shows no compression even at very high levels, so the softness is a tuning effect, not a limit of the driver.
“The XV has no signs of compression even when pushed to high levels around 100 dB, which speaks to the driver’s excursion capabilities.”
unheardlab (Sai)
“PRaT is adequate but not as snappy as the Nano; it’s a more relaxed presentation built for long listening.”
Headfonia (Yagiz)
“the level difference between this dip and the relatively forward low midrange causes a bit of sludginess when it comes to keeping up with faster percussive elements”
headphones.com (Griffin Silver)
Measured
unheardlab's superimposed 84 dB and 100 dB sweeps show no divergence — 'This is excellent result. There’re no signs of compression at high SPLs' — so macro-slam is not the constraint; the softened attack traces to the relaxed 2 kHz region instead.
A clear improvement on the Edition XS, and the single most common reason owners upgrade — the new suspension strap spreads the 452 g far better than the old band. But it also clamps harder, and the strap is fixed and short, so the experience depends on head size more than on taste: small-headed listeners report all-day comfort, larger-headed ones report jaw pressure and fatigue, and one reviewer measured the maximum spread at only 16.5 cm.
“For me, it’s at least 150% more comfortable than the XS.”
Headfonia (Yagiz)
“This version applies a higher amount of clamping force, making it less comfortable to wear.”
Headfonics (Louis)
“if you have a larger head and need less clamp, I’m not sure Edition XV will be tenable for long listening sessions”
headphones.com (Griffin Silver)
“Clamp force is noticeable and causes fatigue after long use.”
Amazon verified purchase (Sarra)
Measured
unheardlab scores comfort '6.5/10 (slightly weighty; tiny bit clampy)' and lists 453 g without cable; kuulokenurkka measures the headband's maximum spread at 16.5 cm against a 15 cm head and finds it awkward to put on. Amazon's own tallies read comfort 14 positive / 2 negative and weight 4 positive / 2 negative.
Widely called a real step up for HIFIMAN: a mostly metal chassis, the new composite headband, and a hexagonal grille that reviewers like on sight. The complaints are about what comes with it — bare packaging, and a stock 3.5 mm cable that reviewers cannot agree on at all, praised as the best in its class by two and dismissed as a letdown by three. Two structural notes: the new pad clips orphan every older HIFIMAN and Dekoni pad, and the driver has no cloth behind the grille.
“The Edition XV feels clearly sturdier in hand than the Edition XS.”
Kuulokenurkka (Sword of Damocles)
“I've owned several Hifiman cans and the XV are a significant step up in terms of build quality.”
Reddit r/headphones (AsianMysteryPoints), via RedditRecs
“Again, this headphone merits a better stock cable.”
Headfonics (Louis)
Measured
Amazon's per-topic tallies read build quality 10 positive / 1 negative from 11 mentions — the most one-sided topic on the listing.
Isolation
Strong consensus · 3 srcOpen-back by design: no meaningful passive isolation, and it leaks freely in both directions. Expected for the type rather than a flaw, but it rules out offices, commutes and shared rooms — and because the cup is large and the diaphragm loosely tensioned, breaking the seal (glasses, for instance) nudges the bass up slightly.
“This is an open back headphone, intended to be used at home or in a closed office. This will not isolate sound from the surroundings.”
Amazon verified purchase (Sarra)
“Like most open-back planars, this headphone can show a slight bass boost when the seal is compromised.”
unheardlab (Sai)
Measured
unheardlab's leakage-tolerance sweep compares a good seal against thin- and thick-armed glasses and finds the front-volume leak lifts the bass a little rather than thinning it.
Strong at $399 by most readings — several sources put it alongside the HD 650 as a default warm-neutral recommendation, and Amazon buyers rate value 11 positive to 3 negative. The recurring objection is not the XV itself but its predecessor: the Edition XS now sells for roughly $209-$269, and reviewers who have both keep pointing out that half the money buys a different flavour rather than a worse headphone.
“HIFIMAN has earned their spot right next to the HD 650 as the default recommendation for a warm-neutral headphone under $400”
headphones.com (Griffin Silver)
“At $399.00 they are an incredible value.”
Secrets of Home Theater and High Fidelity (Lory Hawley)
“It’s just hard to justify the price with the XS offer still on the table.”
Headfonia (Yagiz)
“Does the new XV edge out the XS? Not necessarily.”
unheardlab (Sai)
