
HiFiMan Arya Unveiled Review: Too Fragile to Recommend?
An open-back planar that strips away the outer grill entirely - exposing the driver to deliver dead-silent backgrounds, holographic imaging, and the smoothest Arya treble yet.
Headphones
Long-form headphone reviews across open-back and closed-back, dynamic and planar magnetic, full-size and IEMs. Every pair driven on its native amplifier match, compared head-to-head against the category reference list, and scored on tonality, technicalities, build, and value before a verdict ships.
25 headphones reviews so far - newest first.

HiFiMan Arya Unveiled Review: Too Fragile to Recommend?
An open-back planar that strips away the outer grill entirely - exposing the driver to deliver dead-silent backgrounds, holographic imaging, and the smoothest Arya treble yet.

Kiwi Ears Atheia Review: The Best of Two Driver Worlds?
A closed-back hybrid headphone pairing a 50mm dynamic driver with a 14.5mm planar - dynamic slam on the bottom, planar speed on top, in a walnut and aluminum chassis.

HarmonicDyne Eris Review: The Most Absurd Headphone Bass?
A semi-closed dynamic with 50mm ceramic-metal drivers and a deliberately overwhelming sub-bass tuning - tactile, fun, and tailor-made for EDM, hip-hop, and bass-heavy genres.

OLLO Audio X1 Review: Can a Studio Headphone Be HiFi?
An open-back studio reference headphone with AI-assisted per-unit calibration (±1dB), modular design, real wood cups, and a flat tuning that works for both mixing and music.

Sivga Anser Review: $200 Bass That $2k Cans Can't Touch
A $200 open-back dynamic with real wood cups and a tuning that delivers springy, bouncy mid-bass you won't find on $2,000 headphones - musical, fun, and built to last.

KBEAR KB02 Review: The Most Bizarre $40 IEM I've Tried
A $40 hybrid IEM combining a 10mm beryllium-plated dynamic driver with a bone conduction driver tuned for sub-bass - V-shaped, punchy, and surprisingly capable.

OneOdio Max 1 Review: The Most Loaded €180 Wireless
Hi-Res certified wireless over-ears with LDAC, a 20ms ultra-low-latency wireless DJ mode, dual jacks, and 120 hours of battery life - all for €180.

Sivga Luan Review: Possibly the Most Comfortable Headphone
A $360 semi-open dynamic with real wood cups, a suspension headband, and a natural, chocolatey midrange that punches well above its price.

Verum 1 Review: The Planar That's Scared of Treble
A $350 open-back planar that goes the opposite direction from most of the market - smooth, refined highs, full warm mids, and ruler-flat bass to 20Hz.

Kiwi Ears Orchestra Lite Review: Should Everybody Buy This IEM?
An 8-balanced-armature IEM with a 3-way crossover at $250 - mid-forward, naturally warm, with depth-focused staging that's the opposite of most IEMs in its class.

HIFIMAN RE2000 PRO Silver Review: Does IEM Shape Matter for Sound?
An older HIFIMAN flagship IEM with the same topology driver as the RE800 but a CNC-machined aluminum shell - by far the most detailed IEM I've ever heard at $350.

HIFIMAN RE800 Silver Review: An IEM That Will Save You $500
An older flagship IEM with topology driver tech, now $100 (down from $600) - audiophile-grade performance with surprisingly wide staging and an interesting non-target tuning.

HIFIMAN Arya Organic Review: Can This Be Your Endgame?
A continuation of the Arya series at $1,300 (or $1,100 on sale) - the most resolving headphone at this price, with spectacular detail and bass you can feel.

HIFIMAN Arya Stealth Review: Can You Resist Loving It?
An exceptionally comfortable HIFIMAN flagship at $759 with a rare warm-leaning balance, unbeatable imaging, and a taste of high-end sound at a non-flagship price.

Sivga Robin SV021 Review: A Very V-Shaped Budget Headphone
A $150 closed-back dynamic with real wood earcups, masterpiece-level build, and a fun, exciting V-shaped sound that breaks the 'budget closed-back' mold.

HIFIMAN Ananda Nano Review: Is This an Upgrade vs Ananda Stealth?
A nanometer-thickness diaphragm trickled down into the Ananda line - one of the best picks in its price range, with detailed treble that can occasionally cross the line.

HIFIMAN Ananda Stealth Review: The Most Overlooked Planar
An overlooked HIFIMAN planar at $360 with a slightly warm tonality, fantastic imaging, and a 'pleasantly wet' sound that beats the Edition XS in almost every way.

Simgot EM6L Review: 5-Driver Hybrid IEM at $109
A budget hybrid IEM with 1 dynamic + 4 BA drivers, a 3-way crossover, and an attempt at the Harman 2019 target - mostly successful, with a fun 'weirdly big' soundstage.

Flare Audio E-PROTOTYPE Review: Detail-First IEM at $149
Unlike anything you've heard or seen. The E-PROTOTYPE goes to extremes - both positive and negative - using proprietary technologies you won't find anywhere else.

HIFIMAN Svanar Wireless Review: $499 Premium Wireless IEMs Tested
A $500 single dynamic driver TWS with an R2R DAC and LDAC. It's both lacking and feature-packed at the same time - and it actually delivers where it matters.

HIFIMAN Sundara Closed-back Review: It's... Different?
Sundara, but cheaper, better isolation, easier to drive? Nope, not even close. An entirely different headphone that manages to be mediocre in every way that matters to me.

HIFIMAN Sundara Review: They Made AMAZING Even Better
An amazing value proposition - the latest Sundara revision performs exceptionally well at $300 in the open-back planar market. It's just steel.

HIFIMAN HE400se Review: $109 Planar Magnetic Headphone?
A stupidly cheap open-back planar with Stealth Magnets technology at $109 - loved by some, criticized by others. So what's actually going on with it?

HIFIMAN HE-R9 Review: Weird, But SO Fun
Both terrible and amazing at the same time - the HE-R9 is a closed-back bass monster at $200 with a tuning that's either perfect for you, or completely wrong.

HIFIMAN Edition XS Review: I Can't Believe They Did This
An exceptional open-back planar at $500 with a sound signature that's hard to find elsewhere - held back only by a controversial headband design choice.
Buying primer
Every headphone review on this page is the result of weeks of daily listening on the catalogue's reference chain - the Denafrips Enyo 15th DAC into the Denafrips Hades 12th headphone amplifier, fed by the Hermes 12th transport, with the HIFIMAN Arya Organic sitting in as the open-back planar reference. Each new pair is volume-matched at the output, compared head-to-head against the published reference list in its price tier, and scored only after the listening window is complete. No first-impressions takes, no demo-room verdicts, no review-on-arrival pieces.
Tonal balance
Frequency response evenness across the band, with extra weight on the 2-5 kHz presence region (where mistakes are most audible) and sub-bass extension below 50 Hz (where most headphones fail or fake it).
Technicalities
Detail retrieval, soundstage width and depth, imaging precision, dynamics, and transient speed. The "wow on first listen" factors that fade or strengthen across weeks of use.
Build and comfort
Materials, pad design and replaceability, headband ergonomics over multi-hour sessions, cable hardware and connector type. A flagship that hurts after 90 minutes is not a flagship.
Drive requirements
Sensitivity, impedance, and the actual amplifier voltage needed to reach reference listening levels with proper crest-factor headroom. Hard-to-drive flagships get scored against amps that can drive them, not against dongles.
Value at the tier
Performance versus the reference for the price bracket. A $1,500 headphone is judged against $1,500 references, not against $500 ones - and a $500 pair that holds its own against $1,500 references gets the score it earned.
How to read the scores: A 9.0 on a headphone means the pair sits in the top decile of the reference list - genuinely flagship-class performance, comparable in stature to a 9.0 on a DAC or a speaker. An 8.0 means the pair is the best in its bracket without being a category benchmark. A 7.0 means competent and recommendable but with at least one clear weakness; anything below 7.0 ships rarely and only when the piece is genuinely interesting at its price.
We do not score headphones by marketing tier, by brand prestige, or by what the rest of the audio press has said. The reference list is the only anchor, and pieces that fail against the references get the verdict they earned regardless of how the manufacturer markets them.
FAQ
Buying advice, terminology, and how the headphones category is reviewed on The Audio Stuff.
It depends on the use case and budget. For open-back home listening, planar magnetic flagships like the HIFIMAN Arya Organic and Susvara dominate. For closed-back portable or studio use, dynamic flagships from Sennheiser, Focal, and Beyerdynamic lead. Sort the headphone reviews by score - any piece marked "Reference" or "Highly Recommended" is worth a serious listen at its price tier.
Open-back leak sound both ways but reward you with wider soundstage, better imaging, and more natural air. Closed-back contain sound for office, commuter, and studio tracking use, with stronger isolated bass but a more constricted stage. For pure home listening, open-back almost always wins; for any other context, closed-back is the practical pick.
For technicalities (detail, bass extension, low distortion at high SPL) - usually yes, especially at the high end. For tonality and naturalness, well-tuned dynamics like the Sennheiser HD 600 series and Focal Utopia line still trade blows with planars. Planars also need more amplifier current. Read the review of the specific model rather than buying by topology.
For low-impedance, high-sensitivity headphones (most IEMs, many closed-backs under 32 ohms) - no, a phone or laptop drives them fine. For high-impedance (250+ ohm Sennheisers, Beyerdynamics) and demanding planars (HIFIMAN flagships, Audeze) - yes, a dedicated headphone amplifier matters. The headphone power calculator gives you the exact power requirement.
For your ears, not the drivers - 2-4 weeks of regular listening for tonal acclimation. Driver burn-in itself is largely myth for modern transducers; measurements before and after dozens of hours rarely show differences. Treat the listening period as ear training and stage break-in, not driver conditioning.