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Well balanced and spot on
Igor Boitsov's personal blog
  • Edifier STAX Spirit S3 Review. An 80-hour ear bleeding marathon
    Audio / Headphones / Wired over-ear

    Edifier STAX Spirit S3 Review. An 80-hour ear bleeding marathon

    13.08.202229.01.2026

    Here are the headphones that I, again, was really waiting for. These are the Edifier wireless planar ones powered by Audeze technologies. And the symbolic STAX in the model name kind of suggests THINGS. Well, since closed-back planars with decent sound are something manufacturers don’t always achieve, it was double as interesting for me to take a look at this Edifier masterpiece.

    Read More Edifier STAX Spirit S3 Review. An 80-hour ear bleeding marathonContinue

  • HiFiMAN Sundara. The inch-perfect ones
    Audio / Headphones / Wired over-ear

    HiFiMAN Sundara. The inch-perfect ones

    03.08.202229.01.2026

    There are different models of headphones I’d love to try SO much that I’m ready to buy them. Like, to spend literal money, not just get them for a test-n-review. And today I’m going to tell you about one such model. It’s HiFiMan Sundara – open back isodynamic headphones for around $280.

    Read More HiFiMAN Sundara. The inch-perfect onesContinue

  • About headphones measurements and a ‘Made in China’ rig
    Audio / Theory

    About headphones measurements and a ‘Made in China’ rig

    28.07.202229.01.2026

    The 4th article about headphone measurements, curves, rigs and researches.

    Read More About headphones measurements and a ‘Made in China’ rigContinue

  • Anker Soundcore Liberty 3 Pro: Chicken Drumsticks In The Headphones Universe
    Audio / Headphones / TWS

    Anker Soundcore Liberty 3 Pro: Chicken Drumsticks In The Headphones Universe

    19.06.202229.01.2026

    Other reviewers say they’re like ‘the new TWS’s benchmark’ and ‘the end of Sony’s monopoly’ and stuff, so why wouldn’t I want to review those myself! So I was working round and round these headphones, and then a follower of mine unexpectedly offered me their pair to use for a review. Like, to send them to my place. So I can make a review.I agreed before that kind person could generate any second thoughts.

    Read More Anker Soundcore Liberty 3 Pro: Chicken Drumsticks In The Headphones UniverseContinue

  • Moondrop Chu. Magic outside Hogwarts
    Audio / Headphones / Wired in-ear

    Moondrop Chu. Magic outside Hogwarts

    26.05.202229.01.2026

    The Moondrop Chu’s just won the competition as the best in-ear headphones for almost no money.

    Read More Moondrop Chu. Magic outside HogwartsContinue

  • About target curves, rigs, standards, neutrality and subjectivity of headphones sounding perception
    Audio / Theory

    About target curves, rigs, standards, neutrality and subjectivity of headphones sounding perception

    16.05.202229.01.2026

    The 3rd article about headphones measurements.

    Read More About target curves, rigs, standards, neutrality and subjectivity of headphones sounding perceptionContinue

  • Kennerton headphones measurements
    Audio / Headphones / Wired over-ear

    Kennerton headphones measurements

    16.04.202229.01.2026

    A year is not over yet and I have already got a new test fixture stand, and I am more than happy about it. I have switched now from a modified miniDSP EARS to a real test fixture, which is IEC711 complied: a coupler (IEC60318-4), artificial pinna, speficially calibrated microphone. So, now I can apply any target curve to frequency graphs without any recaltulations for real. An article about my new test fixture with all the detials – where to get it, how to use it and so on – is coming soon. Stay tuned. And for now you can check frequency graphs of almost all current Kennerton models from the new test fixture.

    Read More Kennerton headphones measurementsContinue

  • The Rognir Dynamic. Your favorite slippers
    Audio / Headphones / Wired over-ear

    The Rognir Dynamic. Your favorite slippers

    05.04.202229.01.2026

    In the middle of 2021, the Kennerton introduced their Rognir planar headphones with prismatic cutting inside the earcups allowing effective sound dispersion in the inner space of the earcups. So it was pretty logical to anticipate a dynamic model with the same technological approach to be developed and released. And it actually happened: in December 2022, the Rognir Dynamic were released.

    Read More The Rognir Dynamic. Your favorite slippersContinue

  • KZ ZEX Pro (x Crinacle) Review. They tried
    Audio / Headphones / Wired in-ear

    KZ ZEX Pro (x Crinacle) Review. They tried

    07.01.202229.01.2026

    Crinacle being mostly engaged in headphones measuring and analyzing, together with KZ produces a hybrid model with neutral tuning, and all that for around $30. The headphones motto says ‘You don’t need to pay for tuning’: that is, the right tuning is available for any, even small money.

    Read More KZ ZEX Pro (x Crinacle) Review. They triedContinue

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