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Well balanced and spot on
Igor Boitsov's personal blog
  • 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

  • Audiophiles should not suffer! Sony WF-1000xm4: the review
    Audio / Headphones / TWS

    Audiophiles should not suffer! Sony WF-1000xm4: the review

    13.10.202129.01.2026

    Well, why Sony WF-1000xm4? Believe it or not, it’s insanely hard to find anything decent, that’s why. All of the TWS headphones models I’ve tried (about 30 of them) didn’t fascinate me in any way, and it just so happened that the WF-1000xm3 I once owned were cool. I really enjoyed them, but then the battery capacity decided it’s time to go.

    Read More Audiophiles should not suffer! Sony WF-1000xm4: the reviewContinue

  • Noble Falcon Pro TWS headphones: the review
    Audio / Headphones / TWS

    Noble Falcon Pro TWS headphones: the review

    18.08.202129.01.2026

    Let’s get straight to the point: the Noble company managed to make some completely wireless headphones with very good sound. Like, phenomenally good sound. But are these Noble headphones themselves? This is actually a big question.

    Read More Noble Falcon Pro TWS headphones: the reviewContinue

  • Kennerton M12S (2021). Out of the blue
    Audio / Headphones / Wired over-ear

    Kennerton M12S (2021). Out of the blue

    07.07.202129.01.2026

    In 2007, Nassim Taleb wrote a book called ‘The Black Swan: The Impact of the Highly Improbable’, in which he introduced the concept of a ‘Black Swan’ event. He describes it as an event that was unpredictable before, but became completely rationally explicable in hindsight, and also triggered some significant consequences. Why am I telling…

    Read More Kennerton M12S (2021). Out of the blueContinue

  • About headphones measurements and frequency response in particular
    Audio / Theory

    About headphones measurements and frequency response in particular

    07.05.202129.01.2026

    Let’s start by answering a simple (but not too simple, actually) question: what are the headphones sound parameters that can be measured at all? Or, more precisely, the sound parameters that are usually measured. I’ve divided those into two categories: the main ones – the most significant and frequently cited, and the additional ones – less significant, but also important.

    Read More About headphones measurements and frequency response in particularContinue

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