Sony's wireless earphone "WF-1000XM...

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08

Sony's wireless earphone "WF-1000XM4" has both excellent noise reduction and high sound quality, but there is only one "concern": Product Review.

The noise canceling function itself is unrivaled.This is thanks to Sony's great signal processing and the design of polyurethane foam material.

This earpiece fits perfectly according to the shape of the ear as soon as it is put in the ear.Thanks to this, the user can be immersed in silence.When I actually tried it, I had to turn on the "ambient sound mode (external sound import function)" even when the music was not flowing to hear the voices of the people around me.

In short, this is a powerful "earplugs" of the 21st century.If you wear earphones and play music, you will feel like the whole world has disappeared.The earphones were hidden by their hair, so even if they were spoken while hanging around the house, they often missed everything they said.

Any noise canceling headphones seem to be to some extent, but low -frequency sounds like air conditioning equipment and jet engine are still leaked.However, in this earphone, the volume of these sounds is significantly lowered, and when music and podcasts are regenerated, it is whispered.

Pairing and settings according to your preference are very easy.This is thanks to the quick pairing function that supports both Android and Windows, and the normal pairing with iOS (that is, fast but not immediately).You can also adjust the equalizer with the Sony headphone app, switch from noise canceling to ambient sound mode, or turn on the "Speak to Chat" function that stops music regeneration.In this function, when you speak out, you can hear the music of the other person because the music stops.

ソニーのワイヤレスイヤフォン「WF-1000XM4」は優れたノイズ低減と高音質を両立させたが、たったひとつ“気になる点”がある：製品レヴュー

All apps are very simple and easy to operate.But I personally don't like touch control.Touch control tends to operate for long hair (especially when you are sweating and sweating), so I think it would be nice to use only the physical button.

Voice microphones can be used for calls and ZOOM conferences, but they are not a great quality.In addition, it has drip -proof performance equivalent to IPX4, but it is too bulky to use during running.When I used it when I was doing weight training at home, I wasn't bothered.

The sound is wonderful, but ...

The outstanding sound quality of WF-1000XM4 is very similar to the over-year-type headphone "WH-1000XM4" (Sony's product name is really confusing).The low range is powerful, but the sub -base that can withstand a new driver unit (speaker) is not so good.The sound quality peaks in the middle and high range, and suddenly decreases in the high range.

In the case of dark jazz like Armad Jamal's live board, I personally like to adjust the high range a little in the equalizer section of the app.When matching with pop vocals like Britney Spears "Toxic", the treble is naturally thin, so when you hear her voice at a loud volume, it is sometimes heard like the early 2000s.Can be suppressed.

聴いている音楽にかかわらず、WF-1000XM4はその他多数のソニー製オーディオと同様に、非常にクリーンでフラットなインナーイヤー型イヤフォンだ。このイヤフォンは、Bowers & Wilkins（B&W）やCambridge Audioのような最高の音質で知られるブランドと遜色ないサウンドを実現している。

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