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Sony WH-1000XM4: the next premium helmet of the Japanese is victim of an indiscretion

The successor to the popular Sony WH-1000XM3 wireless headset is still not officially announced, but we already know a lot about it. The Walmart distributor has just mistakenly posted his full technical sheet.

Things are becoming clearer about Sony’s future flagship active noise canceling wireless headset. After having already been talked about at the end of 2019 through a declaration of conformity to the FCC, then last March with images stolen from the Brazilian agency Anatel, it is the large American distribution chain Walmart that has left go to a small recklessness, inadvertently revealing many details about the WH-1000XM4.

In line with previous leaks, the information revealed here confirms that the new model will share most of its characteristics with its elder, the WH-1000XM3. Since the latter had been unanimously praised for the quality of its sound reproduction, it is not surprising to find here 40 mm speakers made of Liquid Crystal Polymer material, in all likelihood perfectly unchanged. Autonomy is also identical with a promise of 30 hours maximum – on this point, the Brazilian flight, which announced a slightly increasing endurance, is invalidated.

Minimal but highly anticipated changes

More importantly, there are two improvements that respond to the biggest criticisms made of the WH-1000XM3: the new model gains the possibility of being connected in multipoint to two sources simultaneously, as well as better voice capture for use in kit hands free. On this last point, the 1000XM4 now has no less than five on-board microphones to isolate the user’s voice and allow, on paper at least, perfectly intelligible communications.

Finally, in a more vaporous register, the proprietary audio processing DSEE is making a comeback, this time in “Extreme” version. Always striving to reconstruct the audio quality of files that have undergone destructive compression, he now uses an artificial intelligence algorithm for this. “co-developed with Sony Music Entertainment. An entire program.

During its brief online presence on the Walmart site, the WH-1000XM4 page had a price of $ 348, almost perfectly identical to the $ 349 at which the WH-1000XM3 was launched in the United States in September 2018 (in Europe, it took € 379). The availability date remains unknown, however, but the fact that the cards are already ready at resellers could be an indicator of an imminent official announcement.

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