Almost two years after the release of the previous generation, the spy photos of Sony’s third-generation noise reduction bean (WF-1000XM4) were first exposed in February. Although the suffix is XM4, this is indeed Sony’s third-generation noise reduction bean, because there is no XM2, and XM is followed by XM3. WF-1000XM4 has successively obtained Bluetooth certification and FCC network access certification, and the model is YY2948.
The certification information shows that the XM4 upgrade supports Bluetooth 5.2 (the previous generation is 5.0), and has a built-in MediaTek MT2822S chip. The previous generation of XM3 is MT2811S, although 2822S and 2811S also support 24bit, 192kHz audio, the CPU speed, DSP performance is better, and integrated hardware-level noise reduction technology.
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Back to the appearance, the appearance of the XM4 in the spy photos is completely different from the XM3. The XM4 is more rounded and compact, and there is a golden cylinder at the end of the earplugs. The specific function is unknown. According to the news, XM4 uses custom-made memory foam for a better wearing effect.
The current domestic price of XM3 noise reduction beans is $190, with black gold and platinum silver colors, and it is said to be released in September at the latest.
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