Especially if you can get them at a discount. The XM4 have be superseded by 2022's XM5 (above) but, with a 30-hour battery life and a comfortable design, Sony's slightly older noise-cancellers are still a superb buy. The XM4 can connect to two devices at once, too, which is one more than the XM3.
But as you'd expect, the newer XM4 have a few more tricks up their sleeve including a new Speak to Chat feature and improved call quality. There's also a new algorithm to analyse outside noise in even greater detail, providing more effective noise cancellation.īoth the XM4 and their predecessor, the XM3, use the same control systems – a touch-sensitive panel on the ear cup and your chosen voice assistant (Amazon Alexa or Google Assistant). The chip bring Sony's Edge-AI artificial intelligence into play, which produces a more accurate sound from certain sound files. They offer a refined design, with fullsome ear cushions, fancy features like Wearing Detection (which knows when you've taken them off or put them on, and pauses or plays the music, respectively), and Sony's excellent DSEE Extreme audio processor. The musical-sounding XM4 arrived in 2020.
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