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The Sony WH-1000XM4 is an over-ear Bluetooth headphone built around active noise cancellation, a 40mm driver and Sony's LDAC codec for high-resolution wireless audio. It adds Adaptive Sound Control, touch controls on the right earcup and Speak-to-Chat, which pauses playback when you start talking. Battery life runs up to 30 hours, with 10 minutes of charging giving about 5 hours of playback. It suits commuters, frequent flyers and office workers who want strong noise cancellation and a warm, bass-forward sound; the Bose Noise Cancelling Headphones 700 and Apple AirPods Max are its closest rivals, and the XM4 holds up well on cancellation and features while the newer XM5 adds a cleaner design and better call quality.
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Reviewers and owners rate the WH-1000XM4 highly for noise cancellation, comfort and battery life, and many call it one of the best all-round travel headphones. Complaints center on call microphones, touch-control sensitivity and the lack of water resistance.
The Sony WH-1000XM4/B is a pair of wireless over-ear headphones with active noise cancellation. Adaptive Sound Control automatically adjusts the level of noise cancellation based on the environment and activity. Speak-to-Chat pauses music when you start talking and resumes it when you finish.
Each earcup has a 40mm driver unit with a Liquid Crystal Polymer diaphragm, and the headphones support the LDAC codec. The earcups are soft and the design is lightweight and ergonomic. Touch sensor controls on the earcup handle music, calls and volume through taps and swipes.
The headphones connect over Bluetooth 5.0 or NFC and can pair with two Bluetooth devices at once. They work with Alexa, Google Assistant and Siri for hands-free control. Battery life is up to 30 hours, and a 10-minute fast charge gives 5 hours of playback.
