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What Hi-Fi?
What Hi-Fi?
Technology
Joe Svetlik

How do active noise-cancelling headphones work? Are they worth it?

Headphone sound wave graphic.

With modern life being more frenetic – and noisy – than ever, active noise-cancelling (ANC) technology is more invaluable than ever. By muting the outside world, ANC headphones can let you hear your music uninterrupted or allow you to zero in and focus on a task in (near) silence.

Pioneered by Bose and Sennheiser decades ago, headphones with active noise cancellation are nowadays almost exclusively wireless. You have wireless ANC earbuds like the Sony WF-1000XM5, Sennheiser Momentum True Wireless 4 and, of course, the ever-popular AirPods Pro 2, as well as wireless ANC over-ears such as the Sony WH-1000XM5, Bose QuietComfort Ultra Headphones and Apple AirPods Max.

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