Does Headphone (a) support Active Noise Cancellation (ANC)? March 05, 2026 06:16 Updated Yes. Nothing Headphone (a) supports Active Noise Cancellation (ANC) with a maximum noise reduction depth of up to 40 dB. Related articles What do the buttons and controls on the headphones do? Does Headphone (a) support fast charging? How do I switch between noise cancellation modes? What's the battery life on Headphone (a)? How can I check the battery level?