降噪耳機可否空載使用?

即是開機而不插input,想減少雜聲(環境不方便使用隔聲耳罩)

Yes, there are few choices:
Sony h.ear on Wireless NC headphones

https://www.theguardian.com/tech ... shy-of-really-great
Philips SHB9850NC headphones

https://www.theguardian.com/tech ... ss-noise-cancelling

Parrot Zik 2.0/3.0

https://www.theguardian.com/tech ... nes-philippe-starck

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