Is Sony XM5 or Bose QC Ultra better?

For most users, the Sony XM5 is the better purchase: better codec support (LDAC), longer battery (30hrs vs 24hrs), and a lower price. The Bose QC Ultra edges out the XM5 on raw noise cancellation effectiveness — in a loud airplane cabin, the Bose creates slightly deeper silence. If you fly frequently and price isn't a concern, get the Bose. For everyone else, the Sony is the smarter buy.

Can I use noise-cancelling headphones for working out?

Most over-ear ANC headphones are not ideal for working out — they're large, can get sweaty, and may not stay secure during intense movement. For fitness use, consider ANC earbuds like the Sony WF-1000XM5 or Bose QuietComfort Earbuds instead, which are designed for active use with secure fit options and sweat resistance.

Does ANC affect sound quality?

Modern ANC headphones have largely solved early ANC side effects like audio coloration and artificial pressure. Budget ANC headphones can still alter sound quality slightly, but premium models (Sony XM5, Bose QC Ultra, Sennheiser Momentum 4) sound natural with ANC on. Some audiophiles prefer ANC off for critical listening, but for everyday use you won't notice a difference.

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