“How is the QC25 different than older QC15? will I notice a difference?”

1-4 of 4 Answers

• The primary difference is that the QC25 will work when the battery runs out. Not great sound quality at that point though. Sound-wise there's a very minor difference between the current and previous model.

  Answered by IsamuKanzaki 9 years ago

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• These have a battery option which gives extra power to the overall sound especially the bass. Much improved over the earlier model.

  Answered by wgjazz1644 10 years ago

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• The quality of sound is better and the make of the ear phones are crafted more sturdier.

  Answered by Meka 10 years ago

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• There are two main changes to the QC25. We've improved the noise cancellation technology on them. We've also added passive audio, which is the ability to listen to music without battery power when noise cancellation is not needed.

  Answered by Bose Support 10 years ago

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