Limitations
Noise-cancelling headphones have several limitations (that vary from vendor to vendor):
- They consume power, usually supplied by a USB port or a battery that must occasionally be replaced or recharged. Without power the headsets function like a regular headset, without active noise cancellation, or do not function at all.
- They may introduce additional noise, usually in the form of high-frequency hiss.
- The noise-cancelling circuitry required for them to operate inherently reduces audio quality.
- Early models were generally bulkier than traditional headphones. However, newer models tend to incorporate the batteries in pre-existing space. While this usually reduces the bulk, it does not reduce the extra weight of noise-cancelling headphones compared to traditional headphones.
- They are also more expensive than regular headphones
Read more about this topic: Noise-cancelling Headphones
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