
Bose QuietComfort 25 noise-cancelling headphones are highly regarded by users. However, some have raised concerns about sound leakage. While some users claim that the headphones do not leak sound at all, others have reported that the sound leakage is noticeable, particularly when the headphones are at maximum volume. This has led to some users feeling self-conscious about using the headphones in public places, such as on public transport or in the library. The sound leakage has also been attributed to the design of the ear pads, which may not seal well around the ears. As a result, some users have opted for alternative headphones or earbuds that offer a better seal and minimise sound leakage.
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What You'll Learn

Bose QuietComfort 25 headphones are noise-cancelling
The Bose QuietComfort 25 headphones are noise-cancelling, designed to reduce unwanted noise and distractions, allowing you to focus on your music, calls, or peace and quiet. They are an upgrade from the previous models, with improved noise reduction and audio performance.
Bose's noise-cancelling technology involves placing microphones inside and outside the earcups to sense and measure external noise. The data is then sent to a digital electronic chip, which calculates an equal and opposite noise cancellation signal within a fraction of a millisecond. This powerful chip delivers a new level of quiet for around-ear headphones, ensuring that distractions instantly fade away, even in noisy environments.
The headphones also feature Active EQ and TriPort technology, enhancing the clarity and accuracy of the audio. The Active EQ provides a smoother frequency response across the full spectrum of sound, while TriPort technology delivers deep, clear low notes and reduces the "hiss" often associated with conventional active noise-cancelling headphones.
While the Bose QuietComfort 25 headphones are designed for noise cancellation, some users have reported experiencing sound leakage. This may be due to the ear pads, which, while comfortable, may not seal well around the ears. As a result, people nearby may be able to hear your music, especially if played at maximum volume.
However, it is important to note that sound leakage can depend on various factors, such as the volume level, type of audio, and surrounding environment. Some users have shared their experiences of using the headphones in noisy environments, such as planes and trains, where external sounds masked any potential leakage. Therefore, while sound leakage may occur, it might not be noticeable in certain settings.
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$99 $119

The QC45 model has been criticised for sound leakage
Some users have compared the sound leakage of the QC45s to other headphone models, such as the Sony WH1000XM3, which has been found to have less sound leakage due to its thicker ear pads that create a better seal. Additionally, the Sony WH1000XM5 has been praised for its sound quality, although it may sometimes sound muddy and bloated.
It is worth noting that some users have not experienced sound leakage issues with the QC45s. One user commented that they have been using their QC45s for a year and a half without noticing any sound leakage. However, the majority of reports suggest that the sound leakage is a significant issue with this model.
The sound leakage in the QC45 model may be due to the ear pads not sealing well around the ears. This can cause sound to escape and be heard by others nearby. While the noise-cancelling feature of the QC45s is effective, the sound leakage can be a deal-breaker for some users, especially those who listen to music in public spaces or shared living areas.
Overall, while the QC45s offer good sound quality and comfort, the sound leakage issue has been a point of criticism for many users, leading some to return the product or opt for alternative headphones with better sound isolation.
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Bose QuietComfort Ultras have a tighter fit than QC35 and QC45s
The Bose QuietComfort Ultras have a tighter fit than the QC35 and QC45s. While the QC Ultras do exhibit some sound leakage, it is not as bad as the QC45s. One user noted that someone could hear their music "very clearly from about five yards away" when wearing the QC Ultras. However, another user reported that they were unable to hear any sound leakage from their QC Ultras when travelling on planes and trains, even when playing audio at high volumes.
The QC35s also experience sound leakage, with one user noting that "people will hear your music if it's at max volume guaranteed". The QC35s have comfortable ear pads, but they don't seal well, which could be a factor in the sound leakage.
Some users have compared the QC Ultras to the QC35s and QC45s in terms of fit and sound quality. One user noted that the QC Ultras have a tighter fit than the QC45s, but they found that the QC45s fit and sound better overall. Another user felt that the QC35s had better loudness, punch and bass than the QC Ultras, and that the QC Ultras lacked the same "punch".
In terms of sound quality, some users have noted that the QC Ultras have loud bass and immersive audio, which may not appeal to those who prefer a flatter sound. The QC35s are known for their excellent noise-cancellation capabilities, with one user praising their ability to block out noise during flights.
Overall, while the QC Ultras do have a tighter fit than the QC35 and QC45s, there are mixed reviews on the sound leakage and sound quality of the headphones, with some users preferring the QC35s or QC45s for their overall performance.
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Bose headphones are good for travel
Bose headphones are widely regarded as good for travel. They are known for their noise-cancelling capabilities, which can help to block out unwanted noise and provide a more enjoyable audio experience. This feature can be especially useful when travelling by plane, train, or car, as it can help to reduce the sound of the engine and other ambient noises.
The Bose QuietComfort Ultra Headphones, in particular, have been recommended by CNET as one of the best full-size over-ear noise-cancelling headphones for travel. They also offer the QuietComfort Ultra Earbuds (2nd gen), which have been highly rated and included in their list of "Other top travel headphones we've tested".
In addition to noise cancellation, Bose headphones also offer features such as comfort, durability, and long battery life, which are important considerations when choosing travel headphones. They also feature built-in microphones that allow for hands-free phone calls while on the go.
While some users have expressed concerns about sound leakage with the Bose QuietComfort headphones, others have found that the noise inside transit systems, such as planes and trains, masks any potential leakage. Therefore, they can still be great travel headphones, especially if you are not around anyone or if those around you do not mind any potential sound leakage.
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Sony headphones are often considered superior to Bose
While Bose QuietComfort headphones are known for their noise-cancelling capabilities, Sony headphones are often considered superior for a variety of reasons.
Firstly, Sony headphones offer both Ambient and Noise-Canceling options, while Bose provides Quiet, Aware, and Immersive modes. The Ambient and Noise-Canceling modes on Sony headphones can be extremely beneficial for individuals with sensory processing difficulties, helping them manage loud and chaotic environments. The Ambient mode also allows for increased awareness of the surroundings, which can be useful in office settings or while walking on busy streets.
Secondly, Sony headphones excel in terms of battery life. While the Sony headphones offer 30 hours of playback, the Bose headphones provide 24 hours of playback. The Sony headphones also have a quick-charge feature, giving three hours of playback with only a three-minute charge.
Thirdly, Sony headphones are known for their superior sound quality. They offer increased subtlety, impact, and smoother bass. Sony headphones also have a wider frequency range, enhancing the overall listening experience for music enthusiasts and producers.
Additionally, the Sony WH-1000XM5 headphones have thicker ear pads, creating a better seal and potentially reducing sound leakage. This feature ensures that others around you are not disturbed by your music, even at high volumes.
Lastly, the Sony WH-1000XM5 touch setup offers convenience and ease of use. While it has a learning curve, it provides the option to disable touch controls to avoid accidental inputs. The speak-to-chat feature further enhances the user experience by detecting your voice and seamlessly activating ambient sound awareness, which is ideal for interacting with colleagues in an open office environment.
In summary, while Bose QuietComfort headphones are reputable for their noise-cancelling technology, Sony headphones often surpass them in terms of sound quality, battery life, ambient noise modes, touch controls, and ear pad design, making them a preferred choice for many consumers.
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