
The Bose QC35 headphones are known to have some sound leakage, which can be noticeable to people nearby, especially at moderate to high volumes. While the ear pads are comfortable, they don't seal well, and this can result in sound leakage that may be audible to others. Some users have expressed disappointment with the sound leakage, especially when compared to other headphones on the market, such as the Sony WH1000XM3, which offers a better seal around the ears. It's important to note that listening at maximum volume can also impact sound leakage and may not be healthy for your hearing over sustained periods.
| Characteristics | Values |
|---|---|
| Sound Leak | At moderate volume, people around can hear the music. At max volume, people can clearly listen to the song |
| Comparison with other headphones | The sound leakage is not as bad as the Beats Studios or Solo 3's but is still audible at moderate volumes. |
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What You'll Learn

The QC35s leak sound at moderate volume
The Bose QuietComfort 35 Wireless Headphones are known for their noise-cancelling capabilities. However, some users have reported that the QC35s leak sound at moderate volumes. This means that people nearby can hear the music or audio that is being played through the headphones, which can be disappointing for those looking for a more private listening experience.
One user reported that their wife could sleep comfortably just two feet away from the headphones without being disturbed, suggesting that the sound leakage is minimal at lower volumes. However, at moderate volumes, the same user noted that people around them could definitely hear the music playing. This was echoed by several other users who noticed sound leakage at moderate volumes, with one person specifically mentioning that the sound leakage was not loud enough to annoy others but was still noticeable.
The design of the QC35s may contribute to the sound leakage issue. The ear pads, while comfortable, don't seal well around the ears, which can allow sound to escape. This is particularly noticeable at maximum volume, where it is almost guaranteed that those nearby will be able to hear your music.
It's important to note that while the QC35s may not offer a completely private listening experience, they are still considered excellent noise-cancelling headphones. The level of sound leakage may depend on various factors, such as the shape of the user's head and the type of audio being played. Overall, while there is some sound leakage at moderate volumes, it may not be significant enough to disturb others in quiet environments.
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The QC35 ii has inferior noise cancellation to Sony wh1000xm3
The Bose QC35 II and Sony WH-1000XM3 are two top-of-the-line active noise-cancelling headphones. However, the Sony WH-1000XM3 offers superior noise cancellation compared to the Bose QC35 II.
The Sony WH-1000XM3 excels at attenuating noise above 100Hz, resulting in a more comprehensive noise cancellation experience. On the other hand, the Bose QC35 II performs better at blocking sub-100Hz noise, effectively reducing unwanted car engine sounds and low rumbles. This makes the Sony WH-1000XM3 ideal for everyday use, especially in noisy environments like flights and subway rides, where it can cancel out a wider range of frequencies.
The Sony WH-1000XM3 also boasts thicker ear pads, which contribute to its superior noise isolation. The ear pads create a better seal around the ears, preventing sound leakage. In contrast, the Bose QC35 II's ear pads are comfortable but don't seal as effectively, allowing sound to escape at higher volumes.
Some users have reported issues with the noise-cancelling feature on the Bose QC35 II after a firmware update. While the feature continues to work for some, others have noticed a decline in its performance, impacting their overall noise cancellation experience.
When it comes to controls, the two headphones offer different approaches. The Bose QC35 II provides physical buttons and a slider for control, while the Sony WH-1000XM3 utilizes a touchpad on the right ear cup, allowing users to adjust settings through gestures.
While the Bose QC35 II delivers impressive noise cancellation, the Sony WH-1000XM3 takes it a step further with its ability to attenuate a broader range of frequencies and its superior ear pad design, resulting in a more immersive and uninterrupted listening experience.
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Bose ear pads are comfortable but don't seal well
The Bose QC35 ii headphones are known for their comfortable ear pads. However, some users have reported that the ear pads don't seal well, which can cause sound leakage. This means that people nearby may be able to hear your music, especially if the volume is turned up high. This can be a problem if you are looking for a pair of headphones that offer privacy and don't want to disturb others.
One possible reason for the sound leakage is that the ear pads don't create a tight seal around the ears. This could be due to the design of the ear pads or the shape and size of the user's head and ears. While the soft and cushioned ear pads provide comfort, they may not form a complete seal, allowing sound to escape.
Additionally, some users have reported that the ear pads on their Bose headphones tend to wear out or peel off over time, which could further contribute to sound leakage. This issue seems to be common, with many users experiencing peeling after a few months of minimal use. Fortunately, Bose offers good customer support, and in some cases, they have provided free replacements for defective ear pads.
If you are experiencing sound leakage due to worn-out or defective ear pads, replacing them can be a quick and inexpensive solution. There are aftermarket replacement ear pad options available from third-party sellers, such as Amazon and eBay, which users have reported work just fine and can even last longer than the original Bose ear pads.
To summarise, while the Bose QC35 ii headphones offer comfortable ear pads, the lack of a proper seal can lead to sound leakage. This can be addressed by ensuring a proper fit and considering replacement ear pads if the originals wear out or peel off. By taking these steps, you can improve the privacy and enjoyment of your listening experience while still benefiting from the comfort of the Bose ear pads.
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High-end earbuds offer better noise cancellation
Noise-cancelling headphones and earbuds have become increasingly popular. While there are many options available, high-end earbuds offer better noise cancellation and sound quality compared to their lower-priced counterparts.
The Bose QuietComfort Ultra Earbuds 2nd Gen, for example, are rated as the best overall noise-cancelling earbuds by TechRadar. They offer impressive noise-cancelling capabilities, solid sound quality, and are lightweight and comfortable. Similarly, the Google Pixel Buds Pro 2s offer a seamless integration with Pixel phones, improved noise cancellation, and clearer audio.
High-end earbuds from well-known audio brands often come with advanced features that enhance noise cancellation and sound quality. For instance, the Technics EAH-AZ100 earbuds offer clean and accurate sound, improved noise-cancelling performance, and support for Sony's LDAC high-quality audio codec. The B&O Beoplay EX earbuds also showcase superior sound quality with deeper bass and richer, more accurate sound, along with good noise-cancelling capabilities.
While some lower-priced earbuds provide decent noise cancellation, high-end earbuds tend to offer more advanced active noise cancellation (ANC) technology. This technology actively blocks out ambient noise, allowing you to focus on your audio. The JBL Live Beam 3 earbuds, for instance, offer strong noise cancellation and impressive battery life, with up to 48 hours of total playback time.
In summary, high-end earbuds often provide better noise cancellation, superior sound quality, and more advanced features. They are designed to offer an immersive audio experience, blocking out unwanted noise and ensuring clear and detailed sound. While they may come at a higher price point, they can be a worthwhile investment for audio enthusiasts seeking the best noise-cancelling experience.
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The QC35s are not the best wireless headphones
Another issue with the QC35s is the sound quality. Some users have noticed a big difference in sound quality when comparing the QC35s to other headphones, such as the Sony WH1000XM3. The Sony headphones offer a better bitrate and higher frequency response, resulting in a superior listening experience. The noise-cancelling feature of the QC35s used to be a strong point, but a firmware update reduced its effectiveness, making it less reliable.
The design of the ear pads on the QC35s is also a concern. While they are comfortable, they don't seal well, contributing to the sound leakage problem. Other headphones, like the Sony WH1000XM3, have thicker ear pads that create a better seal around your ears, reducing sound leakage and improving noise isolation.
Additionally, the QC35s may not be the best choice for certain use cases. For example, if you want to listen to music while lying down, the design of the QC35s may not be as comfortable or convenient as other headphones that offer a different form factor. Ultimately, while the QC35s have some positive aspects, such as their fold mechanism, the aforementioned issues highlight why they may not be the best wireless headphones for everyone.
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Frequently asked questions
At moderate volume, people around you will be able to hear your music. At maximum volume, the sound leakage is more prominent.
The Bose QC25 ear pads are comfortable but don't seal well, which causes sound to leak out.
The sound leakage of the QC25 headphones is not as bad as the Beats Studios or Solo 3's, but it is still audible at moderate volumes.
Yes, the Sony WH1000XM3 headphones have thicker ear pads, possibly creating a better seal and reducing sound leakage.
You can rest the headphones on your leg and play music to determine if the sound is leaking.








































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