The ANC (Active Noise Cancellation) may not be working properly due to several reasons. It could be a hardware issue, such as a malfunctioning microphone or speaker. It could also be a software issue, such as a bug or glitch in the ANC algorithm. Additionally, ANC performance can be affected by environmental factors, such as high levels of ambient noise or interference. It is important to troubleshoot and identify the specific cause of the problem in order to address it effectively. **

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ANC (Active Noise Cancellation) and NC (Passive Noise Cancellation) are both technologies used in headphones to reduce external noise, but they work in different ways. ANC uses microphones to pick up external noise and then creates sound waves that are the exact opposite to cancel out the noise. NC, on the other hand, relies on the physical design of the headphones to block out external noise. ANC is generally more effective at reducing low-frequency sounds like airplane engines, while NC is better at blocking out higher frequency sounds like voices or traffic. **

No, the ANC (Active Noise Cancellation) of the Sony WH-1000MX3 is not bad. In fact, it is highly regarded for its effectiveness in blocking out external noise and providing a more immersive listening experience. The ANC technology in these headphones is considered one of the best in the market, making them a popular choice for those looking to enjoy their music or movies without being disturbed by surrounding noise. **

Some good ANC headphones for 75 euros include the Anker Soundcore Life Q20, the TaoTronics SoundSurge 60, and the JBL Tune 600BTNC. These headphones offer active noise cancellation, good sound quality, and comfortable designs, making them great options for the price. Additionally, they often come with features such as long battery life, Bluetooth connectivity, and built-in microphones for hands-free calling. **

Some good in-ear headphones with ANC (active noise cancellation) include the Sony WF-1000XM4, Bose QuietComfort Earbuds, and Apple AirPods Pro. These headphones offer excellent sound quality and effective noise cancellation, making them ideal for blocking out external noise in various environments. Additionally, they are comfortable to wear for extended periods and come with convenient features such as touch controls and long battery life. **

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