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2. Early Prime Day Deals: The Amazon October Big Deal Days ... - AOL

   www.aol.com/lifestyle/early-prime-day-deals-the...

   The Q4 shopping season is about to begin, and the kick-off will start soon. The Amazon October Prime Day is just days away, so here's all we know about the big savings event.

3. There are early Prime Day Apple deals that can't be ignored ...

   www.aol.com/lifestyle/there-are-early-prime-day...

   Amazon is gearing up for its big fall Prime Day event — scheduled for October 8 through October 9 — and though those dates are just around the corner, there are some early deals worth shopping ...

4. List of Bose headphones - Wikipedia

   en.wikipedia.org/wiki/List_of_Bose_headphones

   In 2019, Bose released the Noise Cancelling Headphones 700, also known as the NCH 700, a new high-end product positioned above the QC 35. [13] [14]The headphones have a stainless steel band and are controlled using a mix of buttons and touch-sensitive areas on the cups.

5. Noise-cancelling headphones - Wikipedia

   en.wikipedia.org/wiki/Noise-cancelling_headphones

   Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

6. Are Noise-Canceling Headphones Harmful to Your Ears? - AOL

   www.aol.com/noise-canceling-headphones-harmful...

   Noise cancellation works by creating an "anti-noise" wave 180 degrees out of phase with the original soundwave. This anti-noise wave cancels specific sound frequencies, nullifying this sound ...

7. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...