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This is a private listing and your identity will not be disclosed to anyone except the seller. Bose has added two new products to its range: the QuietComfort 20 in-ear noise-cancelling headphones (?260), and Bose SoundLink Mini Bluetooth speaker (?170). The QuietComfort 20s are Bose's first in-ear noise-cancelling models, and weigh just 1.5 ounces. The measurements are then sent to a digital electronic chip located in the control module found on the headphone chord. Bose says its Truport technology uses ports on the earbuds to reproduce "deep lows, and lifelike vocals and instruments", while active equalisation tunes the frequency response for "improved, natural sound". New proprietary StayHear+ ear tips feature an improved conical design for a better fit in the ear and to block external noise.
Owners can use the BoseQuietComfort 20s in one of two ways: either with full noise cancelling engaged, or in 'Aware mode' which keeps the music playing, but allows external sounds such as a car horn beeping or a friend talking to be heard.


The headphones include an integrated in-line mic and controls that enable you to take phone calls. Also announced by Bose today is its SoundLink Mini Bluetooth speaker, available from July 11th.
And Bose uses DSP (digital signal processing) to create a "tonally balanced sound at any listening level". The Bose SoundLink Mini uses Bluetooth A2DP, comes with a charging cradle and has a lithium-ion battery good for a claimed seven hours of listening.
You are currently viewing our boards as a NON JUNKIE which gives you limited access to view most discussions and our other features. I know the purpose of ear muffs is to block sound waves from reaching your ears through the use of certain insulating materials.
My question is, from a hearing protection standpoint, is the impact on the user's ear the same?
What about if you are wearing the noise cancelling head phones while using jackhammer, and blasting your fav Metallica tunes on the ipod?
That's my point, I want to save my ears from machinery and tools so that I can destroy them by listening to good music and movies.
I use my iphone for music while riding, so I can go deaf, text and watch porn at the same time.
Although it is difficult to accept that adding two sounds can result in zero sound, you need to remember that sound is a compression wave in air or other media. Delivery times may vary, especially during peak periods and will depend on when your payment clears - opens in a new window or tab.


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Bose engineers have placed two tiny microphones in each earbud: one senses the sound approaching, the other measures the sound inside. The chip – exclusive to Bose – calculates an equal and opposite noise cancellation signal within a fraction of a millisecond.
It's designed to fit in the palm of your hand, connects wirelessly via Bluetooth to a laptop, smartphone or tablet, and comes in an aluminium housing. By joining our FREE community you will be able to post topics, communicate privately with other members (PM), respond to polls, upload content and access many fantastic features. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable.



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