Bose cancels the noise
Through significant engineering advancements in active and passive noise reduction technologies, the QC15 headphones offer more attenuation in louder environments and across a wider range of frequencies - without compromising the audio quality and comfortable fit of the acclaimed QuietComfort headphone line.
The QuietComfort 15 headphones debut a more sophisticated, proprietary electronics approach to active noise reduction, placing microphones both inside and outside the earcup. This electronics system better senses the sound in almost any environment and then more effectively measures, compares and reacts to the noise - instant by instant - to produce an opposing cancellation signal. New proprietary ear cushion technology provides additional passive attenuation. It features a new mechanical design and uses materials selected for specific acoustic properties to block more noise from entering the earcup.
Through research in user testing, the QC15 headphones overcome the inherent challenge of all headphones - the performance variation from user to user, caused by the difference in head shape and size. Bose engineers used a proprietary acoustic design to deliver a consistent experience for all owners. The resulting performance is demonstrable. The engine roar fades further away, there is less distraction at work or at home, and when music is preferred, it is heard more clearly: within a quieter environment, more definition and detail are revealed.
The QC15 headphones benefit from decades of research in on-head audio. Proprietary active equalization technology electronically tunes the frequency response of the headphones, ensuring the accurate reproduction of instruments and vocals. Bose TriPort acoustic headphone structure is incorporated, a technology featuring small ports in the earcups that dramatically increase the low-frequency output of the system. Deep low notes are delivered naturally, without a manufactured "boost" and without increasing headphone size or weight.
The QuietComfort 15 headphones feature an around-ear design that maintains the renowned comfort of its predecessors. A single earcup cable can be detached for untethered noise reduction. Once the cable is removed, listeners need only flip a switch on the right earcup to activate the proprietary technology. A single AAA battery powers the QC15 headphones for approximately 35 hours of use. The green on/off indicator light flashes when there is approximately five hours of battery life remaining. For compact storage, the earcups rotate to a flat resting position and fit easily into the provided newly designed carrying case.
On a flight from Europe to Boston in 1978, Dr. Amar Bose had his first experience with electronic headphones. Disappointed in their performance, he initiated a research program at Bose to develop a headset that would reproduce speech and music with high fidelity - and significantly reduce unwanted cabin noise. In 1989, the first commercially available Bose active noise reduction headset was introduced. Since then, Bose engineers have developed additional products for the aviation and military markets: the Combat Vehicle Crewman headset, Aviation Headset X, Performance Improved Combat Vehicle Crewman headset, and TriPort tactical headset.
Bose engineers leveraged this research and applied it to a consumer headphone. In 2000, the QuietComfort Acoustic Noise Cancelling headphones were introduced, beginning an industry revolution. Today, Bose QuietComfort headphones enjoy worldwide recognition and the consumer following of an iconic product. ■