QuietComfort® 45 headphones with 24-hour battery

Bose introduces the new QuietComfort® 45 headphones with 24-hour battery.

August 31, 2021 – The new QuietComfort® 45 headphones from Bose replace the renowned QuietComfort 35 II with greater noise cancellation, new AWARE Mode to let the world in, increased voice isolation for simpler conversations, and 24-hour battery life on a single charge. Amazing audio performance, all-day comfort and stability, super-simple controls, rock-solid connectivity, and an upgrade to the iconic style that made QCs one of the most identifiable wearables ever are all features of the QuietComfort 45. Pre-orders for the QuietComfort 45 headphones, which will be available on September 23rd for $329.95, begin today at Bose.com and select resellers.

“QuietComfort headphones are legendary for a reason,” said Mehul Trivedi, category director, Bose wearable audio. “What started as a product for traveling became a product that makes every day better and easier for millions of people all over the world. Our customers have told us for years that it’s the balance of benefits that make a QuietComfort so different and indispensable. They’ve always been a great example of excelling where it matters most. And the QC45s are no different.” 

Two Modes — QUIET and AWARE

The QuietComfort 45 headphones have only two settings, both of which are reached with the help of a new active noise cancellation mechanism and electronics package. In QUIET Mode, microphones inside and outside the earcups work together with a proprietary digital chip to detect, measure, and respond to more undesired mid-range frequencies, such as those prevalent in commuter trains, crowded offices, and cafés. The now-famous “whoosh” associated with Bose noise-canceling technology occurs in a fraction of a millisecond, allowing you to completely tune out or enjoy music, podcasts, or movies with lifelike clarity, detail, and no distractions. Without ever taking them off, QC45 headphones transition to full transparency in AWARE Mode, where everything is heard anew – just as naturally, clearly, and fast as before.

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Anywhere Voice Isolation for Easy Conversations

Owners of the QC45 can share their noise cancellation for phone calls and orders. A beam-form array isolates their speech, while a rejection array dampens and eliminates auditory disturbances around them, such as a coffee grinder or a barking dog, from being picked up and sent to whomever they’re speaking with. Friends, family, coworkers, and personal assistants will all be able to hear what’s being said, allowing for more efficient Zoom meetings, happier video conversations, and more accurate VPA responses on anything from text dictation to receiving directions to operating a smart home.


The QC45 expands on its predecessor’s iconic design, retaining all of the design features that made it an instantly recognizable classic, as well as all of the comfort and stability that made it an all-day-everyday headphone. Soft fabrics have been free of pleats and puckers, and gaps between components have been replaced with seamless transitions. They’re also robust, lightweight, and fold flat to store in the supplied compact carrying bag. Triple Black and White Smoke, both with a gorgeous matte texture, are classic QC45 colors. In the Bose noise-canceling family, they join the QC Earbuds and Noise Cancelling Headphones 700.

The Ease of Buttons, Multi-Point Connections, and SimpleSync with Bose Soundbars

The QuietComfort® 45 headphones are very functional, featuring easy-to-operate controls. On the right earcup, there are four buttons: volume up, volume down, power, and Bluetooth® pairing, as well as one for the most typical tasks: answering and terminating conversations, playing and pausing music, and accessing native VPAs. Another button on the left earcup allows you to switch between modes and silence the microphone during calls. The Bose Music app provides further setup and usage assistance, including multi-point Bluetooth® 5.1 connections for iOS and Android devices — as well as Bose SimpleSyncTM, which allows you to pair a QC45 with compatible Bose Soundbars for the ultimate private watch party.

QuietComfort® 45 headphones with 24-hour battery
Bose introduces the new QuietComfort® 45 headphones with 24-hour battery

24 Hours of Battery Life, USB-C Charging

QC45 headphones have up to 24 hours of battery life — outlasting the longest flights in the world, 20 back-to-back conference calls, or study all-nighters with time to spare. They now charge via USB-C®: it takes two hours for a full charge, and a quick 15 minutes for three hours of playback. 

About Bose Corporation

Bose Corporation was founded in 1964 by Dr. Amar G. Bose, then a professor of electrical engineering at the Massachusetts Institute of Technology. Today, the company is driven by its founding principles, investing in long-term research to develop new technologies with real customer benefits. Bose innovations have spanned decades and industries, creating and transforming categories in audio and beyond. Bose products for the home, in the car, on the go, and in public spaces have become iconic, changing the way people listen to music.

Bose Corporation is privately held. The company’s spirit of invention, passion for excellence, and commitment to extraordinary experiences can be found around the world — everywhere Bose does business.

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