QUIETCOMFORT 45
IMPORTA N T SA F ET Y I N STR UCT I O N S Please read and keep all safety, security, and use instructions. Bose Corporation hereby declares that this product is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. The complete declaration of conformity can be found at: www.Bose.
IMPORTA N T SA F ET Y I N STR UCT I O N S • Keep the product away from fire and heat sources. Do NOT place naked flame sources, such as lighted candles, on or near the product. • Use this product only with an agency approved LPS power supply which meets local regulatory requirements (e.g., UL, CSA, VDE, CCC). • Do NOT make unauthorized alterations to this product. • If the battery leaks, do not allow the liquid to come in contact with the skin or eyes. If contact is made, seek medical advice.
REGUL ATORY A N D L EG A L I N FORM AT I O N NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
REGUL ATORY A N D L EG A L I N FORM AT I O N Please dispose of used batteries properly, following local regulations. Do not incinerate.
REGULRATORY A N D L IEG A L IM NAT FORM EG U L ATORY N FOR IO N AT I O N Security Information T his product is capable of receiving security updates from Bose automatically when connected to the Bose Music app. In order to receive security updates via the mobile application, you must complete the product setup process in the Bose Music app. If you do not complete the setup process, you will be responsible for installing security updates that Bose makes available via btu.Bose.
L I CEN SE D ISCLOSU R ES The following license disclosures apply to certain third-party software packages used as components in the product. Package: FreeRTOS Copyright © Amazon Web Services, Inc. or its affiliates. All rights reserved.
L I CEN SE D ISCLOSU R ES “Licensor” shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. “Legal Entity” shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity.
L I CEN SE D ISCLOSU R ES d.
CON T EN TS WHAT’S IN THE BOX Contents.............................................................................................................................. 13 BOSE MUSIC APP Download the Bose Music app................................................................................... 14 Add the headphones to an existing account........................................................ 14 HEADPHONE CONTROLS Power on....................................................................................
CON T EN TS WIRED CONNECTIONS Connect the audio cable............................................................................................... 27 BATTERY Charge the headphones................................................................................................ 28 Charging time........................................................................................................... 28 Hear the battery level...................................................................................
CON T EN TS TROUBLESHOOTING Try these solutions first................................................................................................. 36 Other solutions................................................................................................................. 36 Restore the headphones to factory settings........................................................
W HAT’S IN T HE BOX CONTENTS Confirm that the following parts are included: Bose QuietComfort 45 headphones Carry case USB Type-C® cable 3.5 mm to 2.5 mm audio cable NOTE: If any part of your product is damaged, do not use it. Contact your authorized Bose dealer or Bose customer service. Visit: worldwide.Bose.
BOSE M USI C A P P The Bose Music app lets you set up and control the headphones from any mobile device, such as a smartphone or tablet. Using the app, you can manage Bluetooth connections, manage headphone settings, choose your voice prompt language, and access new features through updates. NOTE: If you’ve already created a Bose Music account for another Bose product, add the headphones to your existing account (see the bottom of page 14). DOWNLOAD THE BOSE MUSIC APP 1.
HEA D P HON E CON TR OL S Action button Multi-function button Power/Bluetooth switch Volume up Volume down 2.
HEA D P HON E CON TR OL S POWER ON On the right earcup, slide the Power/Bluetooth switch to the right. A voice prompt announces the battery level, and the status light glows according to the current charge level (see page 29). Standby timer The standby timer conserves the battery when the headphones are not being used. To set up and customize the standby timer, use the Bose Music app.
HEA D P HON E CON TR OL S POWER OFF Slide the Power/Bluetooth switch to the left. NOTE: When the headphones are powered off, noise cancellation is disabled.
HEA D P HON E CON TR OL S HEADPHONE FUNCTIONS The headphone controls are located on the back of the right earcup. Media playback and volume Volume up Multi-function button Volume down FUNCTION WHAT TO DO Play/Pause Press the Multi-function button. Skip forward Double-press the Multi-function button. Skip backward Triple-press the Multi-function button. Volume up Press H. Volume down Press z. NOTES: • To quickly increase the volume, press and hold H.
HEA D P HON E CON TR OL S Phone calls The Multi-function button is located on the back of the right earcup. The microphone is located near the front of the right earcup. The Action button is located on the back of the left earcup. Action button Multi-function button Microphone FUNCTION WHAT TO DO Answer/End a call Press the Multi-function button. Decline an incoming call Press and hold the Multi-function button for 1 second.
HEA D P HON E CON TR OL S Action button The Action button allows you to quickly and easily switch between noise cancelling modes. The Action button is located on the back of the left earcup. Action button To switch between Quiet Mode and Aware Mode, press the Action button. For information about noise cancelling modes, see page 21.
N OI SE CA N CEL L AT ION Noise cancelling reduces unwanted noise, providing a clearer and more lifelike audio performance. You can choose between two noise cancelling modes: Quiet and Aware. Quiet Mode allows you to block out distractions using the highest level of noise cancellation. Aware Mode provides full transparency and allows you to hear your surroundings while enjoying your audio. Choose your noise noise cancelling mode based on your listening preferences and environment.
VOICE CON TR OL ACCESS VOICE CONTROL You can use the headphones to access voice control on your mobile device. To access voice control, press and hold the Multi-function button for 1 second. The Multi-function button is located on the back of the right earcup. NOTE: You can’t access voice control while on a call.
B LU E TO OT H CON N ECTI ONS CONNECT USING THE BLUETOOTH MENU ON YOUR MOBILE DEVICE You can store up to eight devices in the headphone device list, and the headphones can be actively connected to two devices at a time. You can play audio from only one device at a time. NOTE: For the best experience, use the Bose Music app to set up and connect your mobile device (see page 14). 1. Slide the Power/Bluetooth switch to the right l and hold for 3 seconds.
B LUW E TO hat’s OT H in CON the N ECTI boxONS 2. On your device, enable the Bluetooth feature. NOTE: The Bluetooth feature is usually found in the Settings menu. 3. Select your headphones from the device list. TIP: Look for the name you entered for your headphones in the Bose Music app. If you didn’t name your headphones, the default name appears. QuietComfort 45 Once connected, you hear “Connected to ,” and the status light glows solid blue for 10 seconds.
B LUW E TO hat’s OT H in CON the N ECTI boxONS DISCONNECT A MOBILE DEVICE Use the Bose Music app to disconnect your mobile device. TIP: You can also use Bluetooth settings to disconnect your device. Disabling the Bluetooth feature disconnects all other devices. RECONNECT A MOBILE DEVICE When powered on, the headphones try to reconnect with the two most recently-connected devices. NOTES: • The device must be within range (30 ft or 9 m) and powered on.
B LUW E TO hat’s OT H in CON the N ECTI boxONS RECONNECT A PREVIOUSLY CONNECTED DEVICE 1. Slide the Power/Bluetooth switch to the right l and release to hear which device is connected. 2. Within 2 seconds, slide the Power/Bluetooth switch to the right l and release again to connect to the next device in the headphone device list. 3. Repeat until you hear the correct device name. You hear a tone that indicates when the device is connected. 4. Play audio on the connected mobile device.
W I R ED CON N ECTI ON S CONNECT THE AUDIO CABLE Use the 2.5 mm to 3.5 mm cable to connect a non-wireless device or to continue using the headphones if the battery is depleted. 1. Connect the cable into the 2.5 mm port on the left earcup. 2. Connect the other end of the cable into the 3.5 mm port on your device. NOTE: You can use the headphones powered on or off when the the audio cable is connected.
BAT T ERY CHARGE THE HEADPHONES 1. Connect the small end of the USB cable into the USB-C port on the right earcup. 2. Connect the other end into a USB wall charger. NOTES: • When the headphones begin charging, the status light blinks white for 10 seconds. When fully charged, the status light glows solid white. • The headphones don’t play while charging. Charging time Allow up to 2.5 hours to fully charge the headphones.
HEA D P HON E STAT U S The status light is located on the right earcup. Headphone status light BLUETOOTH STATUS Shows the Bluetooth connection status. LIGHT ACTIVITY SYSTEM STATE Blinking blue Ready to connect Solid blue (10 seconds) Connected BATTERY STATUS Shows the battery level. LIGHT ACTIVITY SYSTEM STATE Solid white Medium to full charge Solid amber Low charge TIP: You can also check the battery level using the Bose Music app.
HEA W hat’s D P HON in E the STAT box US CHARGING STATUS Shows the charging status. LIGHT ACTIVITY SYSTEM STATE Blinks white 2 times Charging begins Solid amber Charging Solid white Full charge UPDATE AND ERROR STATUS Shows the update or error status.
CON N ECT BOSE P R OD U CTS CONNECT A BOSE SMART SPEAKER OR SOUNDBAR Using SimpleSync™ technology, you can connect the headphones to a Bose Smart Soundbar or Bose Smart Speaker for a personal listening experience. Benefits • Use independent volume controls on each product to lower or mute your Bose Smart Soundbar while keeping the headphones as loud as you like. • Hear your music clearly from the next room by connecting the headphones to your Bose Smart Speaker.
CON N ECT BOSE P R OD U CTS RECONNECT TO A BOSE SMART SPEAKER OR SOUNDBAR Power on the headphones (see “Power on” on page 16). The headphones try to connect to the two most recently-connected Bluetooth devices, including your soundbar or speaker. NOTES: • Your soundbar or speaker must be within range (30 ft or 9 m) and powered on. • If the headphones don’t reconnect, see “Headphones don’t reconnect to a previously-connected Bose Smart Soundbar or Speaker” on page 38.
CA R E A N D M A IN T EN A N CE STORE THE HEADPHONES The earcups rotate for easy, convenient storage. Place the headphones flat into the case. 1. Rotate both earcups inward so they lay flat. Left earcup Right earcup 2. Fold the left earcup up toward the headband. NOTES: • Make sure to power off the headphones when not in use. • Before storing the headphones for more than a few months, make sure the battery is fully charged.
CA R E A N D M A IN T EN A N CE CLEAN THE HEADPHONES Wipe the outside surfaces with a soft, dry cloth. Don’t allow moisture to get inside the earcups. REPLACEMENT PARTS AND ACCESSORIES Replacement parts and accessories can be ordered through Bose customer service. Visit: worldwide.Bose.com/Support/QC45 LIMITED WARRANTY Your headphones are covered by a limited warranty. Visit our website at global.Bose.com/warranty for details of the limited warranty. To register your product, visit global.Bose.
CA R E A N D M A IN T EN A N CE SERIAL NUMBER LOCATION The serial number is located inside the right earcup under the scrim. The scrim is the inner screen that covers and protects the components inside the earcup. To view the serial number, grab the scrim at the top edge and gently peel it away. CAUTION: Be careful not to press down on or remove any other components inside the earcup as this could damage the headphones.
T R OUBL ESHOOTI N G TRY THESE SOLUTIONS FIRST If you experience problems with your headphones: • Check the state of the status light (see page 29). • Charge the battery (see page 28). • Increase the volume on your headphones, mobile device, and music app. • Try connecting another mobile device (see page 25). If you could not resolve your issue, see the table below to identify symptoms and solutions to common problems. If you are unable to resolve your issue, contact Bose customer service.
T R OUBL ESHOOTI N G SYMPTOM SOLUTION Power on the headphones and charge the battery. Check the state of the status light (see page 29). Slide the Power/Bluetooth switch to the right and release to hear the connected device. Make sure you are using the correct device. No sound Move your mobile device closer to the headphones and away from any interference or obstructions. Use a different music source. If two mobile devices are connected, pause your other device first.
T R OUBL ESHOOTI N G SYMPTOM Headphones don’t connect to a Bose Smart Soundbar or Speaker SOLUTION Slide and hold the Power/Bluetooth button until you hear “Ready to connect another device,” and the Bluetooth light blinks blue. Make sure that the headphones are within 30 ft (9 m) of your soundbar or speaker. Headphones don’t reconnect to a previously-connected Bose Smart Soundbar or Speaker Reconnect a previously-connected device (see page 26).
T R OUBL ESHOOTI N G A restore to factory settings can clear all settings and return the headphones to their original out-of-box state. After, the headphones can be configured as if they were being set up for the first time. Restoring to factory settings is only recommended if you are having issues with the headphones, or you have been instructed to do so by Bose customer service. RESTORE THE HEADPHONES TO FACTORY SETTINGS 1. Remove the headphones from the Bluetooth list on your device. 2.
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