Introducció
The Bose QuietComfort Ultra Bluetooth Headphones (2nd Gen) are engineered to provide an immersive audio experience with advanced noise cancellation and spatialized audio. This manual provides essential information for setting up, operating, and maintaining your headphones.

Image: Bose QuietComfort Ultra Headphones (2nd Gen) in Desert Gold, showcasing the sleek design and over-ear form factor.
Què hi ha a la caixa
- Bose QuietComfort Ultra Headphones (2nd Gen)
- Funda protectora
- Cable USB-C a USB-C
- Audio cable 2.5mm-to-3.5mm
- Full de seguretat

Image: The protective case for the Bose QuietComfort Ultra Headphones, designed for safe storage and transport.
Configuració
1. Càrrega inicial
Before first use, fully charge your headphones using the provided USB-C to USB-C cable. Connect the cable to the headphone's USB-C port and a compatible USB power source. A full charge takes approximately 3 hours.
2. Emparellament Bluetooth
- Engega els auriculars.
- Enable Bluetooth on your device (e.g., cellphone, laptop, tablet).
- Open the Bose app and follow the on-screen instructions to connect.
- For manual pairing, put the headphones into pairing mode (refer to the safety sheet for specific button combinations). Select "Bose QuietComfort Ultra" from your device's Bluetooth list.
3. Bose App Installation
Download the Bose app from your device's app store. The app provides access to software updates, personalized audio settings, and advanced features like CustomTune technology and various listening modes.
Instruccions de funcionament
1. Encendre/apagar
Locate the power button on the headphone earcup. Press and hold to power on or off.
2. Modes de control de soroll
The headphones offer multiple noise control modes:
- Mode silenciós: Provides Bose's best noise cancellation, ideal for minimizing distractions.
- Mode conscient: Et permet escoltar el teu entorn mentre gaudeixes de l'àudio.
- Mode d'immersió: Combines noise cancellation with Bose Immersive Audio for an expanded sound experience.
- Mode cinema: Spatializes and balances background sound and effects for a movie-like audio experience.
Switch between modes using the dedicated button on the earcup or via the Bose app.
3. Spatialized Audio & CustomTune
Bose Immersive Audio expands sound, placing it in front of you for a more natural listening experience. CustomTune technology analyzes your ear shape to personalize audio performance, ensuring optimal sound delivery.
4. Controls
The headphones feature button controls for playback, volume, and call management. Refer to the safety sheet for detailed button functions.
5. USB Audio
For wired listening, connect the USB-C to USB-C cable to a compatible device. This provides lossless audio for high-fidelity sound.
6. Built-in Microphones
Noise-rejecting microphones focus on your voice, while AI-based background noise suppression filters out environmental sounds and wind for clear phone calls.
7. Durada de la bateria
Enjoy up to 30 hours of play time (23 hours with Immersive Audio enabled). The headphones can be charged while in use.
Manteniment
- Neteja: Wipe the headphones with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Emmagatzematge: Store the headphones in their protective case when not in use to prevent damage.
- Cura de la bateria: Avoid fully discharging the battery frequently. Charge regularly to prolong battery life.
Resolució de problemes
- Sense energia: Assegureu-vos que els auriculars estiguin carregats.
- Sense àudio: Check Bluetooth connection, volume levels, and ensure the correct audio source is selected.
- Cancel·lació de soroll deficient: Ensure earcups form a tight seal around your ears. Adjust fit if necessary.
- Problemes de connexió: Try restarting the headphones and your device. Re-pair if needed.
Especificacions
| Marca | Bose |
| Nom del model | Bose QuietComfort Ultra Headphones (2nd Gen) |
| Tecnologia de connectivitat | Sense fil (Bluetooth 5.4) |
| Control de soroll | Cancel·lació activa del soroll |
| Durada de la bateria | Up to 30 Hours (23 with Immersive Audio) |
| Temps de càrrega | 3 hores |
| Conector d'auriculars | 3.5 mm Jack (2.5mm-to-3.5mm audio cable included) |
| Pes de l'article | 0.48 quilograms (1.06 lliures) |
| Dimensions del producte | 8.41 x 6.12 x 2.19 polzades |
Garantia i Suport
For warranty information, technical support, and the latest software updates, please refer to the Bose app or visit the official Bose support website. The Bose app is essential for ensuring optimal functionality and accessing all features.
Visita el Bose Store per obtenir més informació sobre el producte.





