Weight
- Bose QuietComfort Ultra
- 253 g
- Bose QuietComfort 45
- About 240 g
Headphones comparison
Bose QuietComfort Ultra vs Bose QuietComfort 45
Compare sound, battery life, fit, controls and connections.
01Selected  Bose QuietComfort Ultra
KSh 44,500In Stock | 02  Bose QuietComfort 45
KSh 45,000Out of Stock |
|---|
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2 of 4 products
Our quick verdict
The Bose QuietComfort 45 is the stronger choice: it has faster recharging (2.25 hours) and is lighter on the head, while the Bose QuietComfort Ultra only has virtual surround sound.
Fit
- Bose QuietComfort Ultra
- Protein-leather over-ear cushions
- Bose QuietComfort 45
- Cushioned over-ear earcups
Battery life
- Bose QuietComfort Ultra
- Up to 24 hours per charge
- Bose QuietComfort 45
- Up to 22 hours per charge
Controls
- Bose QuietComfort Ultra
- Physical buttons and capacitive volume strip
- Bose QuietComfort 45
- Physical buttons for playback, calls, volume and listening modes
Audio
- Bose QuietComfort Ultra
- Bose Immersive Audio
- Bose QuietComfort 45
- Adjustable EQ
Key differences
The main differences to help you choose.
Bose QuietComfort Ultra
- Virtual surround sound.
- Newer model: released in 2023 (vs 2021).
- Connection: Bluetooth or 2.5mm-to-3.5mm audio cable.
- Supports spatial audio.
- aptX Adaptive hi-res Bluetooth codec support.
Bose QuietComfort 45
- Recharges faster: 2.25 hours (vs 3 hours).
- Lighter: about 240 g (vs 253 g).
- Connection: Bluetooth or 2.5 mm audio cable.
What matters most to you?
6 priorities selected.
| Priority | Bose QuietComfort Ultra | Bose QuietComfort 45 |
|---|---|---|
| Fit | Protein-leather over-ear cushions | Cushioned over-ear earcups |
| Weight | 253 g | About 240 g |
| Battery life | Up to 24 hours per charge | Up to 22 hours per charge |
| Two devices | Stays connected to two devices | Stays connected to two devices |
| Controls | Physical buttons and capacitive volume strip | Physical buttons for playback, calls, volume and listening modes |
| Noise cancellation | Noise cancellation for listening | Noise cancellation for listening |
| Connections | Bluetooth 5.1 | Bluetooth 5.1 |
| Audio | Bose Immersive Audio | Adjustable EQ |
| Charging | 15 minutes provides up to 2.5 hours | 15 minutes provides up to 3 hours |
| Software | Works with the Bose app | Works with the Bose Music app |
| Transparency / ambient mode | Aware mode with ActiveSense | Aware Mode |
Tick a topic above to see how each product answers it.
Detailed comparison
Explore the full specifications, section by section.
These products have the same published specifications.
Similarities
- Both have active noise cancellation.
- Both work with a companion app.
- Both have an ambient mode to hear your surroundings.
- Both charge over USB-C.
- Both have built-in microphones for calls.
- Both connect over Bluetooth.
In summary
For most buyers the Bose QuietComfort 45 is the better buy; the Bose QuietComfort Ultra makes sense if you want virtual surround sound.
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