Battery life
- Bose QuietComfort 45
- Up to 22 hours per charge
- Bose QuietComfort Ultra Headphones 2nd Gen
- Up to 30 hours per charge
Headphones comparison
Bose QuietComfort 45 vs Bose QuietComfort Ultra Headphones 2nd Gen
Compare sound, battery life, fit, controls and connections.
01Selected  Bose QuietComfort 45
KSh 45,000Out of Stock | 02  Bose QuietComfort Ultra Headphones 2nd Gen
KSh 53,500In Stock |
|---|
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Bose QuietComfort UltraKSh 44,500
Bose Headphones 700KSh 38,000
Sony WH-1000XM6 HeadphonesKSh 44,000
2 of 4 products
Our quick verdict
The Bose QuietComfort Ultra Headphones 2nd Gen lasts longer per charge (30 hours) and has virtual surround sound, while the Bose QuietComfort 45 has faster recharging (2.25 hours).
Connections
- Bose QuietComfort 45
- Bluetooth 5.1 connection
- Bose QuietComfort Ultra Headphones 2nd Gen
- Bluetooth 5.4 connection
Fit
- Bose QuietComfort 45
- Cushioned over-ear earcups
- Bose QuietComfort Ultra Headphones 2nd Gen
- Protein-leather over-ear cushions
Controls
- Bose QuietComfort 45
- Physical buttons for playback, calls, volume and listening modes
- Bose QuietComfort Ultra Headphones 2nd Gen
- On-device playback, volume and call controls
Audio
- Bose QuietComfort 45
- Adjustable EQ
- Bose QuietComfort Ultra Headphones 2nd Gen
- Bose Immersive Audio & Cinema Mode
Key differences
The main differences to help you choose.
Bose QuietComfort 45
- Recharges faster: 2.25 hours (vs 3 hours).
- Connection: Bluetooth or 2.5 mm audio cable.
Bose QuietComfort Ultra Headphones 2nd Gen
- Rated for up to 30 hours per charge (vs 22).
- Newer Bluetooth 5.4 (vs 5.1).
- Virtual surround sound.
- Newer model: released in 2025 (vs 2021).
- Connection: Bluetooth, USB-C audio or 2.5mm auxiliary.
- aptX Adaptive hi-res Bluetooth codec support.
What matters most to you?
6 priorities selected.
| Priority | Bose QuietComfort 45 | Bose QuietComfort Ultra Headphones 2nd Gen |
|---|---|---|
| Fit | Cushioned over-ear earcups | Protein-leather over-ear cushions |
| Battery life | Up to 22 hours per charge | Up to 30 hours per charge |
| Two devices | Stays connected to two devices | Stays connected to two devices |
| Controls | Physical buttons for playback, calls, volume and listening modes | On-device playback, volume and call controls |
| Noise cancellation | Noise cancellation for listening | Noise cancellation for listening |
| Connections | Bluetooth 5.1 | Bluetooth 5.4 |
| Audio | Adjustable EQ | Bose Immersive Audio & Cinema Mode |
| Software | Works with the Bose Music app | Works with the Bose app |
| Charging time | Approximately 2.25 hours | 3 hours |
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 Ultra Headphones 2nd Gen is the better buy; the Bose QuietComfort 45 makes sense if you want faster recharging.
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