Bose QuietComfort Ultra Headphones (2nd Gen vs Sonos Ace
 Bose QuietComfort Ultra Headphones (2nd Gen |  Sonos Ace | |
| The short answer | About the same Over-ear noise cancelling headphones listed at 30 hours of battery and a 3-hour charge, with USB-C and Bluetooth.Optional BoseCare extended warranty is sold separately on the US page. | Noise cancelling Active Noise Cancellation adapting to fit and surroundings · Battery life Up to 30 hours with ANC enabled · Codecs AAC, SBC, AptX |
| China price | No price yet | No price yet |
| US price (pre-tax) | $359.99Best Buy · Checked 11-05 21:07 | $319Best Buy · Checked 11-05 21:07 |
| Gap (US pre-tax) | — | — |
| Key specs | ||
| Battery | 30 hours (US listing) | — |
| Charging | 3 hours, USB-C | — |
| Connection | Bluetooth; gaming mode with Snapdragon Sound sources (per page) | — |
| Materials | Plastic, aluminum, protein leather ear cushions | — |
| Noise cancelling | Active Noise Cancellation with Quiet and Aware modes; Bose lists adjustable ANC | Active Noise Cancellation adapting to fit and surroundings |
| Battery life | Up to 30 hours; up to 23 hours with Immersive Audio; a 15-minute charge gives about 3 hours of playback | Up to 30 hours with ANC enabled |
| Codecs | SBC, AAC, aptX Adaptive (Snapdragon Sound) | AAC, SBC, AptX |
| Wired connection | USB-C audio (16-bit, 44.1 or 48 kHz) and 2.5 mm to 3.5 mm cable included | USB-C for charging/wired, 3.5mm analog |
| Foldable | Foldable earcups, folds into the included carry case | Earcups fold flat; the headphones do not fold inward for travel |
| Weight | 0.583 lb (about 264 g) for the headphones | 0.69 lb (312 g) |
| Multipoint | Bluetooth 5.4 with multipoint | Bluetooth multipoint for two devices simultaneously |
| Spatial audio | — | Dolby Atmos with dynamic head tracking |