The Bose QuietComfort Ultra (2nd Gen) supports two wired connection methods—a notable upgrade over the 1st Gen.
Wired Options
| Connection | Cable Included | Key Benefits | |------------|----------------|--------------| | USB-C | Yes | Digital audio, charges while playing | | 3.5mm analog | Yes | Universal compatibility, works at 0% battery |
USB-C Audio (New Feature)
The 1st Gen only used USB-C for charging. The 2nd Gen now supports full audio playback over USB-C.
Advantages:
- Digital audio bypasses Bluetooth compression
- Headphones charge while listening
- Compatible with laptops, tablets, Nintendo Switch, and USB-C phones
- Full feature support (ANC, Immersive Audio, controls)
Best for: Audiophiles wanting lossless audio from computers, or travelers using USB-C in-flight entertainment ports.
3.5mm Analog Audio
The traditional 3.5mm cable provides universal compatibility.
Best for: Airplane entertainment systems, older devices, or emergency use when battery is depleted.
Important: With a completely dead battery, 3.5mm provides passive audio only—no ANC or Immersive Audio.
Feature Availability in Wired Mode
Unlike some competitors, the QuietComfort Ultra maintains full functionality when wired:
- ✓ Active Noise Cancellation
- ✓ Immersive Audio
- ✓ Aware (Transparency) Mode
- ✓ On-ear controls
Active features require battery power
This USB-C audio support was one of the most requested features from 1st Gen owners and represents a meaningful upgrade for the 2nd Gen model.
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