Bose QuietComfort Ultra vs Sennheiser HD 4.50 BT

The Bose QuietComfort Ultra Headphones combine Bose's renowned noise cancellation with a new Immersive Audio mode that adds spatialization and head tracking to any content, creating a more three-dimensional listening experience for music and movies. An updated CustomTune sound calibration technology automatically adjusts audio and noise cancellation to the specific fit and shape of the wearer's ears each time the headphones are put on. With up to 24 hours of battery life (18 hours with Immersive Audio active) and a lightweight, plush design, they are built for all-day comfort during long listening or travel sessions.

The Sennheiser HD 4.50 BT combines wireless freedom, intuitive operation, and robust active noise cancellation into a sleek, portable over-ear design. Engineered for everyday listening, it delivers detailed, high-quality audio reproduction without the restriction of cables. Built for comfort and convenience, the headset features soft leatherette ear pads, an integrated microphone for calls, and a foldable headband. With reliable battery life and intuitive ear-cup controls, it is an ideal audio companion for travel, work, and daily commutes.

• Exceptional noise cancellation quality
• Very comfortable for long sessions
• Immersive Audio is a genuinely novel feature
• Strong build quality

• Effective NoiseGard active noise cancellation
• Comfortable over-ear fit for extended listening sessions
• Reliable wireless Bluetooth connectivity with NFC support
• Includes a wired mode for battery-free use

• Premium price point
• Immersive Audio reduces battery life
• Case is fairly large

• Micro-USB charging instead of modern USB-C
• Earcups can feel warm during prolonged summer wear
• Carrying pouch offers limited physical protection compared to a hard case