Bose QuietComfort Ultra Black
Score: 88/100
Sennheiser HDB 630
Score: 87/100Rankings
The Bose QuietComfort Ultra (2nd Gen) is an over-ear wireless headphone offering industry-leading ANC (~87% reduction) and up to 45 hours of battery life. Its premium features come with a few trade-offs such as inconsistent bass response and a non-functional wired microphone. Ideal for travelers and users who prioritize noise cancellation and long runtime.
The Sennheiser HDB 630 is a premium wireless over-ear headphone offering hybrid adaptive ANC and up to 60 hours of battery life with high-resolution audio support. Its substantial weight of 950 g and firm headband pressure can cause fatigue during long sessions. It is best suited for audiophiles and frequent travelers who prioritize sound quality and long endurance.
| Attribute | | |
|---|---|---|
45 hours | 60 hoursbest | |
— | 42 mmbest | |
| ↓ lower better | 480 gbest | 950 g |
— | 480 Ωbest | |
— | 105 dB SPLbest | |
— | 730 mAhbest | |
| ↓ lower better | 15 minutesbest | 120 minutes |
9.14 mbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Connectivity(1) | ||
Bluetooth Version | 5.4 | 5.2 |
Battery & Power(2) | ||
Battery Life (hours) | 45 hours | 60 hours |
Charging Time (minutes) | 15 minutes | 120 minutes |
Audio(1) | ||
Microphone Type | built-in wireless | MEMS |
Build & Design(2) | ||
Weight (g) | 480 g | 950 g |
Dimensions (H×W×D) (mm) | 55.5×155.5×213.5 mm mm | 49 x 36 x 5 mm mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the QuietComfort Ultra 2nd Gen for its industry-leading ANC (about 87% noise reduction), marathon-length battery life, and plush, lightweight comfort. They also highlight the addition of Bluetooth 5.4 multipoint and Immersive Audio spatial modes as valuable upgrades. However, critics note that sound consistency varies with ear anatomy, the wired mic is missing, and the generational leap over the 1st-gen model is modest, which may limit the perceived upgrade value.
Everyday users echo the experts on the strengths: the ANC is praised as a travel essential, the comfort allows all-day wear, and the long battery with quick-charge is a daily convenience. Recurring complaints focus on inconsistent bass/mid balance across different ear shapes, the non-functional wired microphone, and the absence of water-resistance, with some reporting listening fatigue from a still bass-heavy profile.
“ANC "best in the business" at 87% reduction”
Professional reviewers commend the HDB 630 for its neutral, detailed sound signature, robust hybrid ANC, and exceptional battery life, while noting the weight and headband pressure as comfort concerns for larger heads.
Everyday users appear satisfied with the long battery endurance and high-resolution audio performance, though the limited consumer review data prevents a full picture of long-term user experience.
