Quick takeaway
Bose QuietComfort Ultra Headphones leads this matchup 2 to 0 on measured spec rows and by 100 points overall. Sennheiser HD 660S2 is also about $279.01 cheaper at the latest tracked price.
Bose QuietComfort Ultra Headphones vs Sennheiser HD 660S2
Choose Bose QuietComfort Ultra Headphones if...
Pick Bose QuietComfort Ultra Headphones if battery life and bluetooth version are the reasons you are shopping in this category. It currently costs about $279.01 more, so make sure those wins matter to you.
Choose Sennheiser HD 660S2 if...
Pick Sennheiser HD 660S2 if its current price, brand, or design fits your shortlist better than Bose QuietComfort Ultra Headphones.
Side-by-side specs
This is the raw comparison view. It is there for the rows that actually decide the purchase, not just the headline winner badge.
Battery and power
| Spec | Bose QuietComfort Ultra Headphones | Sennheiser HD 660S2 |
|---|---|---|
| Battery Life | 24 hours ✓ | Up to 20-30 h (ANC on) |
| Charging Port | USB-C | - |
Connectivity
| Spec | Bose QuietComfort Ultra Headphones | Sennheiser HD 660S2 |
|---|---|---|
| Bluetooth Version | Bluetooth 5.3 ✓ | Bluetooth 5.x |
| Connectivity | Wireless (Bluetooth) | Wireless (Bluetooth) |
Dimensions
| Spec | Bose QuietComfort Ultra Headphones | Sennheiser HD 660S2 |
|---|---|---|
| Weight | 253 g | - |
General
| Spec | Bose QuietComfort Ultra Headphones | Sennheiser HD 660S2 |
|---|---|---|
| Brand | Bose | Sennheiser |
| Category | Headphones | Headphones |
| Form Factor | Over-ear | Over-ear |
| Model Number | - | 660S2 |
The verdict
Based on 12 spec comparisons plus user ratings, the Bose QuietComfort Ultra Headphones comes out ahead with a stronger overall score.
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Comparison FAQ
These answers explain how the score is built, when the lower-scoring option still makes sense, and what to confirm before you buy.
What is the Bose QuietComfort Ultra Headphones vs Sennheiser HD 660S2 score measuring?
VSFinder compares 8 visible spec rows, then blends those wins with current price and Amazon rating signals so the page reflects both raw specs and real shopping context.
When does the lower-scoring option still make sense?
The lower-scoring model can still be the better buy if the few areas where it wins line up with how you shop. That matters most when those wins cover the exact features you care about more than the overall leader.
What should I confirm before I buy?
Confirm the live Amazon listing for price and availability, then double-check the few spec rows that matter most to your use case. We currently track $429.00 for Bose QuietComfort Ultra Headphones and $149.99 for Sennheiser HD 660S2.