Sennheiser HD 660S2 Open-Back Headphones: At a Glance
Sennheiser positions the Sennheiser HD 660S2 Open-Back Headphones as a flagship-tier open back headphones, asking $427.68. After 691 customer reviews on Amazon, the verdict is a outstanding 4.5 stars. We've ranked it #26 out of 46 in this category. It's not a top pick - there are higher-rated and better-value options in the category - but specific shoppers may still find it fits their needs.
On the Head
Headsets live or die on long-session comfort. The high rating suggests the clamp force and ear cushion design work for most heads.
By the Spec Sheet
- Brand: Sennheiser
- Price: $427.68 (well above the $169.00 category average)
- Amazon rating: 4.5 of 5.0
- Reviews: 691
- Category rank: #26 of 46 in open back headphones
- Cheaper in category: 44 products
- Higher-rated in category: 12 products
- More-reviewed in category: 27 products
What 691 Buyers Say
691 reviews and a 4.5-star average is a strong signal. At this scale, manufactured reviews would have to be unrealistically pervasive to move the score this much, which means the satisfaction is real for the typical buyer.
The Field Around It
At $427.68, the Sennheiser HD 660S2 Open-Back Headphones sits well above the $169.00 category average. 44 options are cheaper and 1 are more expensive.
The category leader is the OneOdio Hi-Res Studio Monitor Headphones ($37.99, 4.4★, 73,430 reviews). It's $389.69 more expensive than the top pick despite ranking lower, which is a hard combination to justify unless a specific feature swings the decision.
Direct competitors at this price (±25%):
- Sennheiser HD 650 Audiophile Headphones - $334.00, 4.6★ (6,331 reviews) · Better on both axes
- HD 490 PRO Open-Back Professional Headphone - $429.00, 4.6★ (223 reviews) · Roughly comparable
- Sony MDR-MV1 Open-Back Monitor Headphones - $418.00, 4.5★ (131 reviews) · Cheaper If pure price is the filter, the cheapest is the Eigsupia Open Ear Bluetooth Headphones at $14.99.
Is It For You?
Only if you specifically want what makes it expensive. The rating is excellent but the price premium is meaningful. There are cheaper highly-rated options in this category - make sure the extra money is buying a feature you'll actually use.
Best fit for:
- Quality-first buyers who prioritize a track record of satisfaction over saving a few dollars
Wrap-Up
6.8/10
Functional, mid-pack option. Nothing wrong with it, but nothing pushing it above the better-ranked alternatives either.