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🎶 Elevate your audio game with the HD 660S2 — where every note feels like a live session.
The Sennheiser HD 660S2 are premium open-back over-ear headphones featuring 42mm dynamic drivers with ultra-light aluminum voice coils, delivering a vast soundstage with precise highs and deep bass down to 27.5 Hz. Designed for audiophiles, gamers, and professionals, they offer exceptional comfort with breathable velour ear cushions and a detachable cable for versatile wired connectivity. Crafted in Ireland with German engineering standards, these headphones provide durable, high-fidelity sound ideal for studio, gaming, and immersive music experiences.





| ASIN | B0BT7XXYTB |
| Additional Features | Open-type headphones |
| Age Range Description | Adult |
| Amazon Bestseller | #26,125 in Electronics ( See Top 100 in Electronics ) #153 in Over-Ear Headphones |
| Antenna Location | Music |
| Audio Driver Size | 42 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Brand | Sennheiser |
| Built-In Media | Cable |
| Cable Features | Detachable |
| Color | Black |
| Compatible Devices | Smartphone |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Media Control |
| Country of Origin | Ireland |
| Customer Package Type | Protective shipping package with portable carrying pouch |
| Customer Reviews | 4.4 4.4 out of 5 stars (636) |
| Earpiece Shape | Oval |
| Enclosure Material | Aluminum |
| Global Trade Identification Number | 00810091270370, 04260752330374 |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 1/4" TRS, 4.4mm TRRRS |
| Headphones Ear Placement | Over Ear |
| Impedance | 300 Ohms |
| Is Autographed | No |
| Item Type Name | Headphones |
| Item Weight | 260 Grams |
| Manufacturer | ゼンハイザー(Sennheiser) |
| Model Name | HD 660S2 |
| Model Number | 700240 |
| Noise Control | Sound Isolation |
| Number of Items | 1 |
| Series Number | 660 |
| Specific Uses For Product | Music |
| Style Name | HD 660S2 |
| Theme | Music |
| UPC | 810091270370 |
| Unit Count | 1 Count |
| Warranty Description | 2 year manufacturer warranty (domestic purchases and sold by Amazon contractor amazon.co.jp. If other case please contact seller) |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Kopfhörer mit Kabel |
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