







🎶 Elevate your sound game with the HD 660S2 — where precision meets comfort.
The Sennheiser HD 660S2 wired headphones feature a 300Ω impedance and ultra-light aluminum voice coil for high-fidelity sound reproduction. Their unique vent magnet system enhances airflow to minimize distortion, delivering balanced bass, mids, and highs. Designed ergonomically with soft velour ear pads and an open-back style, they offer extended comfort for professional and casual listening. Compatible with multiple audio connectors and equipped with a 1.8m detachable cable, these headphones are crafted in Germany and produced in Ireland, backed by a 2-year manufacturer warranty.





| Noise Control | Sound Isolation |
| Headphones Jack | 3.5 mm Jack |
| Model Name | HD 660S2 |
| Connectivity Technology | Wired |
| Wireless Communication Technology | Kopfhörer mit Kabel |
| Included Components | Cable |
| Age Range (Description) | Adult |
| Material | Aluminum |
| Specific Uses For Product | Music |
| Recommended Uses For Product | Music |
| Compatible Devices | Smartphone |
| Control Type | Media Control |
| Cable Feature | Detachable |
| Item Weight | 260 Grams |
| Water Resistance Level | Not Water Resistant |
| Customer Package Type | Protective shipping package with portable carrying pouch |
| Unit Count | 1 Count |
| Style | HD 660S2 |
| Control Method | Touch |
| Number of Items | 1 |
| Item model number | 700240 |
| Is Discontinued By Manufacturer | No |
| Color Name | Black |
| Connector | Wired |
| Hardware Interface | 3.5mm Audio |
| Speaker Amplification Type | Passive |
| Material Type | Aluminum |
| Size | 開放型 |
| Power Source | Corded Electric |
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