







🎶 Elevate your audio game—hear it, feel it, own the moment.
The Sennheiser HD 660S2 wired audiophile headphones deliver natural, high-fidelity sound with enhanced sub-bass impact thanks to a 300-ohm ultra-light aluminum voice coil and airflow-optimized 42mm transducers. Featuring a vented magnet system for minimal distortion, an open-back breathable design, and plush ear cushions, these headphones offer exceptional comfort for extended use. Designed in Germany and made in Ireland, they cover a wide frequency range (8 Hz - 41.5 kHz) and include detachable cables for flexible connectivity.






| Age range (description) | Adult | 
| Material | Aluminium | 
| Specific uses for product | Music | 
| Recommended uses for product | music | 
| Compatible devices | Smartphone | 
| Theme | Music | 
| Control type | Media Control | 
| Cable feature | Detachable | 
| Water resistance level | Not Water Resistant | 
| Frequency range | 8 Hz - 41.5 kHz | 
| Package type | Protective delivery packaging with a portable carry pouch | 
| Unit count | 1.0 Count | 
| Style | Headphones | 
| Product Dimensions | 7.62 x 17.78 x 17.78 cm; 621 g | 
| Item model number | 700240 | 
| Connector | 3.5mm Jack | 
| Speaker Amplification Type | Passive | 
| Material Type | Aluminium | 
| Size | M | 
| Power Source | Corded Electric | 
| Item Weight | 621 g | 
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