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🎶 Elevate your soundscape—hear what others miss, feel what others don’t.
The Sennheiser HD 660S2 wired headphones combine advanced 42mm airflow-optimized transducers, a lightweight 300-ohm aluminum voice coil, and a vented magnet system to deliver natural, high-fidelity sound with deep, impactful bass. Designed for audiophiles and professionals, these open-back headphones offer exceptional clarity, minimal distortion, and comfortable long-term wear, making every listening session immersive and precise.
| ASIN | B0BT7XXYTB |
| Additional Features | stereo pairing |
| Age Range Description | Adult |
| Antenna Location | music |
| Audio Driver Size | 42 Millimeters |
| Audio Driver Type | Dynamic Driver |
| Best Sellers Rank | #44,327 in Electronics ( See Top 100 in Electronics ) #716 in Over-Ear Headphones |
| Bluetooth Version | 5 |
| Bluetooth support? | No |
| Brand | Sennheiser Consumer Audio |
| Built-In Media | HD 660S2 headphones, 6.3 mm cable (1.8 m), 4.4 mm cable (1.8 m), 6.3 mm to 3.5 mm adapter, Carry pouch |
| Cable Features | Detachable |
| Carrying Case Color | Black |
| Carrying Case Material | fabric |
| Color | black |
| Compatible Devices | Devices with 6.35 mm audio input or adapter compatibility |
| Connectivity Technology | Wired |
| Control Method | Touch |
| Control Type | Touch Control |
| Country of Origin | Ireland |
| Customer Package Type | Protective delivery packaging with a portable carry pouch |
| Customer Reviews | 4.5 4.5 out of 5 stars (665) |
| Earpiece Shape | over_ear |
| Enclosure Material | Aluminum |
| External Testing Certification | nao aplicavel |
| Frequency Range | 8Hz - 41,500Hz |
| Frequency Response | 41500 Hz |
| Generation | 2 |
| Global Trade Identification Number | 00810091270370, 04260752330374 |
| Hardware Interface | 3.5mm Audio |
| Headphone Folding Features | Over Ear |
| Headphone Jack | 1/4 inch TRS, 4.4 mm TRRRS |
| Headphones Ear Placement | Over Ear |
| Impedance | 300 Ohms |
| Input-Device Interface | Audio jack |
| Is Autographed | No |
| Item Type Name | Over Ear Wired Headphone |
| Item Weight | 0.3 Kilograms |
| Manufacturer | Sonova |
| Mfr Part Number | 700240 |
| Model Name | HD 660S2 |
| Model Number | 700240 |
| Noise Control | Sound Isolation |
| Noise Control Features | passive_noise_isolation |
| Number of Items | 1 |
| Number of Packs | 1 |
| Sensitivity | 300 Ohm |
| Series Number | 700240 |
| Specific Uses For Product | Music |
| Style Name | Headphones |
| Subject Character | no subject character |
| Theme | Music |
| Unit Count | 1.0 Count |
| Warranty Description | 1 |
| Water Resistance Level | Not Water Resistant |
| Wireless Technology | Bluetooth |
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