Quick Jump
Brand, Model and Release Date
Information about the brand, model release date.
| Manufacturer | Sennheiser |
| Model | HD 660S |
| Release Date | 2017 |
| WHAT HIFI Rating | - |
| Amazon Rating | |
| Price |
General Specifications
Type, design and features.
| Headphone Type | Over-ear (circumaural) |
| Earcup Design | Open-back |
| Noise Options | None |
| Transducer Technology | Dynamic |
| Microphone | No |
| Connectivity | Wired |
| Cable Length | ~3 m ~9.84 ft ~387.5 in |
| Detachable Cable | Yes |
| Battery Life | - |
| Battery Quick Charge | - |
| Water Protection | No |
| Driver Diameter | 44.1 mm |
| Inputs | |
| Controls | No |
| Foldable | No |
Technical Specs
Tech specifications of the headphones.
| Frequency Response [Hz] | 9 – 41,500 |
| Impedance [Ohms] | 150 |
| Maximum Input Power [mW] | - |
| Maximum SPL | 104 |
| Distortion | < 0,04% |
| Driver Diameter | 44.1 mm |
Product Dimensions and Weight
Headphone dimensions and weight.
| Length | ~7.7 in ~195.58 mm ~19.56 cm |
| Width | ~7.1 in ~180.34 mm ~18.03 cm |
| Height | ~3.6 in ~91.44 mm ~9.14 cm |
| Weight | ~0.6 lb ~272.16 g ~0.27 kg |
Packaging Info
Package dimensions and weight.
| Shipping Length | ~12.6 in ~320.04 mm ~32 cm |
| Shipping Width | ~10.1 in ~256.54 mm ~25.65 cm |
| Shipping Height | ~4.2 in ~106.68 mm ~10.67 cm |
| Shipping Weight | ~3.4 lb ~1542.21 g ~1.54 kg |
Colors and Accessories
List of available colors and optional accessories.
| Colors |
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| Replacable Earpads | Yes |
| What's in the Box |
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Price and Warranty
Satisfaction is (not) guaranteed.
| Warranty | 2 Years |
| Manufacturer URL | https://en-us.sennheiser.com/ |
| Amazon |