Comparison and Difference Between
Use dropdown menus to compare different models.
| Compare Speakers |
Brand and Model Specifications
Information about the brand, model release date.
| Manufacturer | Sennheiser | Sennheiser |
| Model | HD 100 | HD 660S |
| Photo |  |  |
| Release Date | 2019 | 2017 |
| What Hi-Fi? Rating | - | - |
| Amazon Rating | ||
| Price |
General Specifications
Type, design and features.
| Headphone Type | On-ear (supra-aural) | Over-ear (circumaural) |
| Earcup Design | Closed-back | Open-back |
| Noise Options | Noise-isolating | None |
| Transducer Technology | Dynamic | Dynamic |
| Microphone | No | No |
| Connectivity | Wired | Wired |
| Cable Length | ~1.4 m ~4.59 ft ~180.83 in | ~3 m ~9.84 ft ~387.5 in |
| Detachable Cable | No | Yes |
| Battery Life | - | - |
| Battery Quick Charge | - | - |
| Water Protection | No | No |
| Inputs | 3.5 mm | |
| Controls | - | No |
| Foldable | Yes | No |
Technical Specs
Tech specifications of the headphones.
| Frequency Response [Hz] | 18 - 18,000 | 9 – 41,500 |
| Impedance [Ohms] | 26 | 150 |
| Maximum Input Power [mW] | - | - |
| Maximum SPL | 110 | 104 |
| Distortion | <0.5% | < 0,04% |
| Driver Diameter | - | 44.1 mm |
Dimensions and Weight
Physical characteristics of the speakers (without stands).
| Length | ~6 in ~152.4 mm ~15.24 cm | ~7.7 in ~195.58 mm ~19.56 cm |
| Width | ~2 in ~50.8 mm ~5.08 cm | ~7.1 in ~180.34 mm ~18.03 cm |
| Height | ~2 in ~50.8 mm ~5.08 cm | ~3.6 in ~91.44 mm ~9.14 cm |
| Weight | ~0.249 lb ~112.94 g ~0.11 kg | ~0.6 lb ~272.16 g ~0.27 kg |
Packaging Info
Package dimensions and weight.
| Shipping Length | ~19.7 in ~500.38 mm ~50.04 cm | ~12.6 in ~320.04 mm ~32 cm |
| Shipping Width | ~18 in ~457.2 mm ~45.72 cm | ~10.1 in ~180.34 mm ~18.03 cm |
| Shipping Height | ~10.6 in ~269.24 mm ~26.92 cm | ~4.2 in ~106.68 mm ~10.67 cm |
| Shipping Weight | ~0.6125 lb ~277.83 g ~0.28 kg | ~3.4 lb ~1542.21 g ~1.54 kg |
Colors and Accessories
List of available colors and optional accessories.
| Colors |
|
|
| Replacable Earpads | Yes | Yes |
| What's in the Box |
|
|
Price and Warranty
Satisfaction is (not) guaranteed.
| Warranty | 2 Years | 2 Years |
| Amazon Price |
Disclaimers
Small print and stuff...
The data and facts on this website are provided on "as is, as available basis" without warranty of any kind. HiFiSpecs.com is not responsible for any errors and possible mistakes in the information it publishes. Double check all the information directly on the manufacturer sites.
HiFiSpecs.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com, amazonsupply.com, or myhabit.com.
We do not endorse any product or service for money.