Comparison and Difference Between
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Brand and Model Specifications
Information about the brand, model release date.
| Manufacturer | Sennheiser | Sennheiser |
| Model | HD 660S | HD 4.30 |
| Photo |  |
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| Release Date | 2017 | 2016 |
| HifiSpecs Rating | ||
| Amazon Rating | ||
| Price |
General Specifications
Type, design and features.
| Headphone Type | Over-ear (circumaural) | Over-ear (circumaural) |
| Earcup Design | Open-back | Closed-back |
| Noise Options | None | Noise-isolating |
| Transducer Technology | Dynamic | Dynamic |
| Microphone | No | Yes |
| Connectivity | Wired | Wired |
| Cable Length | ~3 m ~9.84 ft ~387.5 in |
~1.4 m ~4.59 ft ~180.83 in |
| Detachable Cable | Yes | Yes |
| Battery Life | - | - |
| Battery Quick Charge | - | - |
| Water Protection | No | No |
| Inputs | 3.5 mm | |
| Controls | No | 3-button inline remote |
| Foldable | No | Yes |
Technical Specs
Tech specifications of the headphones.
| Frequency Response [Hz] | 9 – 41,500 | 18 - 22,000 |
| Impedance [Ohms] | 150 | 18 |
| Maximum Input Power [mW] | - | - |
| Maximum SPL | 104 | 120 |
| Distortion | < 0,04% | <0.5% |
| Driver Diameter | 44.1 mm | Unknown |
Dimensions and Weight
Physical characteristics of the speakers (without stands).
| Length | ~7.7 in ~195.58 mm ~19.56 cm |
~7.5 in ~190.5 mm ~19.05 cm |
| Width | ~7.1 in ~180.34 mm ~18.03 cm |
~4.5 in ~114.3 mm ~11.43 cm |
| Height | ~3.6 in ~91.44 mm ~9.14 cm |
~1.8 in ~45.72 mm ~4.57 cm |
| Weight | ~0.6 lb ~272.16 g ~0.27 kg |
~0.515 lb ~233.6 g ~0.23 kg |
Packaging Info
Package dimensions and weight.
| Shipping Length | ~12.6 in ~320.04 mm ~32 cm |
~9 in ~228.6 mm ~22.86 cm |
| Shipping Width | ~10.1 in ~256.54 mm ~25.65 cm |
~7.2 in ~114.3 mm ~11.43 cm |
| Shipping Height | ~4.2 in ~106.68 mm ~10.67 cm |
~4 in ~101.6 mm ~10.16 cm |
| Shipping Weight | ~3.4 lb ~1542.21 g ~1.54 kg |
~1 lb ~453.59 g ~0.45 kg |
Colors and Accessories
List of available colors and optional accessories.
| Colors |
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| Replacable Earpads | Yes | Yes |
| What's in the Box |
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Price and Warranty
Satisfaction is (not) guaranteed.
| Warranty | 2 Years | 2 Years |
| Amazon Price |
Review Comparison
Hifispecs' professional customer-reviews can help make up your mind.
| Available Reviews |
Disclaimers
Small print and stuff...
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