Comparison and Difference Between
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Brand and Model Specifications
Information about the brand, model release date.
| Manufacturer | Sennheiser | Sennheiser |
| Model | HD 650 | IE 80S BT |
| Photo |  |  |
| Release Date | ??? | 2019 |
| What Hi-Fi? Rating | - | - |
| Amazon Rating | ||
| Price |
General Specifications
Type, design and features.
| Headphone Type | Over-ear (circumaural) | In-ear (earbuds) |
| Earcup Design | Open-back | n/a |
| Noise Options | None | Noise-isolating |
| Transducer Technology | Dynamic | Dynamic |
| Microphone | No | Yes |
| Connectivity | Wired | Bluetooth 5.0 (HSP, HFP, AVRCP, A2DP) |
| Cable Length | ~3 m ~9.84 ft ~387.5 in | ~0 m ~0 ft ~0 in |
| Detachable Cable | Yes | - |
| Battery Life | - | 6 Hours (340h Standby) |
| Battery Quick Charge | - | 1.5 hours |
| Water Protection | No | No |
| Inputs | 3.5mm, 6.3 mm | Wireless |
| Controls | No | Yes (Microphone, Phone control) |
| Foldable | No | Yes |
Technical Specs
Tech specifications of the headphones.
| Frequency Response [Hz] | 10 - 39,500 | 10 - 20,000 |
| Impedance [Ohms] | 300 | - |
| Maximum Input Power [mW] | - | - |
| Maximum SPL | 103 | 110 |
| Distortion | <0.05% | <0.5% |
| Driver Diameter | 44 | - |
Dimensions and Weight
Physical characteristics of the speakers (without stands).
| Length | ~7.7 in ~195.58 mm ~19.56 cm | ~1 in ~25.4 mm ~2.54 cm |
| Width | ~7.1 in ~180.34 mm ~18.03 cm | ~1 in ~25.4 mm ~2.54 cm |
| Height | ~3.94 in ~100.08 mm ~10.01 cm | ~1 in ~25.4 mm ~2.54 cm |
| Weight | ~0.575 lb ~260.82 g ~0.26 kg | ~0.066 lb ~29.94 g ~0.03 kg |
Packaging Info
Package dimensions and weight.
| Shipping Length | ~12.4 in ~314.96 mm ~31.5 cm | ~7.9 in ~200.66 mm ~20.07 cm |
| Shipping Width | ~10 in ~254 mm ~25.4 cm | ~2.4 in ~25.4 mm ~2.54 cm |
| Shipping Height | ~4.4 in ~111.76 mm ~11.18 cm | ~2.4 in ~60.96 mm ~6.1 cm |
| Shipping Weight | ~1.35 lb ~612.35 g ~0.61 kg | ~0.8625 lb ~391.22 g ~0.39 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 |
Disclaimers
Small print and stuff...
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