In depth comparison and review of Sennheiser HD 599 and EPOS I SENNHEISER IMPACT MB 660 UC MS. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | HD 500 | - | |
| Weight | - | 227 g | |
| Colour | Brown, ivory, matte metallic | - | |
| Recommended Use | Home audio | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Open | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC MS are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Noise Control | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 12 - 38500 Hz | 17 - 23000 Hz | Sennheiser HD 599 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Total Harmonic Distortion (THD) | 0.1% | 0.5% | Sennheiser HD 599 have lower total harmonic distortion than Sennheiser HD 599. |
| Sensitivity | - | 118 dB | |
| Impedance | 50 Ohm | 46 Ohm | |
| Max Sound Pressure | 106 dB | - | |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Frequency Response | - | 150 - 6800 Hz |
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| CABLE | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Cable Type | Headphones cable - 3 m Headphones cable - 1.2 m |
Audio cable Micro-USB cable |
|
|---|---|---|---|
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hours | |
| Standby Time | - | 360 hours | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Transmission Range | - | 25 m |
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| CONNECTIONS | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) Headphones (mini-phone stereo 3.5 mm) |
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| OTHERS | Sennheiser HD 599 | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Included Accessories | 3.5 mm to 6.3 mm adapter | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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