Side by side comparison and review of Sennheiser HD 2.30i (HD 2.0) and EPOS I SENNHEISER IMPACT MB 660 UC MS. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | HD 2.0 | - | |
| Weight | - | 227 g | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 2.30i (HD 2.0) | 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 | Closed | 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 | 18 - 22000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Sennheiser HD 2.30i (HD 2.0). |
| Total Harmonic Distortion (THD) | 0.5% | 0.5% | Both headphones have the same total harmonic distortion. |
| Sensitivity | 120 dB | 118 dB | Sennheiser HD 2.30i (HD 2.0) have higher sensitivity than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Impedance | 22 Ohm | 46 Ohm |
| MICROPHONE | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Frequency Response | - | 150 - 6800 Hz |
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| CABLE | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Cable Type | Headphones cable - 1.4 m | Audio cable Micro-USB cable |
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|---|---|---|---|
| Cable Length | 1.4 m | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i (HD 2.0) | 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 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Transmission Range | - | 25 m |
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| CONNECTIONS | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
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| OTHERS | Sennheiser HD 2.30i (HD 2.0) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
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| Included Accessories | Carrying pouch | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Compatibility | iPhone, iPad, iPod | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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