In depth comparison and review of Sennheiser HD 2.30i and EPOS I SENNHEISER IMPACT MB 660 UC. 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 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | HD 2 | - | |
| Weight | 262 g | 227 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than Sennheiser HD 2.30i headphones. |
| Colour | Black | White | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | Yes | Both headphones 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) | |
| Bluetooth Audio Codec | - | SBC, aptX | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER IMPACT MB 660 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | NoiseGard active noise compensation | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 22000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Sennheiser HD 2.30i. |
| Total Harmonic Distortion (THD) | 0.5% | <0.5% | Both headphones have the same total harmonic distortion. |
| Sensitivity | 115 dB/Vrms | 118 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Sennheiser HD 2.30i. |
| Impedance | 22 Ohm | 46 Ohm | |
| Max Sound Pressure | 115 dB | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - | |
| Microphone Operation Mode | Mono, omni-directional | - | |
| Frequency Response | - | 150 - 6800 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Cable Type | Headphones cable - 1.4 m | Audio cable Micro-USB cable |
|
|---|---|---|---|
| Cable Length | 1.4 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | - | 30 hours | |
| Standby Time | - | 360 hours | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 2.30i | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Compatibility | iPhone | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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