Side by side comparison and review of Sennheiser HD 579 (HD 500) 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 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headphones - wired | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Series | HD 500 | - | |
| Weight | - | 227 g | |
| Colour | Silver | - | |
| Recommended Use | Home audio | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| 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 | 15 - 28000 Hz | 17 - 23000 Hz | Sennheiser HD 579 (HD 500) offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Total Harmonic Distortion (THD) | 0.2% | 0.5% | Sennheiser HD 579 (HD 500) have lower total harmonic distortion than Sennheiser HD 579 (HD 500). |
| Sensitivity | - | 118 dB | |
| Impedance | 50 Ohm | 46 Ohm | |
| Max Sound Pressure | 106 dB | - | |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Frequency Response | - | 150 - 6800 Hz |
|---|
| CABLE | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Cable Type | Headphones cable - 3 m | Audio cable Micro-USB cable |
|
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 30 hours | |
| Standby Time | - | 360 hours | |
| Charging Time | - | 3 hours |
| WIRELESS LINK | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Connector Type | Headphones (phone stereo 6.3 mm) | - |
|---|
| OTHERS | Sennheiser HD 579 (HD 500) | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Included Accessories | 6.3 mm to 3.5 mm adapter | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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