In depth comparison and review of Plantronics .Audio 400DSP 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 | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headset - wired | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | - | 227 g | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | 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 | - | 17 - 23000 Hz | |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | - | 118 dB | |
| Impedance | - | 46 Ohm | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Microphone Operation Mode | Mono | - | |
| Frequency Response | - | 150 - 6800 Hz |
| REMOTE CONTROL | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Cable Type | Headset cable | Audio cable Micro-USB cable |
|---|
| BATTERY AND CHARGING | Plantronics .Audio 400DSP | 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 | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Plantronics .Audio 400DSP | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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