In depth comparison and review of EPOS I SENNHEISER PC 373D 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 | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - NFC | |
|---|---|---|---|
| Weight | - | 227 g | |
| Colour | Black | - | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | Open | 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) | |
| 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 | |
| Sound Effects | 7.1 Channel Virtual Surround Sound | - | |
| Frequency Response | 15 - 28000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER PC 373D offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Total Harmonic Distortion (THD) | - | 0.5% | |
| Sensitivity | 116 dB | 118 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than EPOS I SENNHEISER PC 373D. |
| Impedance | 50 Ohm | 46 Ohm |
| MICROPHONE | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Type | Boom | - | |
|---|---|---|---|
| Frequency Response | 50 - 16000 Hz | 150 - 6800 Hz | EPOS I SENNHEISER PC 373D offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | -38 dB | - |
| CABLE | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Cable Type | Headset cable - 1.2 m Headset extension cable - 1.7 m |
Audio cable Micro-USB cable |
|
|---|---|---|---|
| Cable Length | 1.2 m | - |
| BATTERY AND CHARGING | EPOS I SENNHEISER PC 373D | 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 | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC MS |
|---|
| Connector Type | Headset (4 PIN USB Type A) | - |
|---|
| OTHERS | EPOS I SENNHEISER PC 373D | 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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