In depth comparison and review of EPOS I SENNHEISER PC 373D 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 | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| 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 |
|---|
| 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) | |
| 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 | |
| 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. |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 116 dB | 118 dB | EPOS I SENNHEISER IMPACT MB 660 UC 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 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| 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. |
| Sensitivity | -38 dB | - | |
| Microphones Included | - | 3 |
| CABLE | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| 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 |
|---|
| 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 | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Connector Type | Headset (4 PIN USB Type A) | - |
|---|
| OTHERS | EPOS I SENNHEISER PC 373D | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Included Accessories | - | Carrying case, Bluetooth adapter, airplane adapter | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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