In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Bowers & Wilkins PX5. 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 IMPACT MB 660 UC | Bowers & Wilkins PX5 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 16 cm | |
| Depth | - | 7.01 cm | |
| Weight | 227 g | 254 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Blue | Space grey | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 | Bowers & Wilkins PX5 have a more advanced version of Bluetooth than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | Hands-Free Profile (HFP), Headset Profile (HSP), Generic Access Profile (GAP), Service Discovery Application Profile (SDAP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Device ID Profile (DIP) | |
| Bluetooth Audio Codec | SBC, aptX | aptX | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | Adaptive Noise Cancelling | |
| Noise Isolating | - | Yes | Bowers & Wilkins PX5 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 10 - 30000 Hz | Bowers & Wilkins PX5 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 111 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Bowers & Wilkins PX5. |
| Impedance | 46 Ohm | 22 Ohm | |
| Diaphragm | - | 35.6 mm |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
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| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | 6 | Bowers & Wilkins PX5 have a built-in microphone. |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
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| Controls | - | Volume control, on/off, answer/end, play/pause, next/previous track |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Audio cable - detachable USB-C charge cable - detachable |
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| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
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| Sensors | - | Proximity sensor |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 24 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Bowers & Wilkins PX5. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
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| Transmission Range | 25 m | - |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Bowers & Wilkins PX5 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Headphones pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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