In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Sony WH-XB900N. 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 | Sony WH-XB900N |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 254 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Black | Blue | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | 10 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Sony WH-XB900N. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.2 | Both headphones have the same Bluetooth version. |
| 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), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Serial Copy Management System (SCMS-T) | |
| Bluetooth Audio Codec | SBC, aptX | SBC, AAC, aptX, aptX HD, LDAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | NoiseGard active noise compensation | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Digital Sound Enhancement Engine (DSEE) | |
| Frequency Response | 17 - 23000 Hz | 20 - 40000 Hz | Sony WH-XB900N offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 101 dB/mW | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Sony WH-XB900N. |
| Impedance | 46 Ohm | 50 Ohm | |
| Diaphragm | - | PET - 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Electret condenser | |
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 150 - 6800 Hz | 50 - 8000 Hz | Sony WH-XB900N offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
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| Controls | - | Volume |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable - 1.2 m USB-C charge cable - detachable - 20 cm |
|
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Plated Connector | - | Gold |
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Sensors | - | Touch sensor |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 35 hour(s) | Sony WH-XB900N lasts longer on a single charge than the EPOS I SENNHEISER IMPACT MB 660 UC. |
| Battery Life Details | - | Continuous playback (noise cancelling ON): up to 30 hours Continuous playback (noise cancelling OFF): up to 35 hours Continuous talk (noise cancelling OFF): up to 32 hours Standby (noise cancelling OFF): up to 300 hours Standby (noise cancelling ON): up to 50 hours |
|
| Standby Time | 360 hours | 300 hours | EPOS I SENNHEISER IMPACT MB 660 UC have longer standby time than Sony WH-XB900N. |
| Charging Time | 3 hours | 7 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
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| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Connector Type | - | USB (USB Type-C) Bluetooth Headphones (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Sony WH-XB900N |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - parts and labour - 1 year |
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