In depth comparison and review of Sony MDR XB650BT 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 | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | XB Series | - | |
| Weight | 190 g | 227 g | Sony MDR XB650BT are lighter than Sony MDR XB650BT headphones. |
| Colour | Black | Blue | Red | - | |
| Recommended Use | Portable electronics | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 25 m |
| SOUND QUALITY | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| 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 4.0 | Bluetooth 4.2 | EPOS I SENNHEISER IMPACT MB 660 UC have a more advanced version of Bluetooth than Sony MDR XB650BT. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Low Complexity Subband Coding (SBC) | 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 | Extra Bass | - | |
| Frequency Response | 20 - 20000 Hz | 17 - 23000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Sony MDR XB650BT. |
| Total Harmonic Distortion (THD) | - | <0.5% | |
| Sensitivity | 95 dB/mW | 118 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Sony MDR XB650BT. |
| Impedance | 24 Ohm | 46 Ohm | |
| Diaphragm | 30 mm | - |
| MICROPHONE | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Technology | Electret condenser | - | |
| Frequency Response | - | 150 - 6800 Hz | |
| Audio Input Details | Omni-directional | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Controls | Volume control | - |
|---|
| CABLE | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Cable Type | Micro-USB charge cable - 50 cm | Audio cable Micro-USB cable |
|---|
| BATTERY AND CHARGING | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 700 mAh | |
| Battery Life | 30 hour(s) | 30 hours | Both headphones last the same amount of time on a single charge. |
| Standby Time | 300 hours | 360 hours | EPOS I SENNHEISER IMPACT MB 660 UC have longer standby time than Sony MDR XB650BT. |
| Charging Time | 4 hour(s) | 3 hours | EPOS I SENNHEISER IMPACT MB 660 UC recharge faster than Sony MDR XB650BT. |
| WIRELESS LINK | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Transmission Range | - | 25 m |
|---|
| CONNECTIONS | Sony MDR XB650BT | EPOS I SENNHEISER IMPACT MB 660 UC |
|---|
| Connector Type | Bluetooth | - |
|---|
| OTHERS | Sony MDR XB650BT | 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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