Side by side comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Sony MDR XB550AP. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headphones - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | 180 g | Sony MDR XB550AP are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Colour | - | Black | Red | White | Green | Blue | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wireless | Wired | |
| 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 | - | |
| Sound Effects | - | Extra Bass | |
| Frequency Response | 17 - 23000 Hz | 5 - 22000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Sony MDR XB550AP. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 102 dB/mW | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Sony MDR XB550AP. |
| Impedance | 46 Ohm | 24 Ohm | |
| Diaphragm | - | PET - 30 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Frequency Response | 150 - 6800 Hz | - |
|---|
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Controls | - | Answer/end |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - Y-type - L shaped | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Plated Connector | - | Gold |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 30 hours | - | |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Sony MDR XB550AP |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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