In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Cooler Master MH670. 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 | Cooler Master MH670 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Height | - | 19.15 cm | |
| Width | - | 19.2 cm | |
| Depth | - | 8.5 cm | |
| Weight | 227 g | 346.5 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | - | PU leather | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| 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 | 17 - 23000 Hz | 15 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Cooler Master MH670. |
| Max Input Power | - | 150 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 110 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Cooler Master MH670. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Form Factor | Built-in | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 50 - 18000 Hz | Cooler Master MH670 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 50 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Controls | - | Power on/off, microphone on/mute, master volume |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
|
|---|---|---|---|
| Cable Length | - | 1.5 m |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | 1500 mAh | Cooler Master MH670 have a higher battery capacity than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Battery Life | 30 hours | 24 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Cooler Master MH670. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Connector Type | - | USB 2.0 (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Cooler Master MH670 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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