Detailed comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Cooler Master CH321. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headset - wired - USB | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 20 cm | |
| Depth | - | 10.5 cm | |
| Weight | 227 g | 348 g | EPOS I SENNHEISER IMPACT MB 660 UC MS are lighter than EPOS I SENNHEISER IMPACT MB 660 UC MS headphones. |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Recommended Use | Portable electronics, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| 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 | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Cooler Master CH321. |
| Max Input Power | - | 180 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 115 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Cooler Master CH321. |
| Impedance | 46 Ohm | 16 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 100 - 16000 Hz | Cooler Master CH321 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Audio Input Details | - | Omni-directional - 100 - 16000 Hz | |
| Sensitivity | - | -38 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Cable Type | Audio cable Micro-USB cable |
- | |
|---|---|---|---|
| Cable Length | - | 2.3 m |
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Additional Functions | - | RGB lighting |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| 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 | Cooler Master CH321 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Connector Type | - | Headset (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Cooler Master CH321 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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