Detailed comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and RIG 400 PRO HC. 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 | RIG 400 PRO HC |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | - | |
| Dimensions & Weight Details | - | 210 g | |
| Recommended Use | Portable electronics, computer | Game console, portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | 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 | - | |
| Noise Isolating | - | Yes | RIG 400 PRO HC are equipped with a noise isolating function. |
| 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 RIG 400 PRO HC. |
| Max Input Power | - | 40 mW | |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 111 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than RIG 400 PRO HC. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 150 - 6800 Hz | 100 - 10000 Hz | RIG 400 PRO HC offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC MS. |
| Sensitivity | - | -45 dBV/Pascal | |
| Signal-To-Noise Ratio | - | 42 dB |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headset cable - 1.5 cm | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| 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 | RIG 400 PRO HC |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| Connector Type | - | Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | RIG 400 PRO HC |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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