Detailed comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Alpha Bravo GX1. 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 | Alpha Bravo GX1 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Weight | 227 g | - | |
| Recommended Use | Portable electronics, computer | Game console, portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| 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 Alpha Bravo GX1. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | 116 dB | EPOS I SENNHEISER IMPACT MB 660 UC MS have higher sensitivity than Alpha Bravo GX1. |
| Impedance | 46 Ohm | 16 Ohm | |
| Diaphragm | - | 50 mm | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Alpha Bravo GX1 microphone can cancel out ambient noise. |
| Frequency Response | 150 - 6800 Hz | - | |
| Sensitivity | - | -36 dB |
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| Cable Type | Audio cable Micro-USB cable |
USB cable |
|---|
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| 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 | Alpha Bravo GX1 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| Connector Type | - | USB (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Alpha Bravo GX1 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | 3.5 mm to USB adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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