In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Sennheiser GSP 350. 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 | Sennheiser GSP 350 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - 7.1 channel - wired - USB | |
|---|---|---|---|
| Series | - | Gaming | |
| Weight | 227 g | 262 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Earpad Material | - | Memory foam | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | Closed | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC 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) | - | |
| 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 | - | |
| Noise Isolating | - | Yes | Sennheiser GSP 350 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Surround Sound | |
| Frequency Response | 17 - 23000 Hz | 15 - 26000 Hz | Sennheiser GSP 350 offer a larger frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | 19 Ohm | |
| Max Sound Pressure | - | 113 dB |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | 150 - 6800 Hz | 10 - 15000 Hz | Sennheiser GSP 350 offer a larger microphone frequency range than EPOS I SENNHEISER IMPACT MB 660 UC. |
| Sensitivity | - | -41 dBV/Pascal | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Controls | - | Volume, microphone on/mute |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headset cable - 1.7 m USB extension cable - detachable - 1.2 m |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | - | |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Connector Type | - | USB 2.0 (4 PIN USB Type A) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Sennheiser GSP 350 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | USB extension cable, 7.1 surround USB adapter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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