In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Trust GXT 460 Varzz. 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 | Trust GXT 460 Varzz |
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| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 21 cm | |
| Width | - | 19.5 cm | |
| Depth | - | 9.5 cm | |
| Weight | 227 g | 374 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Trust GXT 460 Varzz. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 115 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Trust GXT 460 Varzz. |
| Impedance | 46 Ohm | 20 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | 150 - 6800 Hz | 2 - 2000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger microphone frequency range than Trust GXT 460 Varzz. |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Controls | - | Volume, microphone on/off |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Cable Type | Audio cable Micro-USB cable |
Headset cable - braided fabric - 2.2 m | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Additional Functions | - | LED backlight (blue) |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| 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 | Trust GXT 460 Varzz |
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| Transmission Range | 25 m | - |
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| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Connector Type | - | Headset (mini-phone stereo 3.5 mm 4-pole) USB (power only) (4 pin USB Type A (power only)) |
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| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Trust GXT 460 Varzz |
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| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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