In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and Razer Nari Ultimate. 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 | Razer Nari Ultimate |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Weight | 227 g | - | |
| Earpad Material | - | Leatherette, memory foam | |
| Headband Material | - | Metal | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | 12 m | EPOS I SENNHEISER IMPACT MB 660 UC have a greater operating distance than Razer Nari Ultimate. |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | Dynamic | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| 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 | |
| Sound Effects | - | THX Spatial Audio | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger frequency range than Razer Nari Ultimate. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 105 dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than Razer Nari Ultimate. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Frequency Response | 150 - 6800 Hz | 100 - 6500 Hz | EPOS I SENNHEISER IMPACT MB 660 UC offer a larger microphone frequency range than Razer Nari Ultimate. |
| Sensitivity | - | -42 dB | |
| Signal-To-Noise Ratio | - | 50 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
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| Controls | - | Mute, volume |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Cable Type | Audio cable Micro-USB cable |
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|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 24 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the Razer Nari Ultimate. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Connector Type | - | Headset (mini-phone 3.5 mm 4-pole) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | Razer Nari Ultimate |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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