In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC MS and Turtle Beach Ear Force Stealth 520. 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 MS | Turtle Beach Ear Force Stealth 520 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC | Headset - wireless - USB | |
|---|---|---|---|
| Weight | 227 g | - | |
| Earpad Material | - | Synthetic leather, foam | |
| Headband Material | - | Foam, leather | |
| 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 | Turtle Beach Ear Force Stealth 520 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | EPOS I SENNHEISER IMPACT MB 660 UC MS can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| 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 | Turtle Beach Ear Force Stealth 520 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound, DTS Surround Sound, Dynamic Chat Boost, DTS Headphone:X, Superhuman Hearing | |
| Frequency Response | 17 - 23000 Hz | 20 - 20000 Hz | EPOS I SENNHEISER IMPACT MB 660 UC MS offer a larger frequency range than Turtle Beach Ear Force Stealth 520. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 118 dB | - | |
| Impedance | 46 Ohm | - | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Form Factor | - | Detachable headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Frequency Response | 150 - 6800 Hz | - | |
| Audio Input Details | - | Omni-directional |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Controls | - | Dual volume |
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| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Cable Type | Audio cable Micro-USB cable |
Micro-USB charge cable - detachable Audio cable - detachable Audio (optical) cable - detachable |
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| FEATURES | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Features | - | 100% wireless |
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| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 30 hours | 15 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC MS lasts longer on a single charge than the Turtle Beach Ear Force Stealth 520. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | - |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
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| Transmission Range | 25 m | - |
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| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
|---|
| Connector Type | - | USB (5 pin Micro-USB Type B) Headset (mini-phone 3.5mm) |
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| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC MS | Turtle Beach Ear Force Stealth 520 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | USB wireless transmitter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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