In depth comparison and review of EPOS I SENNHEISER IMPACT MB 660 UC and ifrogz Impulse 2. 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 | ifrogz Impulse 2 |
|---|
| Product Type | Headset - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 19.5 cm | |
| Width | - | 21.48 cm | |
| Depth | - | 8 cm | |
| Weight | 227 g | 295 g | EPOS I SENNHEISER IMPACT MB 660 UC are lighter than EPOS I SENNHEISER IMPACT MB 660 UC headphones. |
| Colour | - | Blue | |
| Recommended Use | Portable electronics, computer | Portable electronics | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Foldable | Yes | Yes | Both headphones can be folded. |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 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 ifrogz Impulse 2. |
| Total Harmonic Distortion (THD) | <0.5% | - | |
| Sensitivity | 118 dB | 94 dB +/- 3dB | EPOS I SENNHEISER IMPACT MB 660 UC have higher sensitivity than ifrogz Impulse 2. |
| Impedance | 46 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Frequency Response | 150 - 6800 Hz | - | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Controls | - | Volume, power on/off, play/pause, next/previous track |
|---|
| CABLE | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Cable Type | Audio cable Micro-USB cable |
Headphones cable - detachable Micro-USB charge cable |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 700 mAh | - | |
| Battery Life | 30 hours | 20 hour(s) | EPOS I SENNHEISER IMPACT MB 660 UC lasts longer on a single charge than the ifrogz Impulse 2. |
| Standby Time | 360 hours | - | |
| Charging Time | 3 hours | 2 hour(s) | ifrogz Impulse 2 recharge faster than EPOS I SENNHEISER IMPACT MB 660 UC. |
| WIRELESS LINK | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Transmission Range | 25 m | - |
|---|
| CONNECTIONS | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER IMPACT MB 660 UC | ifrogz Impulse 2 |
|---|
| Included Accessories | Carrying case, Bluetooth adapter, airplane adapter | Carrying pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 1 year |
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