In depth comparison and review of ifrogz Impulse 2 and Poly EncorePro 520V. 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 | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | 19.5 cm | 6.7 cm | |
| Width | 21.48 cm | 11.1 cm | |
| Depth | 8 cm | 14.9 cm | |
| Weight | 295 g | 74 g | Poly EncorePro 520V are lighter than ifrogz Impulse 2 headphones. |
| Colour | Blue | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Foldable | Yes | - | ifrogz Impulse 2 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Active Noise Cancelling | - | Yes | Poly EncorePro 520V are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB +/- 3dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 5.6 mm | ifrogz Impulse 2 have a thicker diaphragm than Poly EncorePro 520V. |
| Signal-To-Noise Ratio | - | 50 dB | |
| Magnet Material | Neodymium | - |
| MICROPHONE | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 520V microphone can cancel out ambient noise. |
| Frequency Response | - | 20 - 16000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB |
| REMOTE CONTROL | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Controls | Volume, power on/off, play/pause, next/previous track | - |
|---|
| CABLE | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Cable Type | Headphones cable - detachable Micro-USB charge cable |
- | |
|---|---|---|---|
| Cable Length | - | 78.5 cm |
| FEATURES | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | ifrogz Impulse 2 | Poly EncorePro 520V |
|---|
| Included Accessories | Carrying pouch | - | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, UC certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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