Side by side comparison and review of KEF M500 and Poly EncorePro 520V. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | KEF M500 | Poly EncorePro 520V |
|---|
| Product Type | Headset - wired | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | - | EncorePro 500 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 208 g | 74 g | Poly EncorePro 520V are lighter than KEF M500 headphones. |
| Colour | Classic | Black | |
| Body Material | Aluminium alloy | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, phone | - |
| SOUND QUALITY | KEF M500 | Poly EncorePro 520V |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wired | |
| 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 | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 5.6 mm | KEF M500 have a thicker diaphragm than Poly EncorePro 520V. |
| Signal-To-Noise Ratio | - | 50 dB | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | Poly EncorePro 520V |
|---|
| Type | On-cable | 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 | KEF M500 | Poly EncorePro 520V |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | KEF M500 | Poly EncorePro 520V |
|---|
| Cable Type | 2 x headset cable - 1.3 m | - | |
|---|---|---|---|
| Cable Length | - | 78.5 cm | |
| Plated Connector | Gold | - |
| FEATURES | KEF M500 | Poly EncorePro 520V |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | KEF M500 | Poly EncorePro 520V |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | KEF M500 | Poly EncorePro 520V |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| 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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