Side by side comparison and review of KEF M500 and Poly EncorePro 320. 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 320 |
|---|
| Product Type | Headset - wired | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | EncorePro 300 series | |
| Height | - | 6.7 cm | |
| Width | - | 11.1 cm | |
| Depth | - | 14.9 cm | |
| Weight | 208 g | 74 g | Poly EncorePro 320 are lighter than KEF M500 headphones. |
| Colour | Classic | Black | |
| Body Material | Aluminium alloy | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, phone | Computer |
| SOUND QUALITY | KEF M500 | Poly EncorePro 320 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 10000 Hz | KEF M500 offer a larger frequency range than Poly EncorePro 320. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 5.6 mm | KEF M500 have a thicker diaphragm than Poly EncorePro 320. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | KEF M500 | Poly EncorePro 320 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 320 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | - | 35 - 21000 Hz | |
| Sensitivity | - | 40 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Signal-To-Noise Ratio | - | 53 dB |
| REMOTE CONTROL | KEF M500 | Poly EncorePro 320 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | KEF M500 | Poly EncorePro 320 |
|---|
| Cable Type | 2 x headset cable - 1.3 m | Headset cable - 2.19 m | |
|---|---|---|---|
| Cable Length | - | 2.19 m | |
| Plated Connector | Gold | - |
| FEATURES | KEF M500 | Poly EncorePro 320 |
|---|
| Features | - | Boom mic length 135mm, 290° rotatable microphone |
|---|
| CONNECTIONS | KEF M500 | Poly EncorePro 320 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | USB (USB Type-A) |
|---|
| OTHERS | KEF M500 | Poly EncorePro 320 |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Windows | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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