Detailed comparison and review of KEF M500 and Poly Blackwire C5220. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | KEF M500 | Poly Blackwire C5220 |
|---|
| Product Type | Headset - wired | Headset - wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | - | Blackwire 5200 series | |
| Weight | 208 g | 164.2 g | Poly Blackwire C5220 are lighter than KEF M500 headphones. |
| Colour | Classic | Black | |
| Body Material | Aluminium alloy | - | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, phone | Portable electronics, computer |
| SOUND QUALITY | KEF M500 | Poly Blackwire C5220 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | Yes | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Poly Blackwire C5220 are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | 90 dB | KEF M500 have higher sensitivity than Poly Blackwire C5220. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 28 mm | KEF M500 have a thicker diaphragm than Poly Blackwire C5220. |
| Magnet Material | Neodymium | - | |
| Features | - | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | KEF M500 | Poly Blackwire C5220 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Noise Cancelling | - | Yes | Poly Blackwire C5220 microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dB |
| REMOTE CONTROL | KEF M500 | Poly Blackwire C5220 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | KEF M500 | Poly Blackwire C5220 |
|---|
| Cable Type | 2 x headset cable - 1.3 m | USB-A cable - 21.7 cm | |
|---|---|---|---|
| Plated Connector | Gold | - |
| FEATURES | KEF M500 | Poly Blackwire C5220 |
|---|
| Features | - | 280° rotatable microphone |
|---|
| CONNECTIONS | KEF M500 | Poly Blackwire C5220 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | USB (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | KEF M500 | Poly Blackwire C5220 |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Carrying case | |
|---|---|---|---|
| Software Included | - | Poly Lens | |
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Skype for Business, Certified for Microsoft Teams, Certified for Zoom Rooms, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | macOS, Windows | |
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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