Side by side comparison and review of KEF M500 and Poly SupraPlus SDS 1031-15. 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 SupraPlus SDS 1031-15 |
|---|
| Product Type | Headset - wired | Headset | |
|---|---|---|---|
| Weight | 208 g | - | |
| Colour | Classic | - | |
| Body Material | Aluminium alloy | - | |
| Recommended Use | Portable electronics, phone | - |
| SOUND QUALITY | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Headphones Form Factor | On-ear | - | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Type | On-cable | - |
|---|
| REMOTE CONTROL | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Push to Talk (PTT) |
|---|
| CABLE | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Cable Type | 2 x headset cable - 1.3 m | Quick Disconnect to LEMO FFP.2S.310 cable | |
|---|---|---|---|
| Plated Connector | Gold | - |
| CONNECTIONS | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | KEF M500 | Poly SupraPlus SDS 1031-15 |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | - | |
|---|---|---|---|
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 1 year | - |
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