Detailed comparison and review of KEF M500 and Poly Blackwire C725-UC. 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 C725-UC |
|---|
| Product Type | Headset - wired | Headset - wired - USB | |
|---|---|---|---|
| Series | - | 700 Series | |
| Weight | 208 g | - | |
| Colour | Classic | - | |
| Body Material | Aluminium alloy | - | |
| Recommended Use | Portable electronics, phone | Computer |
| SOUND QUALITY | KEF M500 | Poly Blackwire C725-UC |
|---|
| 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 Blackwire C725-UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | KEF M500 | Poly Blackwire C725-UC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 100 - 8000 Hz |
| REMOTE CONTROL | KEF M500 | Poly Blackwire C725-UC |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Mute, volume, answer/end |
|---|
| CABLE | KEF M500 | Poly Blackwire C725-UC |
|---|
| Cable Type | 2 x headset cable - 1.3 m | USB cable - 2.04 m | |
|---|---|---|---|
| Cable Length | - | 2.04 m | |
| Plated Connector | Gold | - |
| CONNECTIONS | KEF M500 | Poly Blackwire C725-UC |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | USB (4 PIN USB Type A) |
|---|
| OTHERS | KEF M500 | Poly Blackwire C725-UC |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Carrying case | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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