In depth comparison and review of KEF M500 and Sennheiser HMDC 27. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | KEF M500 | Sennheiser HMDC 27 |
|---|
| Product Type | Headset - wired | Headset - wired | |
|---|---|---|---|
| Weight | 208 g | 240 g | KEF M500 are lighter than KEF M500 headphones. |
| Colour | Classic | - | |
| Body Material | Aluminium alloy | - | |
| Recommended Use | Portable electronics, phone | Professional audio |
| SOUND QUALITY | KEF M500 | Sennheiser HMDC 27 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wired | |
| Active Noise Cancelling | - | Yes | Sennheiser HMDC 27 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 8 - 18000 Hz | KEF M500 offer a larger frequency range than Sennheiser HMDC 27. |
| Max Input Power | 30 mW | - | |
| Total Harmonic Distortion (THD) | - | <0.1% | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 128 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | Sennheiser HMDC 27 |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Technology | - | Dynamic | |
| Microphone Operation Mode | - | Hypercardioid | |
| Frequency Response | - | 40 - 18000 Hz |
| REMOTE CONTROL | KEF M500 | Sennheiser HMDC 27 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | KEF M500 | Sennheiser HMDC 27 |
|---|
| Cable Type | 2 x headset cable - 1.3 m | - | |
|---|---|---|---|
| Plated Connector | Gold | - |
| FEATURES | KEF M500 | Sennheiser HMDC 27 |
|---|
| Features | - | EPOS ActiveGard |
|---|
| CONNECTIONS | KEF M500 | Sennheiser HMDC 27 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | KEF M500 | Sennheiser HMDC 27 |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Wind screen, cable clip, headband padding | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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