Side by side comparison and review of KEF M500 and EPOS I SENNHEISER IMPACT SC 660 TC. 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 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Product Type | Headset - wired | Headset - wired - Easy Disconnect | |
|---|---|---|---|
| Weight | 208 g | 113 g | EPOS I SENNHEISER IMPACT SC 660 TC are lighter than KEF M500 headphones. |
| Colour | Classic | Black with silver | |
| Body Material | Aluminium alloy | - | |
| Earpad Material | - | Leatherette | |
| Recommended Use | Portable electronics, phone | - |
| SOUND QUALITY | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| 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 | 50 - 18000 Hz | KEF M500 offer a larger frequency range than EPOS I SENNHEISER IMPACT SC 660 TC. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | 103 dB | Both headphones offer the same sensitivity. |
| Impedance | 32 Ohm | 200 Ohm | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Frequency Response | - | 150 - 6800 Hz |
| REMOTE CONTROL | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Cable Type | 2 x headset cable - 1.3 m | Headset cable - 1 m | |
|---|---|---|---|
| Plated Connector | Gold | - |
| CONNECTIONS | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | Headset (EasyDisconnect) |
|---|
| OTHERS | KEF M500 | EPOS I SENNHEISER IMPACT SC 660 TC |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Carrying pouch, leatherette ear pads, cable clip | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 3 years |
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