Side by side comparison and review of KEF M500 and Poly - Plantronics Backbeat Pro 2 SE. 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 - Plantronics Backbeat Pro 2 SE |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 208 g | 289 g | KEF M500 are lighter than KEF M500 headphones. |
| Colour | Classic | - | |
| Body Material | Aluminium alloy | - | |
| Recommended Use | Portable electronics, phone | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 100 m |
| SOUND QUALITY | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Active Noise Cancelling | - | Yes | Poly - Plantronics Backbeat Pro 2 SE are equipped with active noice cancellation. |
| 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 | 93 dB | KEF M500 have higher sensitivity than Poly - Plantronics Backbeat Pro 2 SE. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Cable Type | 2 x headset cable - 1.3 m | USB charge cable Headphones cable |
|
|---|---|---|---|
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Battery Type | - | Headphone battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 680 mAh | |
| Battery Life | - | 24 hour(s) | |
| Standby Time | - | 4380 hours | |
| Charging Time | - | 3 hours |
| CONNECTIONS | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | KEF M500 | Poly - Plantronics Backbeat Pro 2 SE |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Travel pouch | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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