In depth comparison and review of KEF M500 and beyerdynamic Amiron Wireless Copper. 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 | beyerdynamic Amiron Wireless Copper |
|---|
| Product Type | Headset - wired | Headphones - Bluetooth - wireless - 3.5 mm jack | |
|---|---|---|---|
| Weight | 208 g | 400 g | KEF M500 are lighter than KEF M500 headphones. |
| Colour | Classic | Copper | |
| Body Material | Aluminium alloy | - | |
| Recommended Use | Portable electronics, phone | - | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| 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 | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), General Audio/Video Distribution Profile (GAVDP) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX, aptX HD, apt-X LL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 5 - 40000 Hz | beyerdynamic Amiron Wireless Copper offer a larger frequency range than KEF M500. |
| Max Input Power | 30 mW | 200 mW | |
| Total Harmonic Distortion (THD) | - | <0.05% | |
| Sensitivity | 103 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | - | 100 dB | |
| Diaphragm | 40 mm | - | |
| Magnet Material | Neodymium | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | On-cable | - |
| REMOTE CONTROL | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant |
|---|
| CABLE | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Cable Type | 2 x headset cable - 1.3 m | Headphones cable - detachable - with remote control and mic - 1.2 m | |
|---|---|---|---|
| Cable Length | - | 1.2 m | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 1050 mAh | |
| Battery Life | - | 30 hour(s) | |
| Charging Time | - | 2 hour(s) |
| CONNECTIONS | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | KEF M500 | beyerdynamic Amiron Wireless Copper |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Hard case, USB-C to USB-A charging cable | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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