Detailed comparison and review of KEF M500 and ASTRO A20. 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 | ASTRO A20 |
|---|
| Product Type | Headset - wired | Headset - wireless | |
|---|---|---|---|
| Weight | 208 g | 320 g | KEF M500 are lighter than KEF M500 headphones. |
| Colour | Classic | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | |
| Body Material | Aluminium alloy | - | |
| Headband Material | - | Steel | |
| Recommended Use | Portable electronics, phone | Game console, computer | |
| Bluetooth Range (Operating Distance) | - | 9.14 m |
| SOUND QUALITY | KEF M500 | ASTRO A20 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Foldable | Yes | - | KEF M500 can be folded. |
| Connectivity Technology | Wired | Wireless | |
| 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 | - | |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | 103 dB | 100 dB | KEF M500 have higher sensitivity than ASTRO A20. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 40 mm | Both headphones are designed with same thick diaphragm. |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | KEF M500 | ASTRO A20 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | On-cable | Boom | |
| Audio Input Details | - | Uni-directional |
| REMOTE CONTROL | KEF M500 | ASTRO A20 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track | Volume, power on/off |
|---|
| CABLE | KEF M500 | ASTRO A20 |
|---|
| Cable Type | 2 x headset cable - 1.3 m | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
|
|---|---|---|---|
| Cable Length | - | 1 m | |
| Detachable Cable | - | Yes | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | KEF M500 | ASTRO A20 |
|---|
| Battery Type | - | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 15 hour(s) |
| CONNECTIONS | KEF M500 | ASTRO A20 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | KEF M500 | ASTRO A20 |
|---|
| Included Accessories | Protective case, in-flight plug adapter, 3.5 mm to 6.3 mm adapter | Wireless transmitter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Service & Support | Limited warranty - 1 year | - |
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