Detailed comparison and review of ASTRO A20 and Cooler Master CH321. 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 | ASTRO A20 | Cooler Master CH321 |
|---|
| Product Type | Headset - wireless | Headset - wired - USB | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 20 cm | |
| Depth | - | 10.5 cm | |
| Weight | 320 g | 348 g | ASTRO A20 are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | - | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ASTRO A20 | Cooler Master CH321 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Max Input Power | - | 180 mW | |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 100 dB | 115 dB | Cooler Master CH321 have higher sensitivity than ASTRO A20. |
| Impedance | 32 Ohm | 16 Ohm | |
| Diaphragm | 40 mm | 50 mm | Cooler Master CH321 have a thicker diaphragm than ASTRO A20. |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A20 | Cooler Master CH321 |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 16000 Hz | |
| Audio Input Details | Uni-directional | Omni-directional - 100 - 16000 Hz | |
| Sensitivity | - | -38 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| REMOTE CONTROL | ASTRO A20 | Cooler Master CH321 |
|---|
| Controls | Volume, power on/off | - |
|---|
| CABLE | ASTRO A20 | Cooler Master CH321 |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
- | |
|---|---|---|---|
| Cable Length | 1 m | 2.3 m | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A20 | Cooler Master CH321 |
|---|
| Additional Functions | - | RGB lighting |
|---|
| BATTERY AND CHARGING | ASTRO A20 | Cooler Master CH321 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | ASTRO A20 | Cooler Master CH321 |
|---|
| Connector Type | - | Headset (4 PIN USB Type A) |
|---|
| OTHERS | ASTRO A20 | Cooler Master CH321 |
|---|
| Included Accessories | Wireless transmitter | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Service & Support | - | Limited warranty - 2 years |
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