Side by side comparison and review of ASTRO A20 and MSI H991. 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 | ASTRO A20 | MSI H991 |
|---|
| Product Type | Headset - wireless | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Weight | 320 g | 300 g | MSI H991 are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | - | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | Computer | |
| Bluetooth Range (Operating Distance) | 9.14 m | - |
| SOUND QUALITY | ASTRO A20 | MSI H991 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 100 dB | 101 dB +/- 3dB | MSI H991 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 | - | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A20 | MSI H991 |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | - | Omni-directional | |
| Audio Input Details | Uni-directional | - | |
| Sensitivity | - | -47 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Impedance | - | 2.2 kOhm |
| REMOTE CONTROL | ASTRO A20 | MSI H991 |
|---|
| Controls | Volume, power on/off | - |
|---|
| CABLE | ASTRO A20 | MSI H991 |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
- | |
|---|---|---|---|
| Cable Length | 1 m | 1.5 m | |
| Detachable Cable | Yes | - |
| BATTERY AND CHARGING | ASTRO A20 | MSI H991 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | ASTRO A20 | MSI H991 |
|---|
| Connector Type | - | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | ASTRO A20 | MSI H991 |
|---|
| Included Accessories | Wireless transmitter | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | - |
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