Side by side comparison and review of HyperX Cloud Alpha S 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 | HyperX Cloud Alpha S | MSI H991 |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | 19.934 cm | - | |
| Width | 13.5 cm | - | |
| Depth | 9.23 cm | - | |
| Weight | 321 g | 300 g | MSI H991 are lighter than HyperX Cloud Alpha S headphones. |
| Colour | Blackout | Black | - | |
| Body Material | Aluminium | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Game console, computer | Computer |
| SOUND QUALITY | HyperX Cloud Alpha S | MSI H991 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | 7.1 Channel Virtual Surround Sound | - | |
| Frequency Response | 13 - 27000 Hz | 20 - 20000 Hz | HyperX Cloud Alpha S offer a larger frequency range than MSI H991. |
| Total Harmonic Distortion (THD) | <1% | - | |
| Sensitivity | 98 dB | 101 dB +/- 3dB | MSI H991 have higher sensitivity than HyperX Cloud Alpha S. |
| Impedance | 65 Ohm | 32 Ohm | |
| Diaphragm | 50 mm | 40 mm | HyperX Cloud Alpha S have a thicker diaphragm than MSI H991. |
| Magnet Material | Neodymium | - |
| MICROPHONE | HyperX Cloud Alpha S | MSI H991 |
|---|
| Form Factor | Detachable headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Technology | Electret condenser | - | |
| Microphone Operation Mode | Bi-directional | Omni-directional | |
| Frequency Response | 50 - 18000 Hz | - | |
| Sensitivity | -38 dBV/Pascal | -47 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Impedance | - | 2.2 kOhm |
| REMOTE CONTROL | HyperX Cloud Alpha S | MSI H991 |
|---|
| Controls | Volume, microphone on/off, microphone volume | - |
|---|
| CABLE | HyperX Cloud Alpha S | MSI H991 |
|---|
| Cable Type | Headset cable - 1 m | - | |
|---|---|---|---|
| Cable Length | 1 m | 1.5 m | |
| Detachable Cable | Yes | - |
| CONNECTIONS | HyperX Cloud Alpha S | MSI H991 |
|---|
| Connector Type | Headset (mini-phone stereo 3.5 mm 4-pole) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | HyperX Cloud Alpha S | MSI H991 |
|---|
| Included Accessories | Ear cushion, travel bag, external USB control box | - | |
|---|---|---|---|
| Compatibility | Mac, Windows | - | |
| Service & Support | Limited warranty - 2 years | - |
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