In depth comparison and review of August EP650 and MSI H991. 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 | August EP650 | MSI H991 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Height | 17.66 cm | - | |
| Width | 18.86 cm | - | |
| Depth | 7.1 cm | - | |
| Weight | 235 g | 300 g | August EP650 are lighter than August EP650 headphones. |
| Colour | Gold | - | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | August EP650 | MSI H991 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Foldable | Yes | - | August EP650 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 20000 Hz | 20 - 20000 Hz | MSI H991 offer a larger frequency range than August EP650. |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 101 dB +/- 3dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 50 mm | 40 mm | August EP650 have a thicker diaphragm than MSI H991. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | August EP650 | MSI H991 |
|---|
| Form Factor | Built-in | Built-in | |
|---|---|---|---|
| Microphone Operation Mode | - | Omni-directional | |
| Sensitivity | - | -47 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Impedance | - | 2.2 kOhm |
| CABLE | August EP650 | MSI H991 |
|---|
| Cable Type | Headphones cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| BATTERY AND CHARGING | August EP650 | MSI H991 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | August EP650 | MSI H991 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (mini-phone 3.5mm) |
|---|
| OTHERS | August EP650 | MSI H991 |
|---|
| Included Accessories | USB charging cable | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | - |
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