Detailed comparison and review of Poly EncorePro 320, USB-C and MSI H991. 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 | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Product Type | Headset - wired - USB-C | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Weight | - | 300 g | |
| Recommended Use | Computer | Computer |
| SOUND QUALITY | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 8000 Hz | 20 - 20000 Hz | MSI H991 offer a larger frequency range than Poly EncorePro 320, USB-C. |
| Sensitivity | - | 101 dB +/- 3dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | 28 mm | 40 mm | MSI H991 have a thicker diaphragm than Poly EncorePro 320, USB-C. |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Sensitivity | - | -47 dB | |
| Sensitivity Margin | - | +/- 3dB | |
| Impedance | - | 2.2 kOhm |
| REMOTE CONTROL | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Cable Type | Headset cable | - | |
|---|---|---|---|
| Cable Length | - | 1.5 m |
| CONNECTIONS | Poly EncorePro 320, USB-C | MSI H991 |
|---|
| Connector Type | Headset (24 pin USB-C) | Headset (mini-phone 3.5mm) |
|---|
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