In depth comparison and review of Poly EncorePro 320, USB-A and Alpha Bravo GX1. 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 | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Product Type | Headset - wired - USB | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | 300 Series | - | |
| Recommended Use | Computer | Game console, portable electronics, computer |
| SOUND QUALITY | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 50 - 8000 Hz | 20 - 20000 Hz | Alpha Bravo GX1 offer a larger frequency range than Poly EncorePro 320, USB-A. |
| Sensitivity | - | 116 dB | |
| Impedance | 32 Ohm | 16 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | 28 mm | 50 mm | Alpha Bravo GX1 have a thicker diaphragm than Poly EncorePro 320, USB-A. |
| In-Cord Volume Control | Yes | Yes |
| MICROPHONE | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Alpha Bravo GX1 microphone can cancel out ambient noise. |
| Sensitivity | - | -36 dB |
| REMOTE CONTROL | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Cable Type | Headset cable | USB cable |
|---|
| FEATURES | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| CONNECTIONS | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly EncorePro 320, USB-A | Alpha Bravo GX1 |
|---|
| Included Accessories | - | 3.5 mm to USB adapter |
|---|
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