In depth comparison and review of Poly EncorePro 320, USB-A and Alpha Bravo GX2. 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 GX2 |
|---|
| Product Type | Headset - wired - USB | Headset - wired - USB | |
|---|---|---|---|
| Series | 300 Series | - | |
| Recommended Use | Computer | Game console, portable electronics, computer |
| SOUND QUALITY | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 50 - 8000 Hz | 20 - 20000 Hz | Alpha Bravo GX2 offer a larger frequency range than Poly EncorePro 320, USB-A. |
| Sensitivity | - | 115 dB | |
| Impedance | 32 Ohm | 20 Ohm | |
| Max Sound Pressure | 118 dB | - | |
| Diaphragm | 28 mm | 50 mm | Alpha Bravo GX2 have a thicker diaphragm than Poly EncorePro 320, USB-A. |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Alpha Bravo GX2 microphone can cancel out ambient noise. |
| Frequency Response | - | 50 - 10000 Hz | |
| Sensitivity | - | -36 dB |
| REMOTE CONTROL | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Controls | Mute, volume | - |
|---|
| CABLE | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Cable Type | Headset cable | USB cable - 2 m | |
|---|---|---|---|
| Cable Length | - | 2 m |
| FEATURES | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Additional Functions | - | LED backlight (blue) |
|---|
| CONNECTIONS | Poly EncorePro 320, USB-A | Alpha Bravo GX2 |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (4 PIN USB Type A) |
|---|
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