Side by side comparison and review of Poly Voyager 4220 and Alpha Bravo GX2. 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 | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB | |
|---|---|---|---|
| Series | 4200 UC Series | - | |
| Weight | 150 g | - | |
| Recommended Use | - | Game console, portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Bluetooth Audio Codec | SBC, mSBC | - | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 115 dB | |
| Impedance | 32 Ohm | 20 Ohm | |
| Diaphragm | 32 mm | 50 mm | Alpha Bravo GX2 have a thicker diaphragm than Poly Voyager 4220. |
| Features | SoundGuard DIGITAL Technology | - |
| MICROPHONE | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | Omni-directional | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 6800 Hz | 50 - 10000 Hz | Alpha Bravo GX2 offer a larger microphone frequency range than Poly Voyager 4220. |
| Sensitivity | - | -36 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | - |
|---|
| CABLE | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Cable Type | - | USB cable - 2 m | |
|---|---|---|---|
| Cable Length | - | 2 m |
| FEATURES | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Additional Functions | - | LED backlight (blue) |
| BATTERY AND CHARGING | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
- | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| CONNECTIONS | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Connector Type | - | USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 | Alpha Bravo GX2 |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - |
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