In depth comparison and review of Poly Voyager 4220 Office (UC Series) and ASTRO Gaming A20 Wireless Gen 2. 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 Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - 2.4 GHz - wireless | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 17.75 cm | |
| Width | - | 26.2 cm | |
| Depth | - | 8.72 cm | |
| Weight | 150 g | 318 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Dimensions & Weight Details | - | Transmitter: 1.96 cm x 6.58 cm x 0.76 cm / 7.1 g | |
| Colour | - | White, green | |
| Recommended Use | - | Game console, computer | |
| Gaming | - | Yes | |
| Bluetooth Range (Operating Distance) | 30 m | 15 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than ASTRO Gaming A20 Wireless Gen 2. |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
| 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 | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | - | <3% | |
| Sensitivity | 94 dB | 100 dB | ASTRO Gaming A20 Wireless Gen 2 have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | ASTRO Gaming A20 Wireless Gen 2 have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | Uni-directional | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Flip-to-mute |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Cable Type | - | USB-C to USB-A cable - detachable - 1.5 m |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 360 mAh | 1050 mAh | ASTRO Gaming A20 Wireless Gen 2 have a higher battery capacity than Poly Voyager 4220 Office (UC Series). |
| Battery Life | 12 hour(s) | 15 hour(s) | ASTRO Gaming A20 Wireless Gen 2 lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| 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) | 3.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Poly Voyager 4220 Office (UC Series). |
| Auto On/Off | - | Yes |
| OTHERS | Poly Voyager 4220 Office (UC Series) | ASTRO Gaming A20 Wireless Gen 2 |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | Wireless transmitter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows |
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