Detailed comparison and review of ASTRO A20 and Poly Voyager 4220 UC, USB-C, Microsoft Teams. 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 | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Product Type | Headset - wireless | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Weight | 320 g | 150 g | Poly Voyager 4220 UC, USB-C, Microsoft Teams are lighter than ASTRO A20 headphones. |
| Colour | Black, green | Navy, Call of Duty | Silver, Call of Duty | Black, blue | - | |
| Headband Material | Steel | - | |
| Recommended Use | Game console, computer | - | |
| Bluetooth Range (Operating Distance) | 9.14 m | 30 m | Poly Voyager 4220 UC, USB-C, Microsoft Teams have a greater operating distance than ASTRO A20. |
| SOUND QUALITY | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless | |
| 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 | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Total Harmonic Distortion (THD) | <3% | - | |
| Sensitivity | 100 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | ASTRO A20 have a thicker diaphragm than Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Form Factor | Headset microphone | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Audio Input Details | Uni-directional | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Controls | Volume, power on/off | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Cable Type | Micro-USB cable - detachable - 1 m Audio (optical) cable - detachable - 1 m Micro-USB cable - detachable - 50 cm |
- | |
|---|---|---|---|
| Cable Length | 1 m | - | |
| Detachable Cable | Yes | - |
| FEATURES | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 15 hour(s) | 15 hour(s) | Both headphones last the same amount of time on a single charge. |
| 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 | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Connector Type | - | Wireless adapter (USB Type-C) |
|---|
| OTHERS | ASTRO A20 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Included Accessories | Wireless transmitter | Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | Mac, Windows | - |
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