In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Trust GXT 391 Thian. 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) | Trust GXT 391 Thian |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - 5.8 GHz - wireless, wired - 3.5 mm jack, USB-A | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 15.9 cm | |
| Width | - | 8 cm | |
| Depth | - | 18.9 cm | |
| Weight | 150 g | 197 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | |
| Earpad Material | - | Synthetic leather | |
| Design | - | Games | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | 5.8 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) | - | 1% | |
| Sensitivity | 94 dB | 100 dB | Trust GXT 391 Thian have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | - | |
| Diaphragm | 32 mm | 40 mm | Trust GXT 391 Thian have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard Technology | - |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Microphone Features | - | Mute function | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Cable Type | - | Headset cable - 1.2 m USB-C charge cable - 30 cm |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 13 hour(s) | Trust GXT 391 Thian 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) | - |
| CONNECTIONS | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Connector Type | - | Headset (mini-phone stereo 3.5 mm 4-pole) USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Trust GXT 391 Thian |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | USB receiver | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 1 year |
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