In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Trust GXT 448 Nixxo. 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 448 Nixxo |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 20.4 cm | |
| Width | - | 23 cm | |
| Depth | - | 9.8 cm | |
| Weight | 150 g | 350 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Earpad Material | - | Synthetic leather | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| 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) | - | 5% | |
| Sensitivity | 94 dB | 112 dB | Trust GXT 448 Nixxo have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 25 Ohm | |
| Diaphragm | 32 mm | 50 mm | Trust GXT 448 Nixxo 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 448 Nixxo |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume, microphone on/mute |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Cable Type | - | Headset cable - braided fabric - 2.3 m | |
|---|---|---|---|
| Cable Length | - | 2.3 m |
| FEATURES | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Additional Functions | - | LED backlight |
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 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 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Connector Type | - | Headset (mini-phone stereo 3.5 mm 4-pole) USB (power only) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Trust GXT 448 Nixxo |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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