In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Razer Kraken BT. 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) | Razer Kraken BT |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 298 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Earpad Material | - | Leatherette, foam, plush | |
| Recommended Use | - | Portable electronics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | Razer Kraken BT have a more advanced version of Bluetooth than Poly Voyager 4220 Office (UC Series). |
| 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. |
| Sensitivity | 94 dB | 96 dB/mW | Razer Kraken BT have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Razer Kraken BT have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Features | SoundGuard Technology | Razer Chroma lighting |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Razer Kraken BT microphone can cancel out ambient noise. |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume, power on/off, pair mode, multiple function button |
|---|
| FEATURES | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Additional Functions | - | RGB lighting |
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 50 hour(s) | Razer Kraken BT 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 |
Continuous playback (with LED lights): up to 20 hours Continuous playback: up to 20 hours |
|
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Poly Voyager 4220 Office (UC Series) | Razer Kraken BT |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - |
|---|
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