Detailed comparison and review of Poly Voyager 4220 USB-A and Razer Kaira. 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 | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headset - 2.4/5 GHz - wireless | |
|---|---|---|---|
| Weight | 150 g | 293 g | Poly Voyager 4220 USB-A are lighter than Poly Voyager 4220 USB-A headphones. |
| Earpad Material | - | FlowKnit memory foam | |
| Recommended Use | - | Game console, computer | |
| Bluetooth Range (Operating Distance) | 30 m | 10 m | Poly Voyager 4220 USB-A have a greater operating distance than Razer Kaira. |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | 2.4/5 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) | - | |
| Noise Isolating | - | Yes | Razer Kaira are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | Windows Sonic surround sound | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 108 dB | Razer Kaira have higher sensitivity than Poly Voyager 4220 USB-A. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 50 mm | Razer Kaira have a thicker diaphragm than Poly Voyager 4220 USB-A. |
| Magnet Material | - | Razer Triforce titanium | |
| Features | SoundGuard Technology | - |
| MICROPHONE | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | Uni-directional (HyperClear flexible cardioid) | |
| Frequency Response | - | 100 - 10000 Hz | |
| Sensitivity | - | -54 dB | |
| Signal-To-Noise Ratio | - | 60 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Volume, power on/off, microphone on/mute switch, status indicator, pair mode, game/chat balance |
|---|
| FEATURES | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Features | Voice alerts | Xbox Wireless technology |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 12 hour(s) | 15 hour(s) | Razer Kaira lasts longer on a single charge than the Poly Voyager 4220 USB-A. |
| 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) | - |
| OTHERS | Poly Voyager 4220 USB-A | Razer Kaira |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | - | Limited warranty - 2 years |
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