In depth comparison and review of AKG K812 and Poly Voyager 4220 UC, USB-C, Microsoft Teams. 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 | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Weight | 390 g | 150 g | Poly Voyager 4220 UC, USB-C, Microsoft Teams are lighter than AKG K812 headphones. |
| Colour | Black | - | |
| Recommended Use | Professional audio | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Open | - | |
| Connectivity Technology | Wired | 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 | 5 - 54000 Hz | 20 - 20000 Hz | AKG K812 offer a larger frequency range than Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| Max Input Power | 300 mW | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 36 Ohm | 32 Ohm | |
| Diaphragm | 53 mm | 32 mm | AKG K812 have a thicker diaphragm than Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Cable Type | Headphones cable - detachable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| FEATURES | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Battery Type | - | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | - | 15 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 | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Wireless adapter (USB Type-C) |
|---|
| OTHERS | AKG K812 | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Bluetooth USB-C adapter |
|---|
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