In depth comparison and review of AKG K92 and Poly Voyager 4220 Office (UC Series). 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 K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 200 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than AKG K92 headphones. |
| Colour | Matte black | - | |
| Earpad Material | Leatherette | - | |
| Recommended Use | Professional audio | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wired | Wireless | |
| 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) | |
| Noise Isolating | Yes | - | AKG K92 are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 16 - 22000 Hz | 20 - 20000 Hz | AKG K92 offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Max Input Power | 200 mW | - | |
| Sensitivity | 113 dB | 94 dB | AKG K92 have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | AKG K92 have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Features | - | SoundGuard Technology |
| MICROPHONE | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headphones cable - 3 m | - |
|---|
| FEATURES | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| 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 | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | AKG K92 | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | 3.5 mm to 6.3 mm adapter | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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