Side by side comparison and review of beyerdynamic DT 990 PRO and Poly Voyager 4220 UC, USB-C, Microsoft Teams. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | beyerdynamic DT 990 PRO | 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 | 250 g | 150 g | Poly Voyager 4220 UC, USB-C, Microsoft Teams are lighter than beyerdynamic DT 990 PRO headphones. |
| Colour | Black | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| 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 - 35000 Hz | 20 - 20000 Hz | beyerdynamic DT 990 PRO offer a larger frequency range than Poly Voyager 4220 UC, USB-C, Microsoft Teams. |
| Max Input Power | 100 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 96 dB | - | |
| Impedance | 250 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant |
|---|
| CABLE | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| FEATURES | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Features | - | Voice alerts | |
|---|---|---|---|
| Internet of Things (IoT) Compatible | - | Yes | |
| Intelligent Assistant | - | Alexa |
| BATTERY AND CHARGING | beyerdynamic DT 990 PRO | 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 | beyerdynamic DT 990 PRO | Poly Voyager 4220 UC, USB-C, Microsoft Teams |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | Wireless adapter (USB Type-C) |
|---|
| OTHERS | beyerdynamic DT 990 PRO | 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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