Detailed comparison and review of beyerdynamic DT 990 PRO and Poly Voyager 4220 USB-A. 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 | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB | |
|---|---|---|---|
| Weight | 250 g | 150 g | Poly Voyager 4220 USB-A 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 USB-A |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Open | - | |
| 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) | |
| 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 USB-A. |
| Max Input Power | 100 mW | - | |
| Total Harmonic Distortion (THD) | 0.2% | - | |
| Sensitivity | 96 dB | 94 dB | beyerdynamic DT 990 PRO have higher sensitivity than Poly Voyager 4220 USB-A. |
| Impedance | 250 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Cable Type | Headphones cable - 3 m | - | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Plated Connector | Gold | - |
| FEATURES | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| 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 | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Connector Type | Headphones (mini-phone 3.5mm) | - |
|---|
| OTHERS | beyerdynamic DT 990 PRO | Poly Voyager 4220 USB-A |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams |
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