In depth comparison and review of beyerdynamic DT 1770 PRO 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 | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Weight | 388 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than beyerdynamic DT 1770 PRO headphones. |
| Colour | Black | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 5 - 40000 Hz | 20 - 20000 Hz | beyerdynamic DT 1770 PRO offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Total Harmonic Distortion (THD) | 0.05% | - | |
| Sensitivity | 102 dB | 94 dB | beyerdynamic DT 1770 PRO have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 250 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology |
| MICROPHONE | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | - | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headphones cable - 3 m Headphones cable - 5 m |
- |
|---|
| FEATURES | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | beyerdynamic DT 1770 PRO | 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 | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | beyerdynamic DT 1770 PRO | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter, 2 earpads, carrying bag | Wireless headset system base, Bluetooth USB-C adapter |
|---|
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