In depth comparison and review of Sennheiser HD 2.20s 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 | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | HD 2.0 | UC Series | |
| Weight | 246 g | 150 g | Poly Voyager 4220 Office (UC Series) are lighter than Sennheiser HD 2.20s headphones. |
| Colour | Black | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | On-ear | 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) | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 18 - 18000 Hz | 20 - 20000 Hz | Poly Voyager 4220 Office (UC Series) offer a larger frequency range than Sennheiser HD 2.20s. |
| Total Harmonic Distortion (THD) | 0.5% | - | |
| Sensitivity | 117 dB | 94 dB | Sennheiser HD 2.20s have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
| Impedance | 26 Ohm | 32 Ohm | |
| Diaphragm | - | 32 mm | |
| Features | - | SoundGuard Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Type | On-cable | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | Uni-directional | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | Headphones cable - 1.4 m | - | |
|---|---|---|---|
| Cable Length | 1.4 m | - |
| FEATURES | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Sennheiser HD 2.20s | 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 | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm 4-pole) | - |
|---|
| OTHERS | Sennheiser HD 2.20s | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | Audio cable (1.4 m) | Wireless headset system base, Bluetooth USB-C adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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