In depth comparison and review of Poly Voyager 4220 Office (UC Series) and EPOS I SENNHEISER ADAPT 361. 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 | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 238 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | White | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | 25 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than EPOS I SENNHEISER ADAPT 361. |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Foldable | - | Yes | EPOS I SENNHEISER ADAPT 361 can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | EPOS I SENNHEISER ADAPT 361 have a more advanced version of Bluetooth than Poly Voyager 4220 Office (UC Series). |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Bluetooth Audio Codec | - | SBC, aptX | |
| Active Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 361 are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 18 - 22000 Hz | EPOS I SENNHEISER ADAPT 361 offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 108 dB | |
| Diaphragm | 32 mm | - | |
| Features | SoundGuard Technology | Audio prompts |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Uni-directional | Beamforming | |
| Noise Cancelling | - | Yes | EPOS I SENNHEISER ADAPT 361 microphone can cancel out ambient noise. |
| Frequency Response | - | 80 - 8000 Hz | |
| Microphones Included | 2 | 2 | Both headphones have a built-in microphone. |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | - |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Cable Type | - | USB-C to micro-USB cable Audio cable |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Features | Voice alerts | EPOS ActiveGard, Talk-Through |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | 360 mAh | 600 mAh | EPOS I SENNHEISER ADAPT 361 have a higher battery capacity than Poly Voyager 4220 Office (UC Series). |
| Battery Life | 12 hour(s) | 46 hour(s) | EPOS I SENNHEISER ADAPT 361 lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 39 hours |
|
| Standby Time | 312 hours | 62 days | EPOS I SENNHEISER ADAPT 361 have longer standby time than Poly Voyager 4220 Office (UC Series). |
| Charging Time | 1.5 hour(s) | 2.5 hour(s) | Poly Voyager 4220 Office (UC Series) recharge faster than Poly Voyager 4220 Office (UC Series). |
| CONNECTIONS | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Connector Type | - | Audio line-in (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | EPOS I SENNHEISER ADAPT 361 |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | Carrying pouch, BTD 800 USB-C dongle | |
|---|---|---|---|
| Software Certification | - | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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