In depth comparison and review of Poly Voyager 4220 and EPOS I SENNHEISER ADAPT 165T USB-C II. 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 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - 3.5 mm jack, USB-C | |
|---|---|---|---|
| Series | 4200 UC Series | ADAPT 100 Series | |
| Weight | 150 g | 135.8 g | EPOS I SENNHEISER ADAPT 165T USB-C II are lighter than Poly Voyager 4220 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Connectivity Technology | Wireless | Wired | |
| 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 | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | - | 115 dB | |
| Diaphragm | 32 mm | - | |
| Magnet Material | - | Neodymium | |
| Features | SoundGuard DIGITAL Technology | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | Mono | |
| Noise Cancelling | Yes | Yes | The microphones on both headphones can cancel out ambient noise. |
| Frequency Response | 100 - 6800 Hz | 100 - 8000 Hz | EPOS I SENNHEISER ADAPT 165T USB-C II offer a larger microphone frequency range than Poly Voyager 4220. |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Volume, answer/end |
|---|
| CABLE | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Cable Type | - | Headset cable |
|---|
| FEATURES | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Features | Voice alerts | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| 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 | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Connector Type | - | Headset (USB Type-C) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 165T USB-C II |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | Certified for Microsoft Teams, Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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