Detailed comparison and review of Poly Voyager 4220 and EPOS I SENNHEISER ADAPT 135 USB II. 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 | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | 4200 UC Series | ADAPT 100 Series | |
| Weight | 150 g | 145.3 g | EPOS I SENNHEISER ADAPT 135 USB II are lighter than Poly Voyager 4220 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB 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 135 USB 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 135 USB II offer a larger microphone frequency range than Poly Voyager 4220. |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB 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 135 USB II |
|---|
| Cable Type | - | Headset cable |
|---|
| FEATURES | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Features | Voice alerts | EPOS ActiveGard |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB 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 135 USB II |
|---|
| Connector Type | - | Headset (USB Type-A) Headset (mini-phone 3.5mm) |
|---|
| OTHERS | Poly Voyager 4220 | EPOS I SENNHEISER ADAPT 135 USB II |
|---|
| Included Accessories | Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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