Side by side comparison and review of Poly Voyager 4220 UC and EPOS I SENNHEISER ADAPT 165 USB II. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Weight | 150 g | 135.8 g | EPOS I SENNHEISER ADAPT 165 USB II are lighter than Poly Voyager 4220 UC headphones. |
| Colour | - | Black | |
| Earpad Material | - | Leatherette | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Foldable | - | Yes | EPOS I SENNHEISER ADAPT 165 USB II can be folded. |
| 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 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | - | |
| Frequency Response | - | 100 - 8000 Hz | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Volume, answer/end, microphone on/mute, hold, redial |
|---|
| CABLE | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Cable Type | - | Headset cable USB cable - detachable |
|---|
| FEATURES | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Intelligent Assistant | Alexa | - |
| BATTERY AND CHARGING | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 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 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Connector Type | Wireless adapter (4 PIN USB Type A) | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Voyager 4220 UC | EPOS I SENNHEISER ADAPT 165 USB II |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | - | |
|---|---|---|---|
| Software Certification | - | Optimised for UC | |
| Service & Support | - | Limited warranty - 2 years |
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