In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II and Poly Voyager Surround 80-M UC. 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 | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-C via Bluetooth adapter | |
|---|---|---|---|
| Series | ADAPT 100 Series | Voyager Surround 80 series | |
| Height | - | 18.1 cm | |
| Width | - | 19.1 cm | |
| Depth | - | 7.7 cm | |
| Weight | 145.3 g | 275 g | EPOS I SENNHEISER ADAPT 165 II are lighter than EPOS I SENNHEISER ADAPT 165 II headphones. |
| Colour | Black | Black | |
| Earpad Material | Leatherette | Artificial leather | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Headphones Form Factor | On-ear | Over ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Foldable | Yes | - | EPOS I SENNHEISER ADAPT 165 II can be folded. |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 5.3 | |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Audio/Video Distribution Transport Protocol (AVDTP) | |
| Sound Output Mode | Stereo | - | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Total Harmonic Distortion (THD) | 55% | - | |
| Sensitivity | - | 132 dB | |
| Max Sound Pressure | 115 dB | - | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Surround 80-M UC have the ability to connect to multiple devices simultaneously. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard DIGITAL Technology |
| MICROPHONE | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 165 II microphone can cancel out ambient noise. |
| Frequency Response | 100 - 8000 Hz | 20 - 16000 Hz | Poly Voyager Surround 80-M UC offer a larger microphone frequency range than EPOS I SENNHEISER ADAPT 165 II. |
| Sensitivity | - | -37 dB | |
| Microphones Included | - | 10 |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
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| Controls | - | Volume, power on/off, answer/end, play/pause |
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| CABLE | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Cable Type | Headset cable - 1.12 m | - | |
|---|---|---|---|
| Cable Length | 1.12 m | - |
| FEATURES | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Features | EPOS ActiveGard | - |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Battery Type | - | Headset battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Life | - | 24 hours | |
| Battery Life Details | - | Continuous playback: up to 24 hours Continuous talk: up to 21 hours |
|
| Charging Time | - | 1 hours |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Connector Type | Headset (mini-phone 3.5mm) | - |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80-M UC |
|---|
| Included Accessories | - | Carrying case, USB charging cable, USB-C to USB-A adapter, USB-C to audio cable, BT700 Bluetooth USB-C adapter | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams | |
| Supported Host Device OS | - | macOS, Android, iOS, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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