In depth comparison and review of EPOS I SENNHEISER ADAPT 165 II and Poly Voyager Surround 80 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 UC |
|---|
| Product Type | Headset - wired - 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, 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 | Computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Foldable | Yes | - | EPOS I SENNHEISER ADAPT 165 II can be folded. |
| Connectivity Technology | Wired | Wireless, wired | |
| 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) | |
| Active Noise Cancelling | - | Yes | Poly Voyager Surround 80 UC are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Adaptive Active Noise Cancellation | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | EPOS Voice | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| 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 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 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 | 100 - 6800 Hz | EPOS I SENNHEISER ADAPT 165 II offer a larger microphone frequency range than Poly Voyager Surround 80 UC. |
| Sensitivity | - | -37 dB | |
| Microphones Included | - | 6 |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
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| Controls | - | Mute, volume, power on/off, play/pause, next/previous track, pair mode, Microsoft Teams button |
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| CABLE | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
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| Cable Type | Headset cable - 1.12 m | USB-C charge cable - detachable USB-C to mini-phone 3.5 mm cable - detachable USB-C to USB-A adapter - detachable |
|
|---|---|---|---|
| Cable Length | 1.12 m | - |
| FEATURES | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
|---|
| Features | EPOS ActiveGard | In-call LED indicator, touch control, Smart Sensor Technology |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1100 mAh | |
| Battery Life | - | 24 hours | |
| Battery Life Details | - | Continuous talk: up to 21 hours Continuous playback: up to 24 hours Continuous talk (with 15 min charge): up to 10 hours |
|
| Standby Time | - | 21 days | |
| Charging Time | - | 1 hour(s) |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
|---|
| Connector Type | Headset (mini-phone 3.5mm) | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 165 II | Poly Voyager Surround 80 UC |
|---|
| Included Accessories | - | Carrying case, 3.5 mm to USB-C cable, USB-C to USB-A adapter, BT700 Bluetooth USB-C adapter, USB-C charge cable | |
|---|---|---|---|
| Software Included | - | Poly Lens | |
| Compatibility | - | Mac, Windows | |
| Software Certification | - | Certified for Microsoft Teams, Certified for Microsoft Teams Open Office | |
| Supported Host Device OS | - | macOS, Android, iOS, Windows | |
| Service & Support | Limited warranty - 2 years | - |
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