In depth comparison and review of EPOS I SENNHEISER ADAPT 561 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 561 II | Poly Voyager Surround 80 UC |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack, USB-C via Bluetooth adapter | |
|---|---|---|---|
| Series | ADAPT 500 Series | Voyager Surround 80 series | |
| Height | - | 18.1 cm | |
| Width | - | 19.1 cm | |
| Depth | - | 7.7 cm | |
| Weight | 232 g | 275 g | EPOS I SENNHEISER ADAPT 561 II are lighter than EPOS I SENNHEISER ADAPT 561 II headphones. |
| Colour | - | Black | |
| Earpad Material | Plush, textured fabric | Artificial leather | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 25 m | 30 m | Poly Voyager Surround 80 UC have a greater operating distance than EPOS I SENNHEISER ADAPT 561 II. |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.3 | Poly Voyager Surround 80 UC have a more advanced version of Bluetooth than EPOS I SENNHEISER ADAPT 561 II. |
| 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) | |
| Bluetooth Audio Codec | SBC, AAC | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | Hybrid ANC | 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) | <0.3% | - | |
| Sensitivity | - | 132 dB | |
| Impedance | 32 Ohm | - | |
| Max Sound Pressure | 108 dB | - | |
| Diaphragm | - | 40 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 2 | Poly Voyager Surround 80 UC have the ability to connect to multiple devices simultaneously. |
| Features | Audio prompts | SoundGuard DIGITAL Technology |
| MICROPHONE | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| Form Factor | Headset microphone | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | Beamforming, MEMS-directional | - | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | EPOS I SENNHEISER ADAPT 561 II offer a larger microphone frequency range than Poly Voyager Surround 80 UC. |
| Sensitivity | - | -37 dB | |
| Microphones Included | 2 | 6 | Poly Voyager Surround 80 UC have a built-in microphone. |
| REMOTE CONTROL | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| 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 561 II | Poly Voyager Surround 80 UC |
|---|
| Cable Type | USB-C to USB-C cable - detachable | USB-C charge cable - detachable USB-C to mini-phone 3.5 mm cable - detachable USB-C to USB-A adapter - detachable |
|---|
| FEATURES | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
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| Features | EPOS ActiveGard | In-call LED indicator, touch control, Smart Sensor Technology |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 1100 mAh | |
| Battery Life | - | 24 hours | |
| Battery Life Details | Continuous playback (noise cancelling OFF): up to 46 hours Continuous talk (noise cancelling OFF): up to 41 hours Continuous playback (noise cancelling ON): up to 24 hours Continuous talk (noise cancelling ON): up to 24 hours |
Continuous talk: up to 21 hours Continuous playback: up to 24 hours Continuous talk (with 15 min charge): up to 10 hours |
|
| Standby Time | 81 day | 21 days | EPOS I SENNHEISER ADAPT 561 II have longer standby time than Poly Voyager Surround 80 UC. |
| Charging Time | 220 min | 1 hour(s) | Poly Voyager Surround 80 UC recharge faster than EPOS I SENNHEISER ADAPT 561 II. |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 561 II | Poly Voyager Surround 80 UC |
|---|
| Included Accessories | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | 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 | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | 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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