In depth comparison and review of Poly Voyager Focus UC B825-M, XS and EPOS I SENNHEISER ADAPT 561 II. 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 | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - Bluetooth - wireless | |
|---|---|---|---|
| Series | - | ADAPT 500 Series | |
| Height | 21 cm | - | |
| Width | 18.6 cm | - | |
| Depth | 11.6 cm | - | |
| Weight | 155 g | 232 g | Poly Voyager Focus UC B825-M, XS are lighter than Poly Voyager Focus UC B825-M, XS headphones. |
| Earpad Material | - | Plush, textured fabric | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | 25 m | Poly Voyager Focus UC B825-M, XS have a greater operating distance than EPOS I SENNHEISER ADAPT 561 II. |
| SOUND QUALITY | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Ear Cups Type | - | Closed | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.0 | EPOS I SENNHEISER ADAPT 561 II have a more advanced version of Bluetooth than Poly Voyager Focus UC B825-M, XS. |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Bluetooth Audio Codec | - | SBC, AAC | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | - | EPOS Voice | |
| Frequency Response | - | 20 - 20000 Hz | |
| Total Harmonic Distortion (THD) | - | <0.3% | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 108 dB | |
| Features | SoundGuard DIGITAL Technology | Audio prompts |
| MICROPHONE | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | Beamforming, MEMS-directional | |
| Frequency Response | - | 100 - 10000 Hz | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | - |
|---|
| CABLE | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Cable Type | Charging cable | USB-C to USB-C cable - detachable |
|---|
| FEATURES | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Features | - | EPOS ActiveGard | |
|---|---|---|---|
| Additional Functions | DSP | - |
| BATTERY AND CHARGING | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Battery Type | Headset battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - | |
| Battery Life Details | Continuous talk (noise cancelling OFF): up to 12 hours Continuous talk (noise cancelling ON): up to 10 hours Continuous playback (noise cancelling OFF): up to 15 hours Continuous playback (noise cancelling ON): up to 12 hours |
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 |
|
| Standby Time | - | 81 day | |
| Charging Time | - | 220 min |
| OTHERS | Poly Voyager Focus UC B825-M, XS | EPOS I SENNHEISER ADAPT 561 II |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | |
| TAA Compliant | Yes | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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