In depth comparison and review of EPOS I SENNHEISER ADAPT 561 II and Poly EncorePro 725. 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 EncorePro 725 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB-A | |
|---|---|---|---|
| Series | ADAPT 500 Series | EncorePro 700 Series | |
| Weight | 232 g | 78 g | Poly EncorePro 725 are lighter than EPOS I SENNHEISER ADAPT 561 II headphones. |
| Colour | - | Black | |
| Earpad Material | Plush, textured fabric | Artificial leather | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 25 m | - |
| SOUND QUALITY | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Ear Cups Type | Closed | - | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| Bluetooth Audio Codec | SBC, AAC | - | |
| Active Noise Cancelling | Yes | - | EPOS I SENNHEISER ADAPT 561 II 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 | - | |
| Diaphragm | - | 28 mm | |
| Features | Audio prompts | SoundGuard Technology |
| MICROPHONE | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Beamforming, MEMS-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 725 microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 10000 Hz | 100 - 6800 Hz | EPOS I SENNHEISER ADAPT 561 II offer a larger microphone frequency range than Poly EncorePro 725. |
| Microphones Included | 2 | - |
| CABLE | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Cable Type | USB-C to USB-C cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 89 cm |
| FEATURES | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Features | EPOS ActiveGard | 290° rotatable microphone |
|---|
| BATTERY AND CHARGING | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| 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 |
- | |
| Standby Time | 81 day | - | |
| Charging Time | 220 min | - |
| CONNECTIONS | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Connector Type | - | USB (USB Type-A) |
|---|
| OTHERS | EPOS I SENNHEISER ADAPT 561 II | Poly EncorePro 725 |
|---|
| Included Accessories | Carrying case, BTD 800 USB-C dongle, USB-C to USB-C cable | - | |
|---|---|---|---|
| Software Certification | Zoom Certified, Certified for Microsoft Teams, Optimised for UC, Optimised for Google Meet | - | |
| Service & Support | Limited warranty - 2 years | - |
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