Side by side comparison and review of Poly Voyager Focus B825-M and Sennheiser ACCENTUM Wireless. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | 7 cm | - | |
| Width | 18.3 cm | - | |
| Depth | 16 cm | - | |
| Weight | 155 g | 222 g | Poly Voyager Focus B825-M are lighter than Poly Voyager Focus B825-M headphones. |
| Colour | Black | Black | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Headphones Form Factor | On-ear | Full size binaural | |
|---|---|---|---|
| Headphones Technology | - | Dynamic | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 5.2 | Sennheiser ACCENTUM Wireless have a more advanced version of Bluetooth than Poly Voyager Focus B825-M. |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP), Generic Attribute Profile (GATT) | |
| Bluetooth Audio Codec | - | SBC, AAC, aptX HD, mSBC, CVSD | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard | Hybrid ANC | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 10 - 22000 Hz | Sennheiser ACCENTUM Wireless offer a larger frequency range than Poly Voyager Focus B825-M. |
| Total Harmonic Distortion (THD) | - | 0.3% | |
| Sensitivity | - | 106 dB | |
| Diaphragm | 32 mm | 37 mm | Sennheiser ACCENTUM Wireless have a thicker diaphragm than Poly Voyager Focus B825-M. |
| Simultaneously Connectable Devices Qty (Multipoint) | 8 | - | Poly Voyager Focus B825-M have the ability to connect to multiple devices simultaneously. |
| Features | Smart Sensor Technology | - |
| MICROPHONE | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Type | Boom | - | |
| Microphone Operation Mode | MEMS-directional | Beamforming | |
| Frequency Response | 100 - 6700 Hz | 50 - 8000 Hz | Sennheiser ACCENTUM Wireless offer a larger microphone frequency range than Poly Voyager Focus B825-M. |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | - |
|---|
| CABLE | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Cable Type | Micro-USB charging cable | USB-C charge cable - detachable |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Battery Type | Headset battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 325 mAh | 800 mAh | Sennheiser ACCENTUM Wireless have a higher battery capacity than Poly Voyager Focus B825-M. |
| Battery Life | 15 hour(s) | 50 hour(s) | Sennheiser ACCENTUM Wireless lasts longer on a single charge than the Poly Voyager Focus B825-M. |
| Battery Life Details | Continuous playback (AAC, active noise-cancelling on): up to 12 hours Continuous talk (active noise-cancelling off): up to 12 hours Continuous talk (active noise-cancelling on): up to 10 hours Continuous playback (active noise-cancelling off): up to 15 hours |
- | |
| Charging Time | 2 hour(s) | 3 hour(s) | Poly Voyager Focus B825-M recharge faster than Poly Voyager Focus B825-M. |
| WIRELESS LINK | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Modulation Type | - | GFSK, 8-DPSK, 4-DQPSK | |
|---|---|---|---|
| Radio Frequency Range | - | 2.402 - 2.480GHz |
| OTHERS | Poly Voyager Focus B825-M | Sennheiser ACCENTUM Wireless |
|---|
| Included Accessories | Travel pouch, BT700 Bluetooth USB adapter | - | |
|---|---|---|---|
| Software Certification | Certified for Skype for Business, Certified for Microsoft Teams | - |
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