In depth comparison and review of Poly Voyager Focus B825 and Poly Blackwire 3225 (3300 Series). 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 B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headset - wired - USB, 3.5 mm jack | |
|---|---|---|---|
| Series | - | 3300 Series | |
| Height | 7 cm | 17.8 cm | |
| Width | 18.3 cm | 15.5 cm | |
| Depth | 16 cm | 3.2 cm | |
| Weight | 155 g | 64 g | Poly Blackwire 3225 (3300 Series) are lighter than Poly Voyager Focus B825 headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Artificial leather | |
| Recommended Use | Portable electronics, computer | Computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Active Noise Cancelling | Yes | Yes | Both headphones are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | SoundGuard DIGITAL | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | - | 90 dB | |
| Impedance | - | 32 Ohm | |
| Diaphragm | 32 mm | 28 mm | Poly Voyager Focus B825 have a thicker diaphragm than Poly Blackwire 3225 (3300 Series). |
| Simultaneously Connectable Devices Qty (Multipoint) | 8 | - | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | Smart Sensor Technology | Digital signal processing, Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | MEMS-directional | Omni-directional | |
| Frequency Response | 100 - 6700 Hz | 100 - 10000 Hz | Poly Blackwire 3225 (3300 Series) offer a larger microphone frequency range than Poly Voyager Focus B825. |
| Sensitivity | - | -38 dBV/Pascal | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | Mute, volume, answer/end, hold, redial |
|---|
| CABLE | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Cable Type | Micro-USB charging cable | USB-A cable |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Capacity | 325 mAh | - | |
| Battery Life | 15 hour(s) | - | |
| 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) | - |
| CONNECTIONS | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Connector Type | - | USB (4 PIN USB Type A) Headset (mini-phone stereo 3.5 mm) |
|---|
| OTHERS | Poly Voyager Focus B825 | Poly Blackwire 3225 (3300 Series) |
|---|
| Included Accessories | Travel pouch, BT700 Bluetooth USB adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | Certified for Skype for Business | Skype Certified, Avaya Certified, Cisco Jabber Certified | |
| Supported Host Device OS | - | Windows 10, macOS, Windows 11 | |
| TAA Compliant | Yes | - |
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