In depth comparison and review of Poly Blackwire C725-UC and Poly Voyager Focus B825. 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 Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Series | 700 Series | - | |
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | - | 155 g | |
| Colour | - | Black | |
| Recommended Use | Computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Connectivity Technology | Wired | Wireless | |
| 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 | SoundGuard DIGITAL | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Diaphragm | - | 32 mm | |
| Simultaneously Connectable Devices Qty (Multipoint) | - | 8 | Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously. |
| Features | - | Smart Sensor Technology | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | 100 - 8000 Hz | 100 - 6700 Hz | Poly Blackwire C725-UC offer a larger microphone frequency range than Poly Voyager Focus B825. |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Controls | Mute, volume, answer/end | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Cable Type | USB cable - 2.04 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 2.04 m | - |
| BATTERY AND CHARGING | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| 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 Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Connector Type | USB (4 PIN USB Type A) | - |
|---|
| OTHERS | Poly Blackwire C725-UC | Poly Voyager Focus B825 |
|---|
| Included Accessories | Carrying case | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business | |
| TAA Compliant | - | Yes | |
| Service & Support | Limited warranty - 2 years | - |
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