Side by side comparison and review of Poly Voyager Focus B825-M and Poly Blackwire 3320-M. 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 | Poly Blackwire 3320-M |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | Headset - wired - USB-C | |
|---|---|---|---|
| Series | - | Blackwire 3300 series | |
| Height | 7 cm | 17.8 cm | |
| Width | 18.3 cm | 15.5 cm | |
| Depth | 16 cm | 3.2 cm | |
| Weight | 155 g | 130 g | Poly Blackwire 3320-M are lighter than Poly Voyager Focus B825-M headphones. |
| Colour | Black | Black | |
| Earpad Material | - | Foam | |
| Recommended Use | Portable electronics, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| 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 | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | - | 116 dB | |
| Impedance | - | 32 Ohm | |
| Max Sound Pressure | - | 118 dB | |
| Diaphragm | 32 mm | 32 mm | Both headphones are designed with same thick diaphragm. |
| Simultaneously Connectable Devices Qty (Multipoint) | 8 | - | Poly Voyager Focus B825-M have the ability to connect to multiple devices simultaneously. |
| Features | Smart Sensor Technology | Dynamic EQ optimised | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | MEMS-directional | - | |
| Frequency Response | 100 - 6700 Hz | 100 - 10000 Hz | Poly Blackwire 3320-M offer a larger microphone frequency range than Poly Voyager Focus B825-M. |
| Sensitivity | - | -38 dB | |
| Microphones Included | 3 | - |
| REMOTE CONTROL | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| Controls | Volume, answer/end, microphone on/mute, play/pause | Mute, volume, answer/end |
|---|
| CABLE | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| Cable Type | Micro-USB charging cable | - |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| 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-M | Poly Blackwire 3320-M |
|---|
| Connector Type | - | USB (24 pin USB-C) |
|---|
| OTHERS | Poly Voyager Focus B825-M | Poly Blackwire 3320-M |
|---|
| Included Accessories | Travel pouch, BT700 Bluetooth USB adapter | - | |
|---|---|---|---|
| Compatibility | - | Mac, Windows | |
| Software Certification | Certified for Skype for Business, Certified for Microsoft Teams | Certified for Microsoft Teams | |
| Supported Host Device OS | - | Windows 10, macOS |
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