In depth comparison and review of V7 HA520-2EP and Poly Voyager Focus B825-M. 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 | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | 18.8 cm | 7 cm | |
| Width | 6.8 cm | 18.3 cm | |
| Depth | 14.8 cm | 16 cm | |
| Weight | 163.5 g | 155 g | Poly Voyager Focus B825-M are lighter than V7 HA520-2EP headphones. |
| Colour | Black | Black | |
| Recommended Use | - | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.1 | |
| Active Noise Cancelling | - | Yes | Poly Voyager Focus B825-M are equipped with active noice cancellation. |
| Active Noise Cancelling Technology | - | SoundGuard | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 110 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 40 mm | 32 mm | V7 HA520-2EP 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 | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Cable Type | Headphones cable - 1.8 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 1.8 m | - |
| BATTERY AND CHARGING | V7 HA520-2EP | Poly Voyager Focus B825-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 | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | V7 HA520-2EP | Poly Voyager Focus B825-M |
|---|
| Included Accessories | - | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, Certified for Microsoft Teams | |
| Compliant Standards | FCC, RoHS | - | |
| Service & Support | Limited warranty - 2 years | - |
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