In depth comparison and review of AKG K812 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 | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 390 g | 155 g | Poly Voyager Focus B825-M are lighter than AKG K812 headphones. |
| Colour | Black | Black | |
| Recommended Use | Professional audio | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Open | - | |
| 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 | 5 - 54000 Hz | 20 - 20000 Hz | AKG K812 offer a larger frequency range than Poly Voyager Focus B825-M. |
| Max Input Power | 300 mW | - | |
| Sensitivity | 110 dB | - | |
| Impedance | 36 Ohm | - | |
| Diaphragm | 53 mm | 32 mm | AKG K812 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 | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Type | - | Boom | |
|---|---|---|---|
| Microphone Operation Mode | - | MEMS-directional | |
| Frequency Response | - | 100 - 6700 Hz | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Cable Type | Headphones cable - detachable - 3 m | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 3 m | - | |
| Detachable Cable | Yes | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | AKG K812 | 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 | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | AKG K812 | Poly Voyager Focus B825-M |
|---|
| Included Accessories | 6.3 mm (1/4") stereo adapter | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, Certified for Microsoft Teams |
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