Detailed comparison and review of Razer Kaira and Poly Voyager Focus B825-M. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Product Type | Headset - 2.4/5 GHz - wireless | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | - | 7 cm | |
| Width | - | 18.3 cm | |
| Depth | - | 16 cm | |
| Weight | 293 g | 155 g | Poly Voyager Focus B825-M are lighter than Razer Kaira headphones. |
| Colour | - | Black | |
| Earpad Material | FlowKnit memory foam | - | |
| Recommended Use | Game console, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager Focus B825-M have a greater operating distance than Razer Kaira. |
| SOUND QUALITY | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | 2.4/5 GHz radio frequency | 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 | |
| Noise Isolating | Yes | - | Razer Kaira are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Sound Effects | Windows Sonic surround sound | - | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 108 dB | - | |
| Impedance | 32 Ohm | - | |
| Diaphragm | 50 mm | 32 mm | Razer Kaira 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. |
| Magnet Material | Razer Triforce titanium | - | |
| Features | - | Smart Sensor Technology |
| MICROPHONE | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Type | Boom | Boom | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional (HyperClear flexible cardioid) | MEMS-directional | |
| Frequency Response | 100 - 10000 Hz | 100 - 6700 Hz | Razer Kaira offer a larger microphone frequency range than Poly Voyager Focus B825-M. |
| Sensitivity | -54 dB | - | |
| Signal-To-Noise Ratio | 60 dB | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Controls | Volume, power on/off, microphone on/mute switch, status indicator, pair mode, game/chat balance | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Cable Type | - | Micro-USB charging cable |
|---|
| FEATURES | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Features | Xbox Wireless technology | - |
|---|
| BATTERY AND CHARGING | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable | |
|---|---|---|---|
| Battery Capacity | - | 325 mAh | |
| Battery Life | 15 hour(s) | 15 hour(s) | Both headphones last the same amount of time on a single charge. |
| 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) |
| OTHERS | Razer Kaira | Poly Voyager Focus B825-M |
|---|
| Included Accessories | - | Travel pouch, BT700 Bluetooth USB adapter | |
|---|---|---|---|
| Software Certification | - | Certified for Skype for Business, Certified for Microsoft Teams | |
| Service & Support | Limited warranty - 2 years | - |
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