Side by side comparison and review of Cooler Master CH331 and Poly Voyager Focus B825-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 | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Product Type | Headset - wired - USB | Headset - Bluetooth - wireless - USB-A via Bluetooth adapter | |
|---|---|---|---|
| Height | 21.01 cm | 7 cm | |
| Width | 9.63 cm | 18.3 cm | |
| Depth | 17.94 cm | 16 cm | |
| Weight | 371.2 g | 155 g | Poly Voyager Focus B825-M are lighter than Cooler Master CH331 headphones. |
| Colour | - | Black | |
| Body Material | Plastic, steel | - | |
| Earpad Material | Foam, polyurethane leather | - | |
| Recommended Use | Game console, computer | Portable electronics, computer | |
| Bluetooth Range (Operating Distance) | - | 30 m |
| SOUND QUALITY | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| 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. |
| Max Input Power | 30 mW | - | |
| Sensitivity | 103 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 50 mm | 32 mm | Cooler Master CH331 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 | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Omni-directional | MEMS-directional | |
| Frequency Response | 100 - 8000 Hz | 100 - 6700 Hz | Cooler Master CH331 offer a larger microphone frequency range than Poly Voyager Focus B825-M. |
| Audio Input Details | Omni-directional - 100 - 8000 Hz | - | |
| Sensitivity | -40 dB | - | |
| Signal-To-Noise Ratio | 58 dB | - | |
| Microphones Included | - | 3 |
| REMOTE CONTROL | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Controls | - | Volume, answer/end, microphone on/mute, play/pause |
|---|
| CABLE | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Cable Type | - | Micro-USB charging cable | |
|---|---|---|---|
| Cable Length | 2.2 m | - |
| FEATURES | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Additional Functions | RGB lighting | - |
|---|
| BATTERY AND CHARGING | Cooler Master CH331 | 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 | Cooler Master CH331 | Poly Voyager Focus B825-M |
|---|
| Connector Type | Headset (4 PIN USB Type A) | - |
|---|
| OTHERS | Cooler Master CH331 | 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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