In depth comparison and review of Poly Voyager Focus UC B825S-M and Cooler Master CH321. 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 | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Product Type | Headset - Bluetooth - wireless | Headset - wired - USB | |
|---|---|---|---|
| Height | - | 22 cm | |
| Width | - | 20 cm | |
| Depth | - | 10.5 cm | |
| Weight | 155 g | 348 g | Poly Voyager Focus UC B825S-M are lighter than Poly Voyager Focus UC B825S-M headphones. |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Recommended Use | Portable electronics, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | 45 m | - |
| SOUND QUALITY | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP) | - | |
| Active Noise Cancelling | Yes | - | Poly Voyager Focus UC B825S-M are equipped with active noice cancellation. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | - | 20 - 20000 Hz | |
| Max Input Power | - | 180 mW | |
| Sensitivity | - | 115 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | - | 50 mm | |
| Magnet Material | - | Neodymium |
| MICROPHONE | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Form Factor | - | Headset microphone | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Mono | Omni-directional | |
| Frequency Response | - | 100 - 16000 Hz | |
| Audio Input Details | - | Omni-directional - 100 - 16000 Hz | |
| Sensitivity | - | -38 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| REMOTE CONTROL | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Controls | Volume | - |
|---|
| CABLE | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Cable Type | Charging cable | - | |
|---|---|---|---|
| Cable Length | - | 2.3 m |
| FEATURES | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Additional Functions | DSP | RGB lighting |
|---|
| BATTERY AND CHARGING | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Battery Type | Headset battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 15 hour(s) | - |
| CONNECTIONS | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Connector Type | Bluetooth | Headset (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager Focus UC B825S-M | Cooler Master CH321 |
|---|
| Included Accessories | Carrying case, Bluetooth USB adapter, charging stand | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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