Side by side comparison and review of Cooler Master CH321 and Poly EncorePro 720D. 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 CH321 | Poly EncorePro 720D |
|---|
| Product Type | Headset - wired - USB | Headset - wired - USB-A | |
|---|---|---|---|
| Series | - | EncorePro 700 Series | |
| Height | 22 cm | - | |
| Width | 20 cm | - | |
| Depth | 10.5 cm | - | |
| Weight | 348 g | 78 g | Poly EncorePro 720D are lighter than Cooler Master CH321 headphones. |
| Colour | - | Black | |
| Body Material | Plastic, steel | - | |
| Earpad Material | Foam, polyurethane leather | Artificial leather | |
| Recommended Use | Game console, computer | - |
| SOUND QUALITY | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| Headphones Form Factor | Full size | On-ear binaural | |
|---|---|---|---|
| Connectivity Technology | Wired | Wired | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Max Input Power | 180 mW | - | |
| Sensitivity | 115 dB | - | |
| Impedance | 16 Ohm | - | |
| Diaphragm | 50 mm | 28 mm | Cooler Master CH321 have a thicker diaphragm than Poly EncorePro 720D. |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Omni-directional | Omni-directional | |
| Noise Cancelling | - | Yes | Poly EncorePro 720D microphone can cancel out ambient noise. |
| Noise Cancelling Technology | - | Passive noise cancellation (PNC) | |
| Frequency Response | 100 - 16000 Hz | 100 - 6800 Hz | Cooler Master CH321 offer a larger microphone frequency range than Poly EncorePro 720D. |
| Audio Input Details | Omni-directional - 100 - 16000 Hz | - | |
| Sensitivity | -38 dB | - | |
| Signal-To-Noise Ratio | 50 dB | - |
| CABLE | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| Cable Length | 2.3 m | 89 cm |
|---|
| FEATURES | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| Features | - | Quick Disconnect, 290° rotatable microphone, boom mic length 120-145 mm | |
|---|---|---|---|
| Additional Functions | RGB lighting | - |
| CONNECTIONS | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| Connector Type | Headset (4 PIN USB Type A) | USB (USB Type-A) |
|---|
| OTHERS | Cooler Master CH321 | Poly EncorePro 720D |
|---|
| TAA Compliant | - | Yes | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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