In depth comparison and review of August EP650 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 | August EP650 | Cooler Master CH321 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Height | 17.66 cm | 22 cm | |
| Width | 18.86 cm | 20 cm | |
| Depth | 7.1 cm | 10.5 cm | |
| Weight | 235 g | 348 g | August EP650 are lighter than August EP650 headphones. |
| Colour | Gold | - | |
| Body Material | - | Plastic, steel | |
| Earpad Material | - | Foam, polyurethane leather | |
| Recommended Use | Portable electronics, computer | Game console, computer | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | August EP650 | Cooler Master CH321 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Foldable | Yes | - | August EP650 can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 20000 Hz | 20 - 20000 Hz | Cooler Master CH321 offer a larger frequency range than August EP650. |
| Max Input Power | - | 180 mW | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 115 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 50 mm | 50 mm | Both headphones are designed with same thick diaphragm. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Magnet Material | - | Neodymium | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | August EP650 | Cooler Master CH321 |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 16000 Hz | |
| Audio Input Details | - | Omni-directional - 100 - 16000 Hz | |
| Sensitivity | - | -38 dB | |
| Signal-To-Noise Ratio | - | 50 dB |
| CABLE | August EP650 | Cooler Master CH321 |
|---|
| Cable Type | Headphones cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 2.3 m |
| FEATURES | August EP650 | Cooler Master CH321 |
|---|
| Additional Functions | - | RGB lighting |
|---|
| BATTERY AND CHARGING | August EP650 | Cooler Master CH321 |
|---|
| Battery Type | Headphone battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | August EP650 | Cooler Master CH321 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | Headset (4 PIN USB Type A) |
|---|
| OTHERS | August EP650 | Cooler Master CH321 |
|---|
| Included Accessories | USB charging cable | - | |
|---|---|---|---|
| Service & Support | Limited warranty - 1 year | Limited warranty - 2 years |
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