Detailed comparison and review of August EP650B and Cooler Master CH331. 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 | August EP650B | Cooler Master CH331 |
|---|
| Product Type | Headphones - Bluetooth - wireless - NFC - USB, 3.5 mm jack | Headset - wired - USB | |
|---|---|---|---|
| Height | 17.66 cm | 21.01 cm | |
| Width | 18.86 cm | 9.63 cm | |
| Depth | 7.1 cm | 17.94 cm | |
| Weight | 235 g | 371.2 g | August EP650B are lighter than August EP650B headphones. |
| 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 EP650B | Cooler Master CH331 |
|---|
| Headphones Form Factor | Full size | Full size | |
|---|---|---|---|
| Foldable | Yes | - | August EP650B can be folded. |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 4.1 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 60 - 20000 Hz | 20 - 20000 Hz | Cooler Master CH331 offer a larger frequency range than August EP650B. |
| Max Input Power | - | 30 mW | |
| Total Harmonic Distortion (THD) | 1% | - | |
| Sensitivity | - | 103 dB | |
| Impedance | - | 16 Ohm | |
| Diaphragm | 50 mm | 50 mm | Both headphones are designed with same thick diaphragm. |
| Signal-To-Noise Ratio | 85 dB | - | |
| Features | Bluetooth aptX technology | - |
| MICROPHONE | August EP650B | Cooler Master CH331 |
|---|
| Form Factor | Built-in | Headset microphone | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 100 - 8000 Hz | |
| Audio Input Details | - | Omni-directional - 100 - 8000 Hz | |
| Sensitivity | - | -40 dB | |
| Signal-To-Noise Ratio | - | 58 dB |
| CABLE | August EP650B | Cooler Master CH331 |
|---|
| Cable Type | Headphones cable - detachable | - | |
|---|---|---|---|
| Cable Length | - | 2.2 m |
| FEATURES | August EP650B | Cooler Master CH331 |
|---|
| Additional Functions | - | RGB lighting |
|---|
| BATTERY AND CHARGING | August EP650B | Cooler Master CH331 |
|---|
| Battery Type | Headphone battery rechargeable - Lithium Ion | - | |
|---|---|---|---|
| Battery Capacity | 220 mAh | - | |
| Battery Life | 10 hour(s) | - | |
| Standby Time | 720 hours | - | |
| Charging Time | 2 hour(s) | - |
| CONNECTIONS | August EP650B | Cooler Master CH331 |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) USB |
Headset (4 PIN USB Type A) |
|---|
| OTHERS | August EP650B | Cooler Master CH331 |
|---|
| Compatibility | iPhone, iPad, iPod, Android phone | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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