August EP650B vs. Cooler Master CH331

Headphones Comparison, Reviews and Tests

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.

Headphones Specifications Comparison

August EP650B vs. Cooler Master CH331 Comparison Chart
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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