August EP650B vs. Cooler Master CH321

Headphones Comparison, Reviews and Tests

Side by side comparison and review of August EP650B and Cooler Master CH321. 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.

Headphones Specifications Comparison

August EP650B vs. Cooler Master CH321 Comparison Chart
DESIGN AND DIMENSIONS August EP650B Cooler Master CH321
Product Type Headphones - Bluetooth - wireless - NFC - USB, 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 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 CH321
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 CH321 offer a larger frequency range than August EP650B.
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 EP650B 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 EP650B Cooler Master CH321
Cable Type Headphones cable - detachable -
Cable Length - 2.3 m
FEATURES August EP650B Cooler Master CH321
Additional Functions - RGB lighting
BATTERY AND CHARGING August EP650B Cooler Master CH321
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 CH321
Connector Type Headphones (mini-phone stereo 3.5 mm)
USB
Headset (4 PIN USB Type A)
OTHERS August EP650B Cooler Master CH321
Compatibility iPhone, iPad, iPod, Android phone -
Service & Support - Limited warranty - 2 years
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