August EP650 vs. Razer Opus

Headphones Comparison, Reviews and Tests

In depth comparison and review of August EP650 and Razer Opus. 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.

Headphones Specifications Comparison

August EP650 vs. Razer Opus Comparison Chart
DESIGN AND DIMENSIONS August EP650 Razer Opus
Product Type Headphones - Bluetooth - wireless - NFC - 3.5 mm jack Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Height 17.66 cm -
Width 18.86 cm -
Depth 7.1 cm -
Weight 235 g 265 g August EP650 are lighter than August EP650 headphones.
Colour Gold Black
Earpad Material - Memory foam, nylon, protein-leather, plush
Headband Material - Leatherette
Recommended Use Portable electronics, computer Portable electronics
Bluetooth Range (Operating Distance) 10 m -
SOUND QUALITY August EP650 Razer Opus
Headphones Form Factor Full size Full size
Headphones Technology - Dynamic
Ear Cups Type - Closed
Adjustable Headband - Yes
Foldable Yes - August EP650 can be folded.
Connectivity Technology Wireless Wireless, wired
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.1 Bluetooth 4.2 Razer Opus have a more advanced version of Bluetooth than August EP650.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC, aptX
Active Noise Cancelling - Yes Razer Opus are equipped with active noice cancellation.
Active Noise Cancelling Technology - Advanced ANC
Sound Output Mode Stereo Stereo
Frequency Response 60 - 20000 Hz 20 - 20000 Hz Razer Opus offer a larger frequency range than August EP650.
Total Harmonic Distortion (THD) 1% -
Sensitivity - 105 dB/mW
Impedance - 12 Ohm
Diaphragm 50 mm 40 mm August EP650 have a thicker diaphragm than Razer Opus.
Signal-To-Noise Ratio 85 dB -
Features Bluetooth aptX technology Quick Attention function
MICROPHONE August EP650 Razer Opus
Form Factor Built-in Built-in
Microphone Operation Mode - Omni-directional
Frequency Response - 100 - 10000 Hz
Sensitivity - -38 dBV/Pascal
Microphones Included - 2
REMOTE CONTROL August EP650 Razer Opus
Controls - Power on/off, volume control, multiple function button, ANC/ambient
CABLE August EP650 Razer Opus
Cable Type Headphones cable - detachable USB-C cable - detachable - 30 cm
Audio cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.5 m
USB-A to USB-C adapter - detachable
Airplane connection adapter - detachable
Detachable Cable - Yes
BATTERY AND CHARGING August EP650 Razer Opus
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable
Battery Capacity 220 mAh -
Battery Life 10 hour(s) 25 hour(s) Razer Opus lasts longer on a single charge than the August EP650.
Standby Time 720 hours -
Charging Time 2 hour(s) -
CONNECTIONS August EP650 Razer Opus
Connector Type Headphones (mini-phone stereo 3.5 mm) Audio input (mini-phone stereo 3.5 mm)
USB (24 pin USB-C)
OTHERS August EP650 Razer Opus
Included Accessories USB charging cable Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m)
Compliant Standards - THX Certified
Service & Support Limited warranty - 1 year Limited warranty - 2 years
Other projects: