Sennheiser HD 400S vs. Razer Opus

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser HD 400S and Razer Opus. 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

Sennheiser HD 400S vs. Razer Opus Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 400S Razer Opus
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Weight 217 g 265 g Sennheiser HD 400S are lighter than Sennheiser HD 400S headphones.
Colour Black Black
Earpad Material - Memory foam, nylon, protein-leather, plush
Headband Material - Leatherette
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Sennheiser HD 400S Razer Opus
Headphones Form Factor Full size Full size
Headphones Technology Dynamic Dynamic
Ear Cups Type Closed Closed
Adjustable Headband - Yes
Foldable Yes - Sennheiser HD 400S can be folded.
Connectivity Technology Wired Wireless, wired
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.2
Bluetooth Profiles - 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
Noise Isolating Yes - Sennheiser HD 400S are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 20000 Hz 20 - 20000 Hz Sennheiser HD 400S offer a larger frequency range than Razer Opus.
Total Harmonic Distortion (THD) 0.5% -
Sensitivity - 105 dB/mW
Impedance 18 Ohm 12 Ohm
Max Sound Pressure 120 dB -
Diaphragm - 40 mm
Features - Quick Attention function
MICROPHONE Sennheiser HD 400S Razer Opus
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode - Omni-directional
Frequency Response 100 - 10000 Hz 100 - 10000 Hz The frequency response of the microphones in both headphones is the same.
Sensitivity - -38 dBV/Pascal
Microphones Included - 2
REMOTE CONTROL Sennheiser HD 400S Razer Opus
Controls Answer/end, play/pause, next/previous track Power on/off, volume control, multiple function button, ANC/ambient
CABLE Sennheiser HD 400S Razer Opus
Cable Type Headphones cable - detachable - L shaped / mini-phone stereo 3.5 mm - 1.4 m 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
Cable Length 1.4 m -
Detachable Cable Yes Yes
BATTERY AND CHARGING Sennheiser HD 400S Razer Opus
Battery Type - Headphone battery rechargeable
Battery Life - 25 hour(s)
CONNECTIONS Sennheiser HD 400S 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 Sennheiser HD 400S Razer Opus
Included Accessories - Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m)
Compliant Standards - THX Certified
Service & Support Limited warranty - 2 years Limited warranty - 2 years
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