JVC HA S31M vs. Razer Opus

Headphones Comparison, Reviews and Tests

In depth comparison and review of JVC HA S31M 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

JVC HA S31M vs. Razer Opus Comparison Chart
DESIGN AND DIMENSIONS JVC HA S31M Razer Opus
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Weight 140 g 265 g JVC HA S31M are lighter than JVC HA S31M headphones.
Colour - Black
Earpad Material - Memory foam, nylon, protein-leather, plush
Headband Material - Leatherette
Recommended Use Portable electronics Portable electronics
SOUND QUALITY JVC HA S31M Razer Opus
Headphones Form Factor On-ear Full size
Headphones Technology - Dynamic
Ear Cups Type - Closed
Adjustable Headband - Yes
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
Sound Output Mode - Stereo
Frequency Response 10 - 26000 Hz 20 - 20000 Hz JVC HA S31M offer a larger frequency range than Razer Opus.
Sensitivity - 105 dB/mW
Impedance 32 Ohm 12 Ohm
Diaphragm - 40 mm
Magnet Material Neodymium -
Features - Quick Attention function
In-Cord Volume Control Yes -
MICROPHONE JVC HA S31M Razer Opus
Form Factor - Built-in
Microphone Operation Mode - Omni-directional
Frequency Response - 100 - 10000 Hz
Sensitivity - -38 dBV/Pascal
Microphones Included - 2
REMOTE CONTROL JVC HA S31M Razer Opus
Controls 4-button remote Power on/off, volume control, multiple function button, ANC/ambient
CABLE JVC HA S31M Razer Opus
Cable Type Headphones cable - single-sided - L shaped - 1.2 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 1.2 m -
Detachable Cable - Yes
Plated Connector Gold -
BATTERY AND CHARGING JVC HA S31M Razer Opus
Battery Type - Headphone battery rechargeable
Battery Life - 25 hour(s)
CONNECTIONS JVC HA S31M 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 JVC HA S31M Razer Opus
Included Accessories - Carrying case, USB-C charging cable, 3.5 mm audio cable (1.5 m)
Compatibility iPhone -
Compliant Standards - THX Certified
Service & Support - Limited warranty - 2 years
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