KEF Porsche Design Space One vs. JVC HA S31BT

Headphones Comparison, Reviews and Tests

In depth comparison and review of KEF Porsche Design Space One and JVC HA S31BT. 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

KEF Porsche Design Space One vs. JVC HA S31BT Comparison Chart
DESIGN AND DIMENSIONS KEF Porsche Design Space One JVC HA S31BT
Product Type Headphones - Bluetooth - wireless, wired - 3.5 mm jack Headphones - Bluetooth - wireless
Height 8.2 cm -
Width 19.5 cm -
Depth 17 cm -
Weight 330 g 158 g JVC HA S31BT are lighter than KEF Porsche Design Space One headphones.
Colour Titanium -
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY KEF Porsche Design Space One JVC HA S31BT
Headphones Form Factor Full size On-ear
Foldable - Yes JVC HA S31BT can be folded.
Connectivity Technology Wireless, wired Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.1 Bluetooth 4.1 Both headphones have the same Bluetooth version.
Bluetooth Profiles - Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC
Active Noise Cancelling Yes - KEF Porsche Design Space One are equipped with active noice cancellation.
Sound Output Mode Stereo -
Sound Effects - Dynamic Bass Boost (DBB)
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Max Input Power 12 mW -
Sensitivity 94 dB -
Impedance 16 Ohm 32 Ohm
Diaphragm 40 mm 30.7 mm KEF Porsche Design Space One have a thicker diaphragm than JVC HA S31BT.
Magnet Material Neodymium Ferrite
Features Voice control, Bluetooth aptX technology -
MICROPHONE KEF Porsche Design Space One JVC HA S31BT
Form Factor Built-in Built-in
REMOTE CONTROL KEF Porsche Design Space One JVC HA S31BT
Controls - 4-button remote
CABLE KEF Porsche Design Space One JVC HA S31BT
Cable Type Headphones cable - detachable USB charge cable - detachable
Detachable Cable Yes -
BATTERY AND CHARGING KEF Porsche Design Space One JVC HA S31BT
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable
Battery Capacity 850 mAh -
Battery Life 110 hour(s) 17 hour(s) KEF Porsche Design Space One lasts longer on a single charge than the JVC HA S31BT.
Charging Time - 3 hour(s)
CONNECTIONS KEF Porsche Design Space One JVC HA S31BT
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) USB (power only) (micro-USB)
Other projects: