Sony WI-1000X vs. KEF Mu3

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sony WI-1000X and KEF Mu3. 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

Sony WI-1000X vs. KEF Mu3 Comparison Chart
DESIGN AND DIMENSIONS Sony WI-1000X KEF Mu3
Product Type Earphones - Bluetooth - wireless - NFC True wireless earphones - Bluetooth - wireless
Weight 71 g -
Dimensions & Weight Details - Earbud: 1.75 cm x 2.63 cm x 2.45 cm / 5.8 g
Charging case: 6.2 cm x 5.2 cm x 3.35 cm / 46.8 g
Colour Black | Gold Silver grey
Protection - Splashproof
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) 10 m 10 m The maximum operating distance of both headphones is the same.
High-Resolution Audio Yes -
SOUND QUALITY Sony WI-1000X KEF Mu3
Headphones Form Factor In-ear - neckband In-ear
Headphones Technology Balanced armature / dynamic -
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 4.1 Bluetooth 5.0 KEF Mu3 have a more advanced version of Bluetooth than Sony WI-1000X.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) -
Bluetooth Audio Codec SBC, AAC, aptX, aptX HD, LDAC SBC, AAC
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Active Noise Cancelling Technology Digital Noise Cancelling technology (DNC) -
Sound Output Mode Stereo Stereo
Sound Effects Digital Sound Enhancement Engine HX (DSEE HX), S-Master HX -
Frequency Response 3 - 40000 Hz 20 - 20000 Hz Sony WI-1000X offer a larger frequency range than KEF Mu3.
Max Input Power - 5 mW
Sensitivity 101 dB/mW 104 dB/mW KEF Mu3 have higher sensitivity than Sony WI-1000X.
Impedance 22 Ohm 16 Ohm
Diaphragm 9 mm 8.2 mm Sony WI-1000X have a thicker diaphragm than KEF Mu3.
MICROPHONE Sony WI-1000X KEF Mu3
Form Factor Built-in Built-in
Microphone Technology Electret condenser -
Microphone Operation Mode Omni-directional -
Frequency Response 50 - 8000 Hz -
REMOTE CONTROL Sony WI-1000X KEF Mu3
Controls Volume, noise-cancellation suspend button Multiple function button
CABLE Sony WI-1000X KEF Mu3
Cable Type Headphones cable - detachable - OFC - L shaped - 1 m
Micro-USB cable - 50 cm
-
Cable Length 1 m -
Detachable Cable Yes -
Plated Connector Gold -
FEATURES Sony WI-1000X KEF Mu3
Features Vibrating call alert -
Intelligent Assistant Google Assistant -
BATTERY AND CHARGING Sony WI-1000X KEF Mu3
Battery Type Headphone battery rechargeable Headphone battery rechargeable - Lithium Ion
Battery Capacity - 50 mAh
Battery Life 13 hour(s) 9 hour(s) Sony WI-1000X lasts longer on a single charge than the KEF Mu3.
Battery Life Details Continuous playback (noise cancelling ON): up to 10 hours
Continuous playback (noise cancelling OFF): up to 13 hours
Standby (noise cancelling ON): up to 17 hours
Standby (noise cancelling OFF): up to 100 hours
Continuous playback (noise cancelling ON): up to 9 hours
Continuous playback (with included charging case): up to 24 hours
Standby Time 100 hours -
Charging Time 3.5 hour(s) -
Included Qty - 2
WIRELESS LINK Sony WI-1000X KEF Mu3
Radio Frequency Range 2.4 - 2.4835GHz -
CONNECTIONS Sony WI-1000X KEF Mu3
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole)
USB (power only) (5 pin Micro-USB Type B)
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OTHERS Sony WI-1000X KEF Mu3
Included Accessories Carrying pouch, airplane adapter, 4 pairs of hybrid earbuds (SS/S/M/L sizes), 3 pairs of Triple-Comfort Earbuds 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh)
Compatibility iPhone, iPod, Android phone -
Compliant Standards - IPX5
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