Sony WF-1000X vs. KEF Mu3

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sony WF-1000X and KEF Mu3. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sony WF-1000X vs. KEF Mu3 Comparison Chart
DESIGN AND DIMENSIONS Sony WF-1000X KEF Mu3
Product Type True wireless earphones - Bluetooth - wireless - NFC True wireless earphones - Bluetooth - wireless
Height 4.26 cm -
Width 10.3 cm -
Depth 2.45 cm -
Weight 6.8 g -
Dimensions & Weight Details Charging case: 10.3 cm x 4.26 cm x 2.45 cm / 70 g
Headphones: 6.8 g
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 Gold | Black 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.
SOUND QUALITY Sony WF-1000X KEF Mu3
Headphones Form Factor In-ear In-ear
Headphones Technology 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 WF-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 SBC, AAC
Active Noise Cancelling Yes Yes Both headphones are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 20 - 20000 Hz 20 - 20000 Hz Both headphones offer the same frequency response.
Max Input Power - 5 mW
Sensitivity - 104 dB/mW
Impedance - 16 Ohm
Diaphragm 6 mm 8.2 mm KEF Mu3 have a thicker diaphragm than Sony WF-1000X.
Magnet Material Neodymium -
MICROPHONE Sony WF-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 WF-1000X KEF Mu3
Controls Noise-cancellation suspend button Multiple function button
CABLE Sony WF-1000X KEF Mu3
Cable Type USB cable -
BATTERY AND CHARGING Sony WF-1000X KEF Mu3
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable - Lithium Ion
Battery Capacity - 50 mAh
Battery Life 3 hour(s) 9 hour(s) KEF Mu3 lasts longer on a single charge than the Sony WF-1000X.
Battery Life Details Continuous playback (noise cancelling ON): up to 3 hours
Continuous playback (noise cancelling OFF): up to 3 hours
Standby (noise cancelling ON): up to 8 hours
Standby (noise cancelling OFF): up to 35 hours
Continuous playback (noise cancelling ON): up to 9 hours
Continuous playback (with included charging case): up to 24 hours
Standby Time 35 hours -
Charging Time 1.5 hour(s) -
Included Qty - 2
WIRELESS LINK Sony WF-1000X KEF Mu3
Radio Frequency Range 2.4 - 2.4835GHz -
OTHERS Sony WF-1000X KEF Mu3
Included Accessories Charging case, 4 pairs of long hybrid silicone rubber earbuds (SS, S, M, L), 2 pairs of Fitting Supporters, 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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