Sennheiser HD 1 In-Ear Wireless vs. KEF Mu3

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser HD 1 In-Ear Wireless and KEF Mu3. 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 1 In-Ear Wireless vs. KEF Mu3 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 1 In-Ear Wireless KEF Mu3
Product Type Earphones - Bluetooth - wireless - NFC True wireless earphones - Bluetooth - wireless
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 - Silver grey
Protection - Splashproof
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Sennheiser HD 1 In-Ear Wireless 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 Sennheiser HD 1 In-Ear Wireless.
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
Active Noise Cancelling - Yes KEF Mu3 are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 15 - 22000 Hz 20 - 20000 Hz Sennheiser HD 1 In-Ear Wireless offer a larger frequency range than KEF Mu3.
Max Input Power - 5 mW
Total Harmonic Distortion (THD) <0.5% -
Sensitivity - 104 dB/mW
Impedance - 16 Ohm
Max Sound Pressure 112 dB -
Diaphragm - 8.2 mm
MICROPHONE Sennheiser HD 1 In-Ear Wireless KEF Mu3
Form Factor - Built-in
Type On-cable -
Microphone Operation Mode Omni-directional -
Sensitivity -44 dBV/Pascal -
REMOTE CONTROL Sennheiser HD 1 In-Ear Wireless KEF Mu3
Controls - Multiple function button
CABLE Sennheiser HD 1 In-Ear Wireless KEF Mu3
Cable Type USB charge cable -
BATTERY AND CHARGING Sennheiser HD 1 In-Ear Wireless KEF Mu3
Battery Type Headphone battery rechargeable - lithium polymer Headphone battery rechargeable - Lithium Ion
Battery Capacity 170 mAh 50 mAh Sennheiser HD 1 In-Ear Wireless have a higher battery capacity than KEF Mu3.
Battery Life 10 hour(s) 9 hour(s) Sennheiser HD 1 In-Ear Wireless lasts longer on a single charge than the KEF Mu3.
Battery Life Details - Continuous playback (noise cancelling ON): up to 9 hours
Continuous playback (with included charging case): up to 24 hours
Charging Time 1.5 hour(s) -
Included Qty - 2
OTHERS Sennheiser HD 1 In-Ear Wireless KEF Mu3
Included Accessories Carrying case, 4 pairs of earpads (extra small, small, medium, large) 4 pairs of silicone ear tips, USB-C charging cable, charging case (350 mAh)
Compliant Standards - IPX5
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