Sennheiser CX 400BT vs. Soundcore Life Note 3i

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Sennheiser CX 400BT and Soundcore Life Note 3i. 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 CX 400BT vs. Soundcore Life Note 3i Comparison Chart
DESIGN AND DIMENSIONS Sennheiser CX 400BT Soundcore Life Note 3i
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Dimensions & Weight Details Earbud: 6 g
Charging case: 37 g
Charging case: 2.9 cm x 6.26 cm x 4.9 cm / 40.9 g
Earbud: 1.9 cm x 1.5 cm x 3.1 cm / 4.9 g
Charging case with earphones: 50.8 g
Colour White | Black Black
Protection - Splashproof, sweat-resistant, rainproof, IPX5
Recommended Use Portable electronics Portable electronics
Bluetooth Range (Operating Distance) - 10 m
SOUND QUALITY Sennheiser CX 400BT Soundcore Life Note 3i
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic -
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.1 Bluetooth 5.2 Soundcore Life Note 3i have a more advanced version of Bluetooth than Sennheiser CX 400BT.
Bluetooth Profiles Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec SBC, AAC, aptX SBC, AAC
Active Noise Cancelling - Yes Soundcore Life Note 3i are equipped with active noice cancellation.
Active Noise Cancelling Technology - Hybrid ANC
Sound Output Mode Stereo Stereo
Frequency Response 5 - 21000 Hz 20 - 20000 Hz Sennheiser CX 400BT offer a larger frequency range than Soundcore Life Note 3i.
Total Harmonic Distortion (THD) 0.08% -
Impedance - 16 Ohm
Max Sound Pressure 107 dB -
Diaphragm 7 mm 10 mm Soundcore Life Note 3i have a thicker diaphragm than Sennheiser CX 400BT.
MICROPHONE Sennheiser CX 400BT Soundcore Life Note 3i
Form Factor Built-in Built-in
Noise Cancelling - Yes Soundcore Life Note 3i microphone can cancel out ambient noise.
Microphones Included - 4
REMOTE CONTROL Sennheiser CX 400BT Soundcore Life Note 3i
Controls Volume control, answer/end, play/pause, next/previous track, reject call, pair mode, voice assistant, equaliser preset -
CABLE Sennheiser CX 400BT Soundcore Life Note 3i
Cable Type USB-C to USB-A cable - detachable - straight - 25 cm USB-C charge cable - detachable
FEATURES Sennheiser CX 400BT Soundcore Life Note 3i
Features Voice alerts, touch control Transparent Hearing mode
Intelligent Assistant Siri, Google Assistant -
BATTERY AND CHARGING Sennheiser CX 400BT Soundcore Life Note 3i
Battery Type Headphone battery rechargeable - Lithium Ion Headphone battery rechargeable - lithium polymer
Battery Capacity 55 mAh -
Battery Life 7 hour(s) 9 hour(s) Soundcore Life Note 3i lasts longer on a single charge than the Sennheiser CX 400BT.
Battery Life Details Continuous playback (50% volume): up to 7 hours
Continuous playback (with included charging case): up to 20 hours
Continuous playback: up to 9 hours
Continuous playback (with included charging case): up to 36 hours
Continuous playback (noise cancelling ON): up to 6 hours
Continuous playback (noise cancelling ON / with included charging case): up to 20 hours
Charging Time 1.5 hour(s) 1.5 hour(s) The charging of both headphones last the same time.
Included Qty 2 -
WIRELESS LINK Sennheiser CX 400BT Soundcore Life Note 3i
Radio Transmitter Power 10 mW -
OTHERS Sennheiser CX 400BT Soundcore Life Note 3i
Included Accessories 4 pairs of earpads (extra small, small, medium, large), charging case (420 mAh) 3 pairs of ear tips (small, medium, large), charging case, USB-C charging cable
Compliant Standards Bluetooth Class 1, Directive 2006/66/EC, WEEE 2012/19/EU, Directive 2013/56/EU IPX5
Service & Support - Limited warranty - 18 months
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