Huawei FreeBuds 4i vs. Sennheiser CX True Wireless

Headphones Comparison, Reviews and Tests

In depth comparison and review of Huawei FreeBuds 4i and Sennheiser CX True Wireless. 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

Huawei FreeBuds 4i vs. Sennheiser CX True Wireless Comparison Chart
DESIGN AND DIMENSIONS Huawei FreeBuds 4i Sennheiser CX True Wireless
Product Type True wireless earphones - Bluetooth - wireless True wireless earphones - Bluetooth - wireless
Height 3.75 cm -
Width 2.1 cm -
Depth 2.39 cm -
Weight 5.5 g -
Dimensions & Weight Details Charging case: 6.18 cm x 4.8 cm x 2.75 cm / 37 g Earbud: 6 g
Charging case: 5.9 cm x 4.23 cm x 3.38 cm / 37 g
Colour Carbon black | Ceramic white | Red Black | White
Protection - Splashproof, IPX4
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Huawei FreeBuds 4i Sennheiser CX True Wireless
Headphones Form Factor In-ear In-ear
Headphones Technology Dynamic Dynamic
Ear Cups Type - Closed
Connectivity Technology Wireless Wireless
Wireless Technology Bluetooth Bluetooth
Bluetooth Version Bluetooth 5.2 Bluetooth 5.2 Both headphones have the same Bluetooth version.
Bluetooth Profiles - Hands-Free Profile (HFP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP)
Bluetooth Audio Codec - SBC, AAC, aptX
Active Noise Cancelling Yes - Huawei FreeBuds 4i are equipped with active noice cancellation.
Noise Isolating - Yes Sennheiser CX True Wireless are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Sound Effects - Bass Boost
Frequency Response - 5 - 21000 Hz
Total Harmonic Distortion (THD) - <0.08%
Sensitivity - 110 dB
Impedance - 16 Ohm
Max Sound Pressure 22 dB 110 dB
Diaphragm 10 mm 7 mm Huawei FreeBuds 4i have a thicker diaphragm than Sennheiser CX True Wireless.
Simultaneously Connectable Devices Qty (Multipoint) - 1
Features Noise cancelling microphone, Awareness Mode TrueResponse technology
MICROPHONE Huawei FreeBuds 4i Sennheiser CX True Wireless
Form Factor Built-in Built-in
Frequency Response - 100 - 10000 Hz
Microphones Included 2 4 Sennheiser CX True Wireless have a built-in microphone.
REMOTE CONTROL Huawei FreeBuds 4i Sennheiser CX True Wireless
Controls Answer/end, play/pause, ANC on/off -
CABLE Huawei FreeBuds 4i Sennheiser CX True Wireless
Cable Type USB-C charge cable - detachable USB-C charge cable - detachable - 25 cm
FEATURES Huawei FreeBuds 4i Sennheiser CX True Wireless
Features Touch control, fast charge Touch control
Internet of Things (IoT) Compatible - Yes
Voice Control - Indirect
Intelligent Assistant - Siri, Google Assistant
Sensors Touch sensor -
BATTERY AND CHARGING Huawei FreeBuds 4i Sennheiser CX True Wireless
Battery Type Headphone battery rechargeable Headphone battery rechargeable - Lithium Ion
Battery Capacity 55 mAh 60 mAh Sennheiser CX True Wireless have a higher battery capacity than Huawei FreeBuds 4i.
Battery Life 10 hour(s) 9 hour(s) Huawei FreeBuds 4i lasts longer on a single charge than the Sennheiser CX True Wireless.
Battery Life Details Continuous playback: up to 10 hours
Continuous talk: up to 65 hours
Continuous playback (50% volume): up to 9 hours
Continuous playback (with included charging case): up to 27 hours
Charging Time 1 hour(s) 1.5 hour(s) Huawei FreeBuds 4i recharge faster than Huawei FreeBuds 4i.
Auto On/Off Yes -
Included Qty 2 2
OTHERS Huawei FreeBuds 4i Sennheiser CX True Wireless
Included Accessories Charging case, 3 ear tips (small, medium, large), USB-C charging cable 4 pairs of earpads (extra small, small, medium, large), charging case (400 mAh)
Compatibility Android phone -
Compliant Standards - Bluetooth Class 1
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