Compare Sennheiser CX True Wireless vs Huawei FreeBuds 4i vs Sennheiser MOMENTUM True Wireless 2
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 5.2
Bluetooth 5.1
Construction
Battery | Capacity
2x 60 mAh (each earbud) + 400 mAh (charging case)
55 mAh Earbud + 215 mAh Charging Case
Colors
Red, Ceramic White, Carbon Black
Drivers
TrueResponse Transducer Sennheiser 7mm dynamic driver
10 mm dynamic
Headphone Type
In-ear, closed
In-ear
In-ear, closed acoustics
Microphone
2 mic beamforming arrays (4 mics in total)
Yes
Speakers
Sennheiser 7mm dynamic driver
Dimensions
Size | Depth
23.9 mm
Size | Height
37.5 mm
Size | Width
21 mm
Weight
2x 6g (earbud) + 37g (charging case)
5.5 g
6 g
Function
Bluetooth Codecs
SBC, AAC, aptX
SBC, AAC, aptX
Bluetooth Profiles
A2DP, AVRCP, HFP
A2DP, AVRCP, HSP, HFP
Fast Charging
15 min for 1 h playtime
10 minutes for 4 hours of playback
Noise Cancellation
Passive
Active
Single-Mic ANC per earbud side
Sensor
Wear detection sensor
Performance
Battery Life
9 h with earbuds, 27 h with charging case
7.5h ANC off / 10h ANC off / 22h w/ charging case
7 h / 28 h with charging case
Charging Time
1.5 h
1.5 h for full charge / 10 min for 1.5 h playtime
Frequency Response
5 Hz - 21 kHz
5 Hz - 21 kHz
Microphone Frequency Response
100 Hz - 10 kHz
100 Hz - 10 kHz
Production
Availability
2021-07-08
2020-04
Debut
2021-06-28
2021
2020-03
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