Compare Sennheiser CX 400BT vs Bang & Olufsen Beoplay E8 Sport
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5.1
Construction
Battery | Capacity
60 mAh per earbud
Cable
1.25 m USB-A to USB-C cable
Colors
Anthracite + Oxygen Blue, Black, or Oxygen Blue
Drivers
Sennheiser 7mm dynamic driver
Electrodynamic, 5.7 mm diameter
Form Factor
True wireless, in-ear headphones
Headphone Type
In-ear, closed
Material
Aluminum + Polymer + Silicone
Microphone
4x beamforming microphones
Dimensions
Size | Depth
21 mm
Size | Height
25 mm
Size | Width
23 mm
Weight
2x 6g (earbud) + 37g (charging case)
6.4 g
Function
Bluetooth Codecs
SBC, AAC, aptX
SBC, AAC codec, Aptx classic
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
20 minutes gives approximately 1½ hour playback
Noise Cancellation
No
Weather Resistance
IP57
Wireless Charging
Qi
Performance
Battery Life
7 h with earbuds, 20 h with charging case
Up to 7 hours / 30 hours with charging case
Charging Time
1.5 h
2.5 hours
Frequency Response
5 Hz - 21 kHz
20Hz ~ 20kHz
Impedance
16 ohms
Microphone Frequency Response
100 Hz - 10 kHz
Sensitivity
107dB ±3dB
Production
Availability
2020-09-15
Debut
2020-09-01
2020
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