Site Title

Compare Sennheiser CX 400BT vs Yamaha TW-E3B

Variants

Charging Case

Connectivity

Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth 5
Wireless Range
10 m / 32.8 ft

Construction

Cable
30 cm USB-A to USB-C
Carrying Case
Charging Case only
Colors
Black, Grey, Blue, Green, Pink, Purple
Drivers
Sennheiser 7mm dynamic driver
6.0 mm
Form Factor
In-ear, True-wireless earphones
Headphone Type
In-ear, closed
Dynamic headphones

Dimensions

Size | Depth
Charging Case33.8 mm
Size | Height
Charging Case42.3 mm
Size | Width
Charging Case59 mm
Weight
2x 6g (earbud) + 37g (charging case)
5.1 g / 0.18 oz

Function

Bluetooth Codecs
SBC, AAC, aptX
SBC, AAC, Qualcomm aptX
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
A2DP, AVRCP, HFP, HSP
Voice Assistance
Siri / Google Assistant
Weather Resistance
IPX5
Wireless Charging
No

Performance

Battery Life
7 h with earbuds, 20 h with charging case
24 h (Approx. 6 h + 3 recharges)
Charging Time
1.5 h
2 h
Frequency Response
5 Hz - 21 kHz
20Hz ~ 20kHz
Microphone Frequency Response
100 Hz - 10 kHz

Production

Accessory
Eartips: XS / S / M / L | Silicone Sleeves: No
Availability
2020-09-15
2021-10
Debut
2020-09-01
2021-09-28
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