Compare Sennheiser CX 400BT vs Bowers & Wilkins PI5 vs Razer Hammerhead True Wireless Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.1
Bluetooth
Bluetooth 5.1
Construction
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Drivers
Sennheiser 7mm dynamic driver
9.2mm Dynamic Drive with Balanced Armature
10mm
Form Factor
In-Ear, True Wireless Headphones, Earbuds
In-ear
Headphone Type
In-ear, closed
Dynamic headphones
Microphone
2x mics for ANC + 2x mics for telephony
Dimensions
Weight
2x 6g (earbud) + 37g (charging case)
8 g
5 g
Function
Bluetooth Codecs
SBC, AAC, aptX
AptX, AAC, SBC
SBC, AAC
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
2hrs with 15min charge
Microphone Pickup Pattern
Omnidirectional
Noise Cancellation
Yes
Performance
Battery Life
7 h with earbuds, 20 h with charging case
4hrs Bluetooth with ANC
4h per charge, up to 20h total
Charging Time
1.5 h
Frequency Response
5 Hz - 21 kHz
10Hz ~ 20kHz
20Hz - 20kHz
Impedance
16 ohms
Microphone Frequency Response
100 Hz - 10 kHz
100Hz - 10kHz
Microphone Sensitivity
-42 dB
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Availability
2020-09-15
Debut
2020-09-01
2021-04
2020-12-03
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