Compare Bowers Wilkins PI7 vs Sennheiser MOMENTUM True Wireless 2 vs Razer Hammerhead True Wireless Pro
Connectivity
Ports
USB-C
USB-C
USB-C
Wireless Connectivity
Bluetooth
Bluetooth 5.1
Bluetooth 5.1
Construction
Cable
20cm USB-C cable
Carrying Case
Yes
Colors
White, Charcoal
Drivers
9.2mm Dynamic Drive + Balanced Armature
10mm
Form Factor
In-Ear, True Wireless Headphones, Earbuds
In-ear
Headphone Type
Dynamic headphones
In-ear, closed acoustics
Microphone
4x mics for ANC + 2x mics for telephony
Speakers
Sennheiser 7mm dynamic driver
Dimensions
Weight
8 g
6 g
5 g
Function
Bluetooth Codecs
AptX Adaptive, aptX HD, aptX Low Latency, aptX Classic, AAC, SBC
SBC, AAC, aptX
SBC, AAC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
A2DP, AVRCP, HSP, HFP
Fast Charging
2hrs with 15min charge
Microphone Pickup Pattern
Omnidirectional
Noise Cancellation
Yes
Single-Mic ANC per earbud side
Performance
Battery Life
4hrs Bluetooth with ANC
7 h / 28 h with charging case
4h per charge, up to 20h total
Charging Time
1.5 h for full charge / 10 min for 1.5 h playtime
Frequency Response
10Hz ~ 20kHz
5 Hz - 21 kHz
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
2020-04
Debut
2021-04
2020-03
2020-12-03
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