Compare Bowers & Wilkins PI4 vs DALI IO-6 vs Bowers & Wilkins PX7
Connectivity
Ports
USB-C
3.5mm + USB-C
3.5mm stereo jack + USB-C
Wireless Connectivity
Bluetooth, USB-C
Bluetooth 5.0
Bluetooth
Construction
Cable
20cm USB-A to USB-C cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
Carrying Case
Travel case
Yes
Colors
Black, Gold, Silver
Army Green, Chalk White, Iron Black, Caramel White
Space Grey, Silver, Carbon
Drivers
14.2mm full range
50 mm free edge paper fibre cone
43.6mm full range
Form Factor
In-Ear, Neckband Wireless Headphones, Earbuds
Over-ear headphones, wireless headphones
Wireless Headphones, Over-Ear
Headphone Type
Dynamic headphones
Closed headphones, Dynamic headphones
Dynamic headphones
Material
Closed back circumaural (over ear)
Microphone
2x mics for ANC + 2x mics for telephony
4x mics for ANC + 2x mics for telephony
Dimensions
Weight
40 g
325 g
310 g
Function
Bluetooth Codecs
AptX-Adaptive, aptX-HD, aptX-Classic, AAC, SBC
AAC, aptX, aptX HD
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Fast Charging
3hrs with 15min charge
5hrs with 15min charge
Noise Cancellation
Yes
Yes
Yes
Weather Resistance
IP53
Performance
Battery Life
10hrs Bluetooth with ANC (12hrs w/o)
60 h
30 hrs Bluetooth with ANC
Charging Time
2.5 h
Frequency Response
10Hz ~ 30kHz
10Hz - 20kHz
10Hz ~ 30kHz
Impedance
25 ohms Via 3.5mm
20k Ohms
Max Sound Level
100 dB
Sensitivity
200 mV rms / 175 mV rms
Total Harmonic Distortion
0.3% (1kHz/10mW)
0.3% (1kHz/10mW)
Production
Accessory
Ear Tips: S / M / L
Flight adapter included
Debut
2019-10
2019-10
2019-10
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