Compare DALI IO-6 vs Bowers & Wilkins PX7 vs Microsoft Surface Headphones 2+
Connectivity
Ports
3.5mm + USB-C
3.5mm stereo jack + USB-C
USB-C, 3.5mm
Wireless Connectivity
Bluetooth 5.0
Bluetooth
Bluetooth 5.0
Construction
Cable
1.2m stereo audio cable + 1.2m USB-A to USB-C cable
1.2 m Audio, 1.5 m USB
Carrying Case
Travel case
Yes
Colors
Army Green, Chalk White, Iron Black, Caramel White
Space Grey, Silver, Carbon
Matte Black
Drivers
50 mm free edge paper fibre cone
43.6mm full range
40 mm Free Edge driver
Form Factor
Over-ear headphones, wireless headphones
Wireless Headphones, Over-Ear
Over-ear, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Dynamic headphones
Material
Closed back circumaural (over ear)
Microphone
4x mics for ANC + 2x mics for telephony
Dimensions
Size | Depth
1.89" / 48 mm
Size | Length
8.03" / 204 mm
Size | Width
7.68" / 195 mm
Weight
325 g
310 g
0.64 lbs / 290 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
AptX Adaptive, aptX HD, aptX Classic, AAC, SBC
SBC, aptX
Bluetooth Profiles
A2DP v1.3.1, AVRCP v1.6.1, HFP v1.7.1, HSP v1.2, BLE GATT
Compatibility
Up to 2 simultaneous connections
Fast Charging
5hrs with 15min charge
Noise Cancellation
Yes
Yes
Up to 30 dB for active noise cancellation, Up to 40 dB for passive noise cancellation
Sensor
Wear detection sensors on earcups, Touch sensors on earcups
Weather Resistance
IP53
Performance
Battery Life
60 h
30 hrs Bluetooth with ANC
Up to 18.5 hours of music listening time or up to 15 hours of voice calling
Charging Time
2.5 h
Full charge in less than 2 hours
Frequency Response
10Hz - 20kHz
10Hz ~ 30kHz
20Hz-20KHz
Impedance
25 ohms Via 3.5mm
20k Ohms
Max Sound Level
100 dB
Up to 115 dB
Sensitivity
200 mV rms / 175 mV rms
Total Harmonic Distortion
0.3% (1kHz/10mW)
Production
Accessory
Flight adapter included
Debut
2019-10
2019-10
2021-04
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