Compare DALI IO-4 vs Sony WH-1000XM4 vs Sony WF-XB700
Connectivity
Ports
3.5mm + USB-C
Gold-plated L-shaped stereo mini plug
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0, NFC
Bluetooth
Construction
Cable
Single-sided (detachable)
Colors
Army Green, Chalk White, Iron Black, Caramel White
Drivers
50 mm free edge paper fibre cone
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
Form Factor
Over-ear headphones, wireless headphones
In-ear
Headphone Type
Closed headphones, Dynamic headphones
Dynamic, closed
Magnet
Neodymium
Neodymium
Material
Closed back circumaural (over ear)
Dimensions
Weight
320 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
SBC, AAC, LDAC
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
Noise Cancellation
No
Weather Resistance
IP53
IPX4
Performance
Battery Life
60 h
30 h (NC on) / 38 h (NC off)
9h + 9h from case
Charging Time
2.5 h
Frequency Response
10Hz - 20kHz
Wired: 4 Hz-40,000 Hz | Bluetooth: 20 Hz–20,000 Hz (44.1 kHz Sampling)/20 Hz–40,000 Hz (LDAC 96 kHz Sampling, 990 kbps)
Impedance
25 ohms (Via 3.5mm)
Max Sound Level
100 dB
Sensitivity
200 mV rms / 175 mV rms
105 dB / mW (1 kHz)
Production
Availability
2020 Summer
Debut
2019-10
2020-08-06
2020-05-07
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