Compare DALI IO-6 vs DALI IO-4 vs OnePlus Bullets Wireless Z
Connectivity
Ports
3.5mm + USB-C
3.5mm + USB-C
USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Bluetooth 5.0
Wireless Range
10 m (33 ft)
Construction
Buttons
Quick Switch, volume, skip track, phone calls, voice assistant
Carrying Case
Travel case
Colors
Army Green, Chalk White, Iron Black, Caramel White
Army Green, Chalk White, Iron Black, Caramel White
Black / Blue
Drivers
50 mm free edge paper fibre cone
50 mm free edge paper fibre cone
9.2mm dynamic driver
Form Factor
Over-ear headphones, wireless headphones
Over-ear headphones, wireless headphones
Wireless Headphones, In-ear
Headphone Type
Closed headphones, Dynamic headphones
Closed headphones, Dynamic headphones
Material
Closed back circumaural (over ear)
Closed back circumaural (over ear)
Dimensions
Weight
325 g
320 g
28 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
AAC, aptX, aptX HD
Fast Charging
10 minutes charge for 10 hours of audio
Noise Cancellation
Yes
No
Weather Resistance
IP53
IP53
IP55
Performance
Battery Life
60 h
60 h
Up to 20 hours
Charging Time
2.5 h
2.5 h
Frequency Response
10Hz - 20kHz
10Hz - 20kHz
Impedance
25 ohms Via 3.5mm
25 ohms (Via 3.5mm)
Max Sound Level
100 dB
100 dB
Sensitivity
200 mV rms / 175 mV rms
200 mV rms / 175 mV rms
Production
Accessory
Flight adapter included
Debut
2019-10
2019-10
2020-04
Model Name
E501A
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