Compare Panasonic M500B 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
10 m (33 ft)
Construction
Buttons
Quick Switch, volume, skip track, phone calls, voice assistant
Cable
1.2 m detechable
Colors
Black, White
Army Green, Chalk White, Iron Black, Caramel White
Black / Blue
Drivers
40 mm
50 mm free edge paper fibre cone
9.2mm dynamic driver
Form Factor
Over-ear wireless headphones
Over-ear headphones, wireless headphones
Wireless Headphones, In-ear
Headphone Type
Closed headphones, Dynamic headphones
Closed headphones, Dynamic headphones
Magnet
Neodymium
Material
Closed back circumaural (over ear)
Dimensions
Weight
316 g
320 g
28 g
Function
Audio
Base Reactor
Bluetooth Codecs
SBC, AAC
AAC, aptX, aptX HD
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 1.5 hours
10 minutes charge for 10 hours of audio
Noise Cancellation
No
No
Weather Resistance
IP53
IP55
Performance
Battery Life
30 h
60 h
Up to 20 hours
Charging Time
4 h
2.5 h
Frequency Response
20Hz - 20kHz
10Hz - 20kHz
Impedance
27 ohms
25 ohms (Via 3.5mm)
Max Sound Level
100 dB
Sensitivity
100 dB / mW
200 mV rms / 175 mV rms
Production
Debut
2020 CES
2019-10
2020-04
Model Name
E501A
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