Compare DALI IO-4 vs Panasonic M500B
Connectivity
Ports
3.5mm + USB-C
3.5mm, USB-C
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0
Wireless Range
10 m
Construction
Cable
1.2 m detechable
Colors
Army Green, Chalk White, Iron Black, Caramel White
Black, White
Drivers
50 mm free edge paper fibre cone
40 mm
Form Factor
Over-ear headphones, wireless headphones
Over-ear wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Closed headphones, Dynamic headphones
Magnet
Neodymium
Material
Closed back circumaural (over ear)
Dimensions
Weight
320 g
316 g
Function
Audio
Base Reactor
Bluetooth Codecs
AAC, aptX, aptX HD
SBC, AAC
Bluetooth Profiles
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 1.5 hours
Noise Cancellation
No
No
Weather Resistance
IP53
Performance
Battery Life
60 h
30 h
Charging Time
2.5 h
4 h
Frequency Response
10Hz - 20kHz
20Hz - 20kHz
Impedance
25 ohms (Via 3.5mm)
27 ohms
Max Sound Level
100 dB
Sensitivity
200 mV rms / 175 mV rms
100 dB / mW
Production
Debut
2019-10
2020 CES
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