Compare DALI IO-4 vs Sennheiser PXC 550-II
Connectivity
Ports
3.5mm + USB-C
Micro-USB
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5
Construction
Colors
Army Green, Chalk White, Iron Black, Caramel White
Drivers
50 mm free edge paper fibre cone
Dynamic, 32mm
Form Factor
Over-ear headphones, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Dynamic headphones
Material
Closed back circumaural (over ear)
Microphone
MEMS
Dimensions
Size | Depth
63 mm
Size | Height
174 mm
Size | Width
136 mm
Weight
320 g
227 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
SBC, aptX, aptX Low Latency, AAC
Noise Cancellation
No
Weather Resistance
IP53
Performance
Battery Life
60 h
20 h (ANC + A2DP) / 30 h (ANC + wired)
Charging Time
2.5 h
Frequency Response
10Hz - 20kHz
17Hz - 23kHz
Impedance
25 ohms (Via 3.5mm)
Active: 490 ohms / Passive: 46 ohms
Max Sound Level
100 dB
Microphone Frequency Response
50Hz - 10kHz
Sensitivity
200 mV rms / 175 mV rms
110 dBSPL
Production
Debut
2019-10
2019 IFA
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