Compare DALI IO-4 vs Sennheiser HD 820
Variants
HD 820
HDV 820
Connectivity
Ports
3.5mm + USB-C
[Input] 6.35 mm + 4.4 mm + XLR-4 | [Output] XLR, RCA, Coax, Optical, USB-B
Wireless Connectivity
Bluetooth 5.0
Construction
Cable
3 m
Colors
Army Green, Chalk White, Iron Black, Caramel White
Drivers
50 mm free edge paper fibre cone
Form Factor
Over-ear headphones, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Material
Closed back circumaural (over ear)
Speakers
Dynamic, closed
Dimensions
Weight
320 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
Noise Cancellation
No
Weather Resistance
IP53
Performance
Battery Life
60 h
Charging Time
2.5 h
Frequency Response
10Hz - 20kHz
103 dB at 1 kHz, 1V
Impedance
25 ohms (Via 3.5mm)
300 ohms
Max Sound Level
100 dB
103 dB at 1 kHz, 1V SPL
Sensitivity
200 mV rms / 175 mV rms
Production
Debut
2019-10
Made In
Germany
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