Compare DALI IO-4 vs DALI IO-6 vs Sennheiser HD 820
Variants
HD 820
HDV 820
Connectivity
Ports
3.5mm + USB-C
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
Bluetooth 5.0
Construction
Cable
3 m
Carrying Case
Travel case
Colors
Army Green, Chalk White, Iron Black, Caramel White
Army Green, Chalk White, Iron Black, Caramel White
Drivers
50 mm free edge paper fibre cone
50 mm free edge paper fibre cone
Form Factor
Over-ear headphones, wireless headphones
Over-ear headphones, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Closed headphones, Dynamic headphones
Material
Closed back circumaural (over ear)
Closed back circumaural (over ear)
Speakers
Dynamic, closed
Dimensions
Weight
320 g
325 g
Function
Bluetooth Codecs
AAC, aptX, aptX HD
AAC, aptX, aptX HD
Noise Cancellation
No
Yes
Weather Resistance
IP53
IP53
Performance
Battery Life
60 h
60 h
Charging Time
2.5 h
2.5 h
Frequency Response
10Hz - 20kHz
10Hz - 20kHz
103 dB at 1 kHz, 1V
Impedance
25 ohms (Via 3.5mm)
25 ohms Via 3.5mm
300 ohms
Max Sound Level
100 dB
100 dB
103 dB at 1 kHz, 1V SPL
Sensitivity
200 mV rms / 175 mV rms
200 mV rms / 175 mV rms
Production
Accessory
Flight adapter included
Debut
2019-10
2019-10
Made In
Germany
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