Compare Sony WH-1000XM4 vs DALI IO-6 vs Sennheiser HD 820
Variants
HD 820
HDV 820
Connectivity
Ports
Gold-plated L-shaped stereo mini plug
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, NFC
Bluetooth 5.0
Construction
Cable
Single-sided (detachable)
3 m
Carrying Case
Travel case
Colors
Army Green, Chalk White, Iron Black, Caramel White
Drivers
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
50 mm free edge paper fibre cone
Form Factor
Over-ear headphones, wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Magnet
Neodymium
Material
Closed back circumaural (over ear)
Speakers
Dynamic, closed
Dimensions
Weight
325 g
Function
Bluetooth Codecs
SBC, AAC, LDAC
AAC, aptX, aptX HD
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
Noise Cancellation
Yes
Weather Resistance
IP53
Performance
Battery Life
30 h (NC on) / 38 h (NC off)
60 h
Charging Time
2.5 h
Frequency Response
Wired: 4 Hz-40,000 Hz | Bluetooth: 20 Hz–20,000 Hz (44.1 kHz Sampling)/20 Hz–40,000 Hz (LDAC 96 kHz Sampling, 990 kbps)
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
105 dB / mW (1 kHz)
200 mV rms / 175 mV rms
Production
Accessory
Flight adapter included
Availability
2020 Summer
Debut
2020-08-06
2019-10
Made In
Germany
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