Compare Sony WH-1000XM4 vs Panasonic M500B 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
Wireless Range
10 m
Construction
Cable
Single-sided (detachable)
1.2 m detechable
3 m
Colors
Black, White
Drivers
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
40 mm
Form Factor
Over-ear wireless headphones
Headphone Type
Closed headphones, Dynamic headphones
Magnet
Neodymium
Neodymium
Speakers
Dynamic, closed
Dimensions
Weight
316 g
Function
Audio
Base Reactor
Bluetooth Codecs
SBC, AAC, LDAC
SBC, AAC
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
A2DP, AVRCP, HSP, HFP
Fast Charging
15 minutes for 1.5 hours
Noise Cancellation
No
Performance
Battery Life
30 h (NC on) / 38 h (NC off)
30 h
Charging Time
4 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)
20Hz - 20kHz
103 dB at 1 kHz, 1V
Impedance
27 ohms
300 ohms
Max Sound Level
103 dB at 1 kHz, 1V SPL
Sensitivity
105 dB / mW (1 kHz)
100 dB / mW
Production
Availability
2020 Summer
Debut
2020-08-06
2020 CES
Made In
Germany
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