Compare Sennheiser HD 450BT vs Sony WH-1000XM4 vs Sennheiser HD 820
Variants
HD 820
HDV 820
Connectivity
Ports
USB-C
Gold-plated L-shaped stereo mini plug
[Input] 6.35 mm + 4.4 mm + XLR-4 | [Output] XLR, RCA, Coax, Optical, USB-B
Wireless Connectivity
Bluetooth 5.0
Bluetooth 5.0, NFC
Construction
Battery | Capacity
600 mAh
Cable
Single-sided (detachable)
3 m
Colors
Black, White
Drivers
1.57 ", dome type (CCAW Voice coil), Aluminum coated LCP
Form Factor
Wireless headphones, over-ear headphones
Headphone Type
Dynamic headphones, Closed headphones
Magnet
Neodymium
Microphone
MEMS
Speakers
Dynamic, closed
Dimensions
Weight
238 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
SBC, AAC, LDAC
Bluetooth Profiles
A2DP, AVRCP, HFP, HSP
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes
Performance
Battery Life
30 hours music playback via Bluetooth with ANC activated
30 h (NC on) / 38 h (NC off)
Charging Time
2 h
Frequency Response
18Hz to 22kHz (-10 dB)
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)
103 dB at 1 kHz, 1V
Impedance
300 ohms
Max Sound Level
108 dB (1 kHz/0 dBFS)
103 dB at 1 kHz, 1V SPL
Microphone Frequency Response
80 Hz to 6000 Hz (-3 dB)
Sensitivity
105 dB / mW (1 kHz)
Production
Availability
2020 Summer
Debut
2020 CES
2020-08-06
Made In
Germany
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