Compare Apple AirPods Max vs Sennheiser HD 450BT vs Sennheiser HD 820
Variants
Smart Case
HD 820
HDV 820
Connectivity
Ports
USB-C
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
Battery | Capacity
600 mAh
Cable
3 m
Carrying Case
Smart Case
Colors
Silver, Space Gray, Sky Blue, Pink, Green
Black, White
Drivers
40mm Apple-designed dynamic driver with dual neodymium ring magnet
Form Factor
Over-ear wireless headphones
Wireless headphones, over-ear headphones
Headphone Type
Dynamic
Dynamic headphones, Closed headphones
Microphone
9x microphones: 8x for ANC, 3x for voice pickup
MEMS
Speakers
Dynamic, closed
Dimensions
Size | Depth
3.28 inches / 83.4 mm
Size | Height
7.37 inches / 187.3 mm
Size | Width
6.64 inches / 168.6 mm
Weight
13.6 ounces / 384.8 grams
238 g
Function
Bluetooth Codecs
SBC, AAC, AptX, AptX Low Latency
Fast Charging
5 min for 1.5 hours of listening time
Microphone Pickup Pattern
Dual Beamforming
Noise Cancellation
Yes, with transparency mode
Yes
Processor
Apple H1 headphone chip (each ear cup)
Sensor
Both ear cups: Optical sensor, Position sensor, Case-detect sensor, Accelerometer / Left ear cup: Gyroscope
Performance
Battery Life
Up to 20 hours
30 hours music playback via Bluetooth with ANC activated
Charging Time
2 h
Frequency Response
18Hz to 22kHz (-10 dB)
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)
Production
Availability
2020-12-15
Debut
2020-12-08
2020 CES
Made In
Germany
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