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Sennheiser HD 820

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Brand, Model and Release Date

Information about the brand, model release date.

ModelHD 820
Release Date2018
Amazon Rating

General Specifications

Type, design and features.

Headphone TypeOver-ear (circumaural)
Earcup DesignClosed-back
Noise OptionsNone
Transducer TechnologyDynamic
Cable Length~3 m
~9.84 ft
~387.5 in
Detachable CableYes
Battery Life-
Battery Quick Charge-
Water ProtectionNo
Driver Diameter56 mm
Inputs6.35 mm, 4.4 mm, XLR-4 (optional)

Technical Specs

Tech specifications of the headphones.

Frequency Response [Hz]12 - 43800 Hz (-3 dB), 6 - 48000 Hz (-10 dB)
Impedance [Ohms]300
Maximum Input Power [mW]0.5
Maximum SPL103
Driver Diameter56 mm

Product Dimensions and Weight

Headphone dimensions and weight.

Length~7.6 in
~193.04 mm
~19.3 cm
Width~7.6 in
~193.04 mm
~19.3 cm
Height~4.4 in
~111.76 mm
~11.18 cm
Weight~0.8 lb
~362.87 g
~0.36 kg

Packaging Info

Package dimensions and weight.

Shipping Length~13.4 in
~340.36 mm
~34.04 cm
Shipping Width~11.4 in
~289.56 mm
~28.96 cm
Shipping Height~5.1 in
~129.54 mm
~12.95 cm
Shipping Weight~8.38 lb
~3801.1 g
~3.8 kg

Colors and Accessories

List of available colors and optional accessories.

  • Black
Replacable EarpadsYes
What's in the Box
  • Sennheiser HD 820 headphones
  • connection cable: ¼” (6.35 mm) stereo jack plug, unbalanced
  • 4.4 mm stereo jack plug, balanced
  • USB flash drive (SD-U16L version) with instruction manual (as PDF file)
  • Instruction manual
  • Storage box
  • Microfiber cloth

Price and Warranty

Satisfaction is (not) guaranteed.

Warranty2 Years
Manufacturer URL

Related Comparisons

Differences between Sennheiser HD 820 and other speakers

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