Detail 01
Closed dynamic transducer principle
The headphones use a closed, dynamic design with glass covers that send rear sound waves to an absorber.
Product detailSKU #1500000251732
SennheiserHD 820 Over-Ear Headphones
1/3
Independent shopping perspective
The Korena take
Built for focused, high-resolution listening, the HD 820 combines a closed dynamic design with glass-covered Ring Radiator transducers. Their concave glass directs rear transducer energy toward an absorber to reduce resonance, while the around-ear microfiber pads attenuate ambient sound. A damped metal headband and handcrafted pads address long listening sessions with a substantial, detail-led design. The supplied connection options include 6.35 mm and balanced 4.4 mm plugs on a 3 m cable.
Strong match
Who this is for
- Focused home listening where closed around-ear construction and attenuation of surrounding noise matter.
- Headphone systems using a 6.35 mm or balanced 4.4 mm headphone connection.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
300 ohms impedance
Their rated impedance is 300 ohms.
Detail 03
3 m cable with 6.35 mm and 4.4 mm plugs
Provides reach for a listening setup and two stated connection formats.
Detail 04
360 g weight
The headphone weight is 360 g.
Final check
Know before you order
- 01Confirm that your headphone system accepts either a 6.35 mm or 4.4 mm plug.
- 02The HDV 820 dynamic-headphone amplifier is identified as a companion option.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Are the HD 820 headphones closed-back?
They use a closed, dynamic transducer design.
02Which plugs are provided?
The listed plugs are 6.35 mm and 4.4 mm.
03How long is the cable?
The cable length is 3 m.
04What is the headphone impedance?
The HD 820 is rated at 300 ohms.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
2 detailsSound
- Frequency Response
- 12Hz–43.8kHz (-3dB), 6Hz–48kHz (-10dB)
- Impedance
- 300 ohms
1 detailsBody & build
- Color
- Black
1 detailsConnections & power
- Jack Plug
- 6.35 mm/4.4 mm
2 detailsSize & weight
- Cable Length
- 3 m
- Weight
- 360
3 detailsOther
- Ear Coupling
- around the ear
- Sound Pressure Level
- 103dB at 1 kHz, 1V
- Transducer Principle
- dynamic, closed
