Sennheiser HD 820
Over-ear Circumaural Headphones with 56mm Ring Radiator Transducers, Glass Reflectors, Acoustic Absorber, and 6Hz to 48kHz Frequency Response
Description
The critics said closed headphones could never sound as immersive as their open-air counterparts. They said physics would never allow it. To that we simply said, “listen”. The HD 820 combines an innovative glass reflector and ring radiator transducer technology for a benchmark listening experience.
Features
- The new audiophile standard for closed-back headphones
- 56mm Ring Radiator dynamic transducer system
- Concave Gorilla Glass reflectors deliver impressive spatial sound reproduction
- Acoustic absorber system prevents frequency masking for unheralded detail
- Ultra-ergonomic adjustable metal headband with inner damping element
- Luxuriously comfortable microfiber ear and headband padding on key contact points
- Developed in Germany and precision-built at Sennheiser’s state-of-the-art Ireland plant
- Impedance: 300 ohms
- Frequency Response: 6 – 48,000 Hz (-10 dB)
- Total harmonic distortion: 0.02 % (1 kHz 1 Vrms)
Specifications
- Frequency response (speaker)
- 6 Hz – 48,000 Hz
- Sound pressure level (SPL)
- 103 dB (1 V)
- Impedance
- 300 Ω
- Total harmonic distortion (THD)
- < 0.02% (1 kHz, 100 dB)
- Cable length
- 3 m
- Adapter
- XLR-4, balanced, 4-pin Stereo jack plug: 1/4″ (6.35 mm), unbalanced, 3-pin 4.4 mm, balanced, 5-pin
- Transducer principle
- dynamic, open
- Weight
- 360 g
- Ear coupling
- circumaural
- Magnetic field
- 10.5 mT
- Article number (SKU)
- 507435
What’s included
- Headphones HD 820 (closed, dynamic headphones)
- connection cable: ¼” (6.35 mm) stereo jack plug (connected ex works), unbalanced
- 4.4 mm stereo jack plug, balanced
- instruction manual
- storage box
- microfiber cloth




