Sennheiser HD 820 portable Speakers Coaxially mounted drivers empower a

Coaxially mounted drivers empower a highly-directed sound for a larger “sweet spot” and wide dispersion area

Because sound matters

allowing for a truly immersive audio experience

Open earcups facilitate the natural expansion of sound waves

Bluetooth Audio input compatible with the item ‎Auxiliary Speaker amplification type ‎Active Speaker connectivity ‎Wi-Fi Wattage ‎200 Watts Batteries Included ‎Yes Batteries Required ‎Yes Battery cell composition ‎Lithium Ion Does it contain liquid

Sennheiser HD 820 portable Speakers Coaxially mounted drivers empower aThe new audiophile standard 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 Concave Gorilla Glass reflectors deliver impressive spatial sound