At CES 2018, Heiser today announced its latest headset within the 800s HD series, the HD 820 headset, which is considered as the alternative closed from the back to the 800 s headset, a standard of insulation was added between the music and the surroundings of the user, while the original 800 s was called h by entering some external voices, so the company designed the new alternative by closing the voice circuit around your ear which is very difficult, it would make things difficult for the handset design and threaten the purity of its voice by creating an unwanted echo.
Axel Gril, head of the company's speaker engineers, speaking of the latest products, Heiser said that HD 820 provides an exceptional voice with the listener's insulation from the surrounding environment. him, and he considered it the most transparent of the world's closed-head headphones, and speaking of transparency, Gril explained that these headphones The new regenerates the music just as it was recorded, without putting any effects or anything that ruins its clarity and purity.
Among the small changes introduced by Heiser on the HD 820 headset are the handset glasses that are placed on the new ear, manufactured with a mixture of artificial leather and tissues, to help isolate the listener from the outside world, as the company also relies on a balanced conductor of 4.4 mm pentaconn, which has been Promoted by Sony as a futuristic audio socket for speaker makers, which is a bit larger than the traditional 3.5 mm audio jacks, but provides a balanced voice for minimal distortion.
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