Sennheiser HD 820
ID: #692905
Description
The HD 820 is the closed-back answer to the HD 800S — and the answer took Sennheiser a long time to get right, because the problem is genuinely hard. Closing the back of a reference headphone traps rear wave energy from the driver, and that energy reflects back and colors everything. Sennheiser's solution is a concave Gorilla Glass reflector mounted directly behind the 56mm ring radiator driver that redirects rear waves into an absorber before they can resonate. The result is the HD 800S soundstage — wide, precise, dimensional — with the door shut. New units, display stock. The box exists. The headphones have been out of it. The buyer is the listener who has wanted the HD 800S since it launched and can't run open-backs — open office, studio work, a partner asleep across the hall. At full retail the HD 820 is a $2,200 headphone. At $1,449 it's the closed-back reference that actually makes sense to buy.
Price
$1449.00
Last Updated
10 August 2026, 01:34 UTC
Store Information
physical store
Location
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