RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Sennheiser HD820 Headphones - Over/On Ear Sennheiser HD 820 Closed Back Audiophile Headphones! As new in box. Purchased mid 2022 locally in Melb, they have sat in their box with barely 10 hours use. Come in the original dress box with their standard long cable and unopened manual. Please send me a message if you would like a shipping quote or to discuss these beauties! Condition: As New / Mint Payment Method: EFT/COD Region/State: (VIC) Victoria/Australia By SonicArt 0 Comments AUD $1,500 Date: November 18, 20241 yr
This A$1,500 asking price for a new Sennheiser HD 820 is a strong deal, sitting well below the 25th percentile (A$1,313–A$1,808 range) of recent AUD used listings and undercutting the current new retail price of A$1,999. Even compared to the median used price of A$1,738, you are saving A$238 while getting a pristine, unused unit.
The HD 820 remains a top-tier closed-back audiophile headphone, celebrated for its Ring Radiator drivers and glass reflector technology that deliver exceptional clarity and isolation without the bass bloat common in closed designs. Its wide frequency response (up to 43.8 kHz) and premium build make it a rare find at this price, especially in new condition with original cables and box. With no known failure points specific to this model and a clean listing, this is a clear buying opportunity for enthusiasts seeking flagship performance without the flagship cost.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Founded in June 1945 by Dr. Fritz Sennheiser in a farmhouse near Hanover, Germany, Sennheiser began as Laboratorium Wennebostel, producing voltmeters and early microphones amid post-World War II reconstruction. Seven engineers from the University of Hannover joined the founder, quickly pivoting to broadcast microphones like the DM 2 in 1946 and the groundbreaking MD 82 shotgun mic in 1956. Renamed Sennheiser electronic in 1958, the family-owned company passed to second- and third-generation leadership, maintaining its innovative spirit over eight decades.
Sennheiser excels in professional and consumer audio, renowned for microphones, wireless systems, and headphones that set industry standards. Pioneers of the first open-back headphones (HD 414 in 1968) and enduring studio icons like the MD 421 and MD 441, they also produce high-end headphones, earbuds, soundbars, and conferencing solutions. While strong in pro audio like mixers and geophysical gear, their consumer focus centers on headphones and wireless tech rather than amplifiers, speakers, turntables, DACs, or cables.
Sennheiser commands a premium position in the hi-fi market, blending mid-tier accessibility with high-end excellence for discerning buyers and professionals. Trusted for reliability and sonic precision, it appeals to audiophiles seeking reference-grade headphones without boutique obscurity, backed by a heritage of technological firsts that sustains its global leadership.
See all Sennheiser listings on RADAR.
