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Amazing DAC, I just don’t have enough time to kick back and listen to cds like I used to. There is a very small marking on the top of the unit, bottom right (can see in second photo). Other than that it is mint condition.
This US$2,000 asking price is ambitious, sitting well above the median of US$1,269 and the 75th percentile of US$1,376 from your recent comparable listings. At US$2,000, the unit costs roughly 57% more than the typical market median, making it a tough buy unless the condition is pristine and the listing includes rare accessories or original packaging.
The HDV 820 remains a reference-class DAC/amplifier known for its ultra-low THD (<0.001%), >115 dB dynamic range, and versatile inputs including USB, optical, and balanced XLR. It excels with high-impedance headphones and supports DSD256 playback, offering genuine sonic upside for serious listeners. However, given the elevated price, verify the unit is original-owner, fully functional, and includes all cables and the power supply before committing.
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.
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