Sony MDR-RF811RK
- Location
- Nürnberg (Mittelfr), DE
- Source
- Kleinanzeigen
- Posted
- 10 May 2026
- Last seen
- 5h ago
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Hi,
Ich biete hier die Sony MDR-RF811RK kabellosen Kopfhörer zum Verkauf an.
Das Stereo Kopfhörer System ist in neuwertigem Zustand, die Kopfhörer wurden nur ein paar Mal getragen.
OVP, Anleitung sowie sämtliches Zubehör liegt bei.
Tierfreier Nichtraucherhaushalt.
Dies ist ein Privatverkauf. Garantie, Rücknahme oder Umtausch sind daher ausgeschlossen.
Compared to wired over-ears like Sennheiser HD 558s at this €60 mark, the Sony MDR-RF811RK's wireless RF convenience stands out for TV and home listening. At €60 for unknown condition, it's a fair ask—typical used pairs in good shape go for €50-80 EUR on European markets, dipping lower if batteries are shot.
Inspect the transmitter unit and its power adapter, as RF signal dropouts plague worn sets; test range beyond 10m for real 100m claims. Verify 13-hour battery holds up—replacements aren't cheap—and ensure the self-adjusting headband isn't cracked. Original charging cradle should be included; skip if missing.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Sony emerged from the ruins of post-World War II Japan, founded on May 7, 1946, by Masaru Ibuka and Akio Morita as Tokyo Tsushin Kogyo K.K. in Tokyo's Nihonbashi district. Starting with radio repairs and Japan's first magnetic tape recorder, the duo secured transistor licensing from Bell Labs, pioneering the TR-55 transistor radio in 1955. Renamed Sony Corporation in 1958—from the Latin "sonus" for sound—the brand symbolized Japan's ascent from cheap imitations to innovative leadership, fueled by Ibuka's engineering prowess and Morita's global marketing vision.
Sony's hi-fi legacy spans headphones, amplifiers, speakers, turntables, and DACs, alongside landmark formats like the Compact Disc in 1982 and Blu-ray. Iconic products include the Walkman for portable audio revolution and Trinitron televisions, blending consumer accessibility with cutting-edge tech. Today, offerings like the Signature Series headphones and ES amplifiers target discerning listeners seeking refined soundstaging and dynamic range.
Positioned as a mid-to-high-end powerhouse, Sony commands respect among knowledgeable buyers for blending mass-market reliability with premium performance, outpacing many pure audiophile brands in innovation and value. Far from vintage relic or niche boutique, it dominates with forward-thinking engineering, holding strong market share in headphones and streaming ecosystems.
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