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Both bought at the same time new by me and rarely used. Amazing studio headphones, and sound amazing with the amp! no smoking, so smoke free environment. only selling as a combo.
This is an ambitious ask: at US$282, it sits well above the recent comparable median of US$180 and even above the US$209 75th percentile, so I’d want extra justification before paying full price. Against this market, it’s not a fair-market bargain; it’s priced for a cleaner, more complete, or especially desirable example.
That said, the K712 Pro is still a respected open-back: spacious presentation, easy comfort, and a tuning many listeners like for long sessions and detail-focused listening. If the pads, headband, cable, and drivers are all in genuinely good shape, the upside is in getting a well-known headphone with good ergonomics and a strong used following—but at this number, condition and included accessories matter a lot.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
AKG traces its roots to post-war Vienna, Austria, where physicist Dr. Rudolf Görike and engineer Ernst Pless founded Akustische und Kino-Geräte Gesellschaft m.b.H. in 1947. Emerging from the ruins of World War II, the duo initially supplied cinemas with loudspeakers, film projectors, and light meters, handcrafting products in a modest basement with just five employees. Rapid expansion followed, as AKG ventured into car horns, intercoms, and carbon microphone capsules, quickly gaining traction with radio stations, theaters, and jazz clubs across Europe.
The brand's product focus sharpened on professional audio excellence, pioneering headphones in 1949 and achieving global acclaim with the D12 microphone in 1953, which set standards for voice transmission. AKG became renowned for high-fidelity microphones, including iconic models like the C12 tube mic, alongside headphones, wireless systems, and phonograph cartridges. While early diversification included cinema gear, the company honed in on studio-grade transducers and monitoring tools, later incorporating digital wireless tech.
Today, under Harman International (a Samsung subsidiary since 2017), AKG holds a commanding position as a pro-audio powerhouse, favored by engineers, performers, and broadcasters for its precision and reliability. It bridges mid-tier accessibility with high-end heritage, appealing to discerning hi-fi buyers seeking reference-quality headphones and mics that deliver uncolored, transparent sound— a legacy of Austrian engineering that remains a studio staple worldwide.
See all AKG listings on RADAR.
