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At $129 for a used K7XX, you're looking at a solid entry point for open-back reference headphones, though the price depends heavily on condition and age. These typically trade hands in the $120–$180 range used, so this sits near the lower end—fair if the unit is clean and functional, potentially a steal if it's recent stock. The K7XX has held value reasonably well in the used market, partly because Massdrop's tuning (notably the 3dB bass boost over the original K701/K702) makes it more versatile than pure reference monitors, appealing to both studio work and casual listening.
Before committing, verify the headband and earpads are intact; memory foam degrades over time and replacements run $20–$40. Confirm the detachable cable (9.8 feet, 3.5mm jack) is included and undamaged—it's the weak point on these. Ask the seller how long they owned it and whether it's been stored properly; the genuine leather headband can crack if left in extreme heat or cold. Since condition is listed as unknown, request photos of the ear cups, headband, and cable connector. These are built to last years if maintained, but a unit that's been abused or sat unused for years may have stiff joints or pad deterioration that isn't obvious in listing photos.
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.
