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crwdns2944351:0crwdnd2944351:0Teufel Airy Headphone Speaker Cable Replacement (right)crwdnd2944351:0crwdne2944351:0

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Introduction
The Airy is a pretty descentdecent set of headphones in terms of sound and functionality. However, manufacturing quality and, as you will see, reparability are sub optimalsuboptimal.
The battery pack on my first pair of Airys broke down after a few monthmonths. On the second and third pairs a speaker died. Eventually, Teufel refused to ship replacements.
Left with a dead speaker (no "on sound", no sound via cable or bluetooth) it seemed plausible that there was probably a wiring problem, which is investigated and fixed here.