One set of six Ansuz Acoustics Darkz Aluminium audio resonance control tuning feet in a good condition. Mechanically tuned resonance controls consist of three discs separating two sets of three titanium balls. The Darkz are efficient devices to ground all components in a High End audio system. They are mechanically tuned to allow the vibrations a path out of the component and to keep varies components isolates individually. The sonically improvement is undeniably and addictive. Retail price for the set of six feet is 1.320 euro. The original boxes are included. Check our other listings for more interesting items. Free shipping worldwide!