The Pro iRack is a rack made specially for iFi-Audio's Pro Series line of DAC and AMPS. It is designed to be modular so as users can add and stack each components together. The Pro iRack is made of high quality materials that improves the performance of iFi's Pro Series line. This is because it is made from resonance-dampened magnesium-aluminum alloy which help create micro vibration control and an invisible sonic signature to cut vibration and reverb. The pillars are constructed from natural marble and boasts slim stainless steel supports.