The 4-in-1 Stacking Isolation Blocks is first of its kind as a sound tuning device built with innovative ideas. They can be used in a variety of combinations for supporting virtually all equipments of one’s set up. It is comprised of sets of stand-alone graphite base and alloy base blocks, and they are enhanced with flexibility of packing blocks of different materials together in a stacking manner. In conjunction with 3 types of beads provided (2 sets of natural crystal and 1 set of stainless steel beads), there will be 12 combinations in gearing to one's personal preference in music enjoyment.