diffusore gallo acoustics nucleus micro singolo100Watts 89db There are several speakers capable of playing decently, but most of them are bulky and not easy to place in modern environments. What makes the Nucleus Micro a different and innovative product is its minimal design, its small size and the wide range of colors. Combined with a Gallo MPC1 (passive) or MPS150 (active) subwoofer and thanks to the available accessories, Nucleus Micro can be easily inserted into domestic environments,