Vibro-acoustic insulating module device (100; 200; 300; 400), comprising: six mass elements (101; 201; 301; 401) respectively adjacent, juxtaposed and near to each other but not realized in a single piece and there is discontinuity of material between mass elements (101; 201; 301; 401) adjacent to each other, wherein gaps are present between said mass elements (101; 201; 301; 401) so that said six mass elements (101; 201; 301; 401) are not joined, wherein said mass elements (101; 201; 301; 401) have a substantially pyramid-shape or substantially truncated pyramid-shape or substantially cone-shape or substantially truncated cone-shape, defining a substantially cubic or parallelepiped structure of said module device (100; 200; 300; 400), said mass elements (101; 202; 301; 401) being preferably alike; at least twelve stiffness elements (102; 202; 302; 402) configured for mechanically interconnecting said six mass elements (101; 201; 301; 401) in said module device (100; 200; 300; 400); wherein each mass element (101; 201; 301; 401) among said six mass elements (101; 201; 301; 401) comprises at least four anchor elements (103; 203; 303; 403) for respective at least four stiffness elements (102; 202; 302; 402) among said at least twelve stiffness elements (102; 202; 302; 402); and wherein each of said at least four stiffness elements (102; 202; 302; 402) respectively connects said each mass element (101; 201; 301; 401) to four mass elements (101; 201; 301; 401) of said six mass elements (101; 201; 301; 401), said four mass elements (101; 201; 301; 401) being adjacent to said each mass element (101; 201; 301; 401). six mass elements (101; 201; 301; 401) respectively adjacent, juxtaposed and near to each other but not realized in a single piece and there is discontinuity of material between mass elements (101; 201; 301; 401) adjacent to each other, wherein gaps are present between said mass elements (101; 201; 301; 401) so that said six mass elements (101; 201; 301; 401) are not joined, wherein said mass elements (101; 201; 301; 401) have a substantially pyramid-shape or substantially truncated pyramid-shape or substantially cone-shape or substantially truncated cone-shape, defining a substantially cubic or parallelepiped structure of said module device (100; 200; 300; 400), said mass elements (101; 202; 301; 401) being preferably alike; at least twelve stiffness elements (102; 202; 302; 402) configured for mechanically interconnecting said six mass elements (101; 201; 301; 401) in said module device (100; 200; 300; 400); wherein each mass element (101; 201; 301; 401) among said six mass elements (101; 201; 301; 401) comprises at least four anchor elements (103; 203; 303; 403) for respective at least four stiffness elements (102; 202; 302; 402) among said at least twelve stiffness elements (102; 202; 302; 402); and wherein each of said at least four stiffness elements (102; 202; 302; 402) respectively connects said each mass element (101; 201; 301; 401) to four mass elements (101; 201; 301; 401) of said six mass elements (101; 201; 301; 401), said four mass elements (101; 201; 301; 401) being adjacent to said each mass element (101; 201; 301; 401). <EOS>