Easy to use and affordable acoustic foam for your own sound studio or rehearsal room. The foam is certified fire retardant and very easy to apply to wall or ceiling by using spray-glue and a sharp knife to make it fit to your needs. Available in three versions: ASM-01 5 cm Pyramid foam in black, ASM-02 5 cm Pyramid foam in white or the massive ASM-03 10 cm Pyramid foam in black.