ASTON HALO SHADOW is the “black” version of the HASTON HALO anti-reflection filter, of which it provides all the superb performance. The main characteristics of ASTON HALO SHADOW are: hi-tech construction with patented PET material, design designed for increased performance, improved insulation, active filter also above and below (not only horizontally), greater surface and depth of acoustic treatment, more linearity in diffusion and absorption and a very light and easy to assemble hardware.
