DIFFUSION AND LOW FREQUENCY ABSORPTION
When you take quadratic diffusion and combine it with our activated carbon absorption technology, you get an industry first. This is the first time a product has been commercially available that provides low frequency absorption down to 30 Hz. and time tested and proven quadratic diffusion, all wrapped in one product. Our QDA series is our pinnacle, freestanding product that can be used to reduce reflections and absorb bass, all in one unit.