Another impressive feature is the vinyl wrapped MDF (Medium Density Fibreboard) subwoofer enclosure. Most of the systems in this price range use particle board for their enclosures. Particle board is a cheaper solution, but at the sake of sound colouring due to "ringing" or what is known as resonance, MDF does not suffer from this. The front of the subwoofer face is simple yet stylish with an orange LED power on indicator, and triangular control knobs.