ViaBlue High-End HS Spikes - 4 Pieces Black Silver - Made In Germany * Absolutely on the Point - Highest Precision/16 Parts * ViaBlueTM HS spikes receive vibrations from vibrating bodies like speakers (such as diaphragms) and devices (such as transformers and reduces them. The vibrations are absorbed through the high pressure point achieved, where the maximum weight (speakers, devices) is concentrated on a minimum point (point of the spike). * Most notably, the bass acoustics sound clearer, cleaner and more distinct. Thus, the bass is not transmitted to the furnishings and buildings, but can develop freely in the room. * Diameter: 18mm Height: 38mm +/-2mm Maximum Load: 50 KG/Set of 4