The Power Plate Shield (MY) The Power Plate Shield is the perfect accessory to go with your Power Plate my 3 or my 5. The Power Plate® Power Shield™ is low profile, unobtrusive, & sits underneath your my™ series machine to reduce residual vibrations. It virtually eliminates all downward vibrations & minimizes noise to neighboring rooms. The device is perfect for use in apartments, offices, on upper levels of buildings or on wood flooring. Available in silver.