Linear Actuator - Linear Actuators are used to motorize nearly anything. Our Linear actuators are designed for the 12 volt environment and can be used to motorize your amp racks, sub-woofer enclosures, or hidden compartments. Linear Actuators are linear screws that are driven by a motor that propels a linear shaft. Our linear actuators are designed for car audio and marine applications. All of our linear actuators are designed to work in the most demanding application. All of our linear actuators are 12 volt and cost effective.