OSD Audio 300W InWall Volume Control Rotary Knob – Impedance Matching AB Switching – SVC405

The OSD In-Wall Volume Control Knob is a unique design to switch the volume of speakers to an almost inaudible sound, and off completely. Mount the décor plates on a wall to use in varying locations for soft or high volume. Optimal Speaker Design is engaged in the design, engineering, and distribution of high-quality home and commercial audio products. Our products range in complexity from simple in-ceiling speakers to whole house audio systems—all with beautiful styling and high-end sound quality. Our U.S.-based research, development and design team, is supported by a network of cutting-edge acoustical, mechanical and electrical engineers. Together, we create products that combine the latest technology with ease of use for a quality sound experience. With extensive product and application knowledge, our exceptional team provides you with custom solutions to create the perfect audio solution.