The 200W mono autoformer attenuator volume control for use with 70V single or multiple speaker lines features a rotary dial, 200W power rating, 3dB per step attenuation (two steps of 6dB each before off) and Phoenix style plug-in screw termination strips. Includes adhesive dial scale with pocket where a paper label can be inserted to identify the control. Ideal for rackmount use or custom installations.