Lowell’s 100W, 3dB LVC volume controls are ETL listed, compact, easy-to-install controls that provide precise level adjustment of single or multiple speaker lines. Volume controls in this series include a priority relay (24VDC@15mA) for emergency signal bypass. This rackmount model includes an adhesive dial scale with a top area (PocketID) where a paper label can be inserted to identify the control. They are available with a standard or decorator style wall plate in a variety of finishes, see related products.