TO SERVICE THE MSW-1 SUBWOOFER 1) Remove the grille. 2) Extract (6) rubber grille retainers as shown in the illustration above, this can be accomplished by carefully pulling them out of the cavities with long-nosed pliers or similar tool. 3) Remove the (6) Phillips screws that are now exposed. 4) Remove the front baffle. 5) Remove the (8) screws that secure the driver. 6) To service the amplifier, remove the (10) Phillips screws at the rear of the enclosure, and pull the amplifier out of the back.