TO SERVICE THE ENTRA SUB TWO
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 (6) 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.
Remove the two Phillips screws as indicated in FIGURE A to
remove the rear cover.
Figure A