Outback Model

Disconnect the ground terminal from the battery sensor, and wait for at least 60 seconds before starting work. < Ref. to BATTERY , NOTE, Repair Contents. >
Remove the trim panel - rear apron RH. < Ref. to OUTBACK MODEL , REMOVAL, Rear Quarter Trim. >
Remove the woofer assembly.
1. Disconnect the connector.
2. Remove the bolts, then remove the woofer assembly.
  
  Fig 1: Locating Woofer Assembly Connector And Screws - Outback Model
  Courtesy of SUBARU OF AMERICA, INC.