Center Speaker

Disconnect the ground terminal from battery sensor. Ref. to BATTERY
Remove the speaker assembly - center.
1. Release the clips and claws, then detach the grille speaker center.
  NOTE: Remove the grille speaker center by using a plastic remover.
2. Remove the screws.
  Preparation tool:
  
  Stubby screwdriver
3. Disconnect the connector and remove the speaker assembly - center.
Fig 1: Identifying Center Speaker Assembly Grille Clips And Screws
Courtesy of SUBARU OF AMERICA, INC.