Sound Stages SSON12, User Manual

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18. Continue running the subwoofer harness down the drivers side of the car to and under the rear 
seatback. It is helpful to rotate the seatback down to allow clearance for the connecters. Secure any excess 
harness to the factory harness under the driver’s side rear threshold panel.

Subwoofer Installation

NOTE: If you your vehicle is a 5-door model, remove the spare tire to retrieve the spare tire safety strap 
equipped with the vehicle, and then replace the spare tire. (Refer to owner’s manual, beginning in section 
10-67, for proper removal and reinstallation of spare tire.) The safety strap will be used to insure the sub-
woofer enclosure does not strike someone in the event of a collision.

19. On sedan models fi nd the anchor point on the driver’s rear seatback approximately 17 inches from the 
load fl oor and approximately 7 inches from the edge of the seatback closest to the center of the vehicle.  
Make a vertical incision in the carpet approximately 2-3 inch long. Fig. 8
20. On the hatchback models, remove the intermediate load fl oor. (Intermediate load fl oor cannot be used 
with subwoofer installed.)

21. Place the supplied foam strip on the plastic quarter panel cover in the position shown in Fig. 9 to prevent 
the enclosure from contacting the panel. (Hatchback only)
22. Lay the poly bag that the subwoofer is packaged in on top of the carpet behind the drivers side seat-
back. (The poly bag prevents the Velcro® from engaging the carpet prematurely.  Set the subwoofer on top 
of the poly bag and connect the subwoofer harness. 
23. Run one end of the safety strap under the bracket on the side of the enclosure and then connect both 
ends to the cargo tie-down on the driver’s side of the car. Fig. 10 and Fig. 11 (Hatchback only)

17” 

7”

Install 

foam 

here 

Fig. 9 

Fig. 10 

Fig. 11 

Fig. 8