JL Audio SB-K-SL-12W0v2 User Manual

SB-K-SL-12W0v2 INSTR_SKU# 011315

I N S T A L L A T I O N G U I D E

for the

SB- K - S L-1 2 W 0 v2

SKU#94493,94494

2010 +

Thank you for choosing a JL Audio Stealthbox® for your automotive sound system. With proper

installation, your new vehicle-specific enclosed subwoofer system will deliver years of listening pleasure.

If you choose to perform the installation yourself, it is absolutely vital that
the Stealthbox
instructions. Failure to mount the enclosure properly presents two problems:

1) The sub-bass performance will suffer due to the movement of the enclosure
caused by the force exerted by the woofer(s).

2) A loose enclosure presents a serious safety hazard in the event of a collision
or sudden deceleration.

®

be properly mounted to the vehicle according to these

S T E P 1

Empty out the trunk of the car so that you have a clean area
to work in.

S T E P 2

Lift the floor, remove the compartmented foam spacer this
will not remain in the vehicle.

INSTALLATION
D I F F I C UL T Y:

OU T
OF

25

ESTIMATED TIME:
1 HOUR

We strongly recommend that you have your new Stealthbox® installed by your authorized JL Audio

dealer. The installation professionals employed by your dealer have the necessary tools and experience

to disassemble and reassemble your vehicle properly. Also, keep in mind that your warranty coverage

extends to 2 years if your system is installed or approved by your authorized JL Audio dealer. If you

prefer to perform your own installation, please read this installation guide completely

before beginning the process.

S T E P 3

Remove the tool kit that resides inside the spare tire and the
spare tire itself, set aside the hardware as it will be re-used.

Continued on Next Page

SB-K-SL-12W0v2 INSTR_SKU# 011315

S T E P 4

From the rear of the vehicle looking into the spare tire well,
position the three Wax Squares as shown, make sure that the
Wax Squares adhere to the floor well so that they don’t shift
while making impressions in them.

S T E P 5

Thread the three included Allen Head Studs into the bottom
of the Stealthbox® as shown, leaving approximately 1/2”
exposed.

S T E P 6

Mount the 8mm x 38mm Coupling Nut to the steel strap as
shown using the 8mm x 16mm Hex Cap Screw and 5/16”
Split Lock Washer to secure the Coupler to the Custom
Mount Strap.

Mount the Custom Mount Strap with the Coupling
Nut attached to the Stealthbox® on the top side of the
Stealthbox, in the spare tire recess, as shown using the two
included 1/4-20 x 2” Phillips Head Screws.

S T E P 8

Gently set the Stealthbox® in place centering the Spare Tire
Platform in the recess. Once the Stealthbox ® is in place, put
enough pressure on it to cause the three Allen Head Set
Screws to mark the Wax Squares. Remove the Stealthbox®
from the vehicle making sure that the Wax Squares stay in
place on the floor of the spare tire well.

S T E P 9

Using a 1/2” drill bit, drill through the three marks in the Wax
Squares.

Before drilling, always make sure that you are not
going to be drilling into any gas lines, brake lines,

tires, transmission lines, electrical wiring, exhaust

systems or anything else that might cause a

reduction in your weekly pay.

Always wear eye protection when drilling!

S T E P 1 0

Set the Stealthbox® back into the car, positioning it so that
the Allen Head Set Screws come through the holes drilled in
Step 9. From under the vehicle, secure the Stealthbox® in
place by putting a Fender Washer, Split Lock Washer and Hex
Nut on each Allen Head Set Screw. Progressively tighten all
three studs as if you were changing a tire so that all three get
tightened evenly.

Page 2 • JL Audio, Inc 2010

S T E P 7

Locate the four holes in the Spare Tire Platform, align them
with the four threaded inserts in the Stealthbox® and mount
the Spare Tire Platform to the Stealthbox® using the four
included 1/4-20 x 1-1/2” Allen Head Bolts.

S T E P 1 1

Set the spare tire in place and secure it through the threaded
coupler (seen in Step 6) using the original hardware that
secured the tire in place before the installation of the
Stealthbox®

Continued on Next Page