
SB-D-CLGR/12W3v3 INSTR_SKU# 011294
I N S T A L L A T I O N  G U I D E 
for the 
SB-D-CLGR/12W3V3 
SKU#94453
2009+  
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
Clean the trunk out so that you have a good environment to 
work in.
S T E P  2
Place the 3” x 3” wax square as shown.
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
Thread the included 3/8-16 x 2 1/4” Allen Head Set Screw 
into the enclosure with the Allen socket facing out and 
approximately 1/4” exposed as shown.
Set the enclosure in place, press on the enclosure so that the 
exposed Allen Head Set Screw marks the 3” x 3” Wax Square.
Continued on Next Page 

SB-D-CLGR/12W3v3 INSTR_SKU# 011294
S T E P  4
 Drill a 1/2” hole through the impression made in the 3” x 3” 
Wax Square in towards the rear wheel.
            *CAUTION* 
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  5
Pull down the rear fender liner so that you have access to the 
hole drilled in 
Place the Stealthbox® into place making sure that the speaker 
wire is properly attached to the enclosure and, that the 3/816 x 2 1/4” Allen Head Set Screw comes through the hole 
Drilled in 
S T E P  6
Using an Allen Wrench, back the 3/8-16 x 2 1/4” Allen Head 
Set Screw out of the Stealthbox® as shown, far enough so 
that the 3/8 x 1 1/4” Fender Washer, 3/8” Split Lock Washer 
and, 3/8-16 Hex Nut can be installed as shown in the DETAIL 
below. You may want to hold the Allen Head Set Screw 
using the Allen Wrench while tightening this hardware.
STEP 4.
STEP 4.
I N C L U D E D  H A R D W A R E
1) 3/8-16 x 2 1/4” Allen Head Set Screw    1) 3/8” Split Lock Washer
1) 3/8” x 1 1/4” Fender Washer      1) 3/8-16 Hex Nut
1) 3” x 3” Wax Square 
S P E C I F I C A T I O N S
Enclosure Type: Acoustic Suspension (sealed) 
Driver Type: 12W3v3-4 
Nominal Impedance: 4Ohms 
Continuous Power Handling: 500 Watts
P O W E R  R E C O M M E N D A T I O N
JL Audio recommends using a high quality amplifier such as the JL Audio 250/1v2.  
The diagram below shows the recommended crossover, infrasonic filter and equalizer settings for the 250/1v2 
when being used to power your Stealthbox
®
.
The JL Audio 250/1v2 is a very versatile audio component. Please consult the owner’s manual for even more 
detailed information about installing and tuning this amplifier.
M I D / H I G H  F R E Q U E N C Y  D R I V E R  F I T M E N T
A variety of JL Audio coaxial and component systems will fit in the factory speaker locations of you vehicle.
Page 2 • JL Audio, Inc 2009
D E T A I L
The hardware discussed in STEP 6 is detailed here. Re-install 
the inner fender liner removed in STEP 5, put all of the stuff  
you took out of the trunk in STEP 1 back in.
C O N G R A T U L A T I O N S !
You have completed the installation for this model!
Enjoy your new Stealthbox®!
Please refer to the Power Recommendation section for an 
amplifier recommendation and basic set-up help.
Front Speaker Size / Location: 3 1/2”- Dash / 6”x 9”- Front Doors 
Fits JL Audio Models: TR350-Dash / TR690TXi-Doors 
Rear Speaker Size / Location: 6 1/2”- Rear Deck 
Fits JL Audio Models: TR650CXi, TR650CSi, C2-650x, C2-650, C5-650x, C5-650, ZR650CSi
(954) 443-1100
All specifications are subject to change without notice. “JL Audio®” and the JL Audio logo, “Stealthbox” and the Stealthbox logo are registered 
trademarks of JL Audio, Inc. “Ahead of the Curve” and its respective logo is a trademark of JL Audio, Inc. 
JLA-SKU# 011294 06-16-2009 • Printed in USA • ©2008 JL Audio, Inc. • U.S. PATENTS: #5,734,734 #5,949,898 #6,118,884 #6,229,902 #6,243,479  
#6,294,959 #6,501,844 #6,496,590 #6,441,685 #5,687,247 #6,219,431 #6,625,292 #D472,891 #D480,709 Other U.S. & Foreign patents pending. 
For more detailed information please visit us online at www.jlaudio.com.
1 0 3 6 9  N O R T H  C O M M E R C E  P A R K W A Y   •   M I R A M A R ,  F L O R I D A   •   3 3 0 2 5   •   U S A
w w w. j l a u d i o . c o m