JL Audio Car Speaker SB SMRT 4 2 8W3v3 User Manual

SB-SMRT-4-2/8W3V3 INSTR_SKU# 011288  
InstallatIon  
d I F F I C u lt Y :  
If you choose to perform the installation yourself, it is absolutely vital that  
the Stealthbox® be properly mounted to the vehicle according to these  
instructions. Failure to mount the enclosure properly presents two problems:  
out  
oF  
I n s t a l l a t I o n G u I d e  
for the  
1) The sub-bass performance will suffer due to the movement of the enclosure  
caused by the force exerted by the woofer(s).  
45  
SB-SMRT-4-2/8W3v3  
2) A loose enclosure presents a serious safety hazard in the event of a collision  
or sudden deceleration.  
estImated tIme:  
sKu#94448  
2008+  
3 HouRs  
s t e P  
1
Read all of the instructions through once before starting the  
work. We know you’ve seen this warning before but, if  
you only follow each step as it comes, the progression  
wont make sense, if you read everything all the way  
through, youll understand, the job will be easier.  
Clean out the passengers side of the vehicle so that you have  
a comfortable place to work.  
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.  
s t e P  
2
Remove the carpeting and, the foam underlayment as if  
you were accessing the battery (refer to the vehicles owners  
manual if neccessary).  
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. If you prefer to perform your own installation,  
please read this installation guide completely  
before beginning the process.  
s t e P  
3
Under the passengers end of the dash there is a Torx screw  
that holds the dash end trim panel in place, remove it and,  
the trim piece.  
Continued on Next Page  
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SB-SMRT-4-2/8W3V3 INSTR_SKU# 011288  
S T E P 1 5  
s t e P 1 1  
Install the included, 3/8-16 x 1” Hex Head Bolt, Split  
Lockwasher and Washer through the Right Angle Bracket  
installed in steP 8 into the Stealthbox® as shown.  
Slide the enclosure up into place, it’s a tight fit and, you’ll  
need to move it around a little but if you start as shown, it  
will go in without any problems.  
noW You need to tIGHten all oF tHe PReVIouslY  
Installed HaRdWaRe!  
Re-install the woofer into the enclosure.  
Re-assemble the end of the dash in the reverse order that  
it was disassembled, re-install the Foam Underlayment and  
the Carpet.  
s t e P 1 2  
S T E P 1 6  
Looking at the end of the dash, you should see the Elevated  
Bracket pointing up next to the previously installed Speed  
Clip. (See Arrow)  
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.  
s t e P 1 3  
Rotate the Elevated Bracket so that the slotted end is over  
the Speed Clip (as shown) and, install the included  
1/4-20 x 1” Hex Head Bolt, Split Lockwasher and Washer.  
do not tIGHten tHIs assemBlY Yet!  
s t e P 1 4  
Rotate the Bottom Bracket on the 1/4-20 All Threaded Rod  
so that it lines up with the threaded insert in the Stealthbox®,  
you may need to raise or lower the position of the Bottom  
Bracket on the All Threaded Rod in order to align everything.  
Install the included 3/8-16 x 1” Hex Head Bolt, Split Lock  
Washer and Washer as shown, securing the Stealthbox® via  
it’s Threaded insert to the Threaded Rod.  
do not tIGHten tHIs assemBlY Yet!  
Page 3 • JL Audio, Inc 2009  
Continued on Next Page  
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SB-SMRT-4-2/8W3V3 INSTR_SKU# 011288  
I n C l u d e d H a R d W a R e  
6) 1/4” Split Lock Washer  
3) 1/4-20 Hex Nut  
1) 1/4-20 Speed Clip  
5) 3/8” Flat Washer  
3) 3/8” Split Lock Washer  
2) 3/8-16 Hex Nut  
5) 1/4” Flat Washer  
3) 1/4-20 x 1” Hex Head Bolt  
1) 1/4-20 x 12” All Threaded Rod  
2) 3/8-16 x 1” Hex Head Bolt  
1) 3/8-16 x 1 1/2” Hex Head Bolt  
4) Custom Brackets  
s P e C I F I C a t I o n s  
Enclosure Type: Acoustic Suspension (sealed)  
Driver Type: 8W3v3-4  
Nominal Impedance: 4 Ohms  
Continuous Power Handling: 250 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.  
Front Speaker Size / Location: 6.0”- Front Doors  
Fits JL Audio Models: C2-650, C2-650x  
To change the OEM front speakers requires extensive  
modification and, the use of spacers/adaptors.  
(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 Curveand its respective logo is a trademark of JL Audio, Inc.  
JLA-SKU# 011288 03-26-2009  
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.  
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Page 5• JL Audio, Inc 2009  
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