®
Stealthbox
I N S T A L L A T I O N G U I D E
START
HERE
for the
SB-GM-HUMRH2/12W6v2
(2003-Up Hummer H2)
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STEP 1: Remove the third “jump” seat.
*STEPS 2-4 are for the vehicle that are
equip with the internal spare tire.*
STEP 3: Remove the jack and jack tools.
STEP 2: Remove the spare tire
This Stealthbox is a product which
requires professional installation skills and
tools.
Please read this installation guide thor-
oughly before beginning the project. It
will guide you step by step through the
installation. Several of the steps in this
process may require two people to
accomplish.
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It is absolutely vital that the enclosure
be properly mounted to the vehicle
according to these instructions. Failure
to mount the enclosure properly pres-
ents 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) and
2) A loose enclosure presents a serious
safety hazard in the event of a collision
or sudden deceleration.
STEP 4: With an 8mm socket, remove the
four bolts that secure the spare tire rack.
STEP 5: By pulling up, remove the driver’s
side rear storage bucket.
STEP 6: With a 10mm socket, flat head
screw driver, Phillips® head screw driver and a
T-15 socket.
Remove the driver’s side rear wheel well plas-
tic trim.
Please enjoy your JL Audio Stealthbox
responsibly.
Continued on Next Page ➔
SB-GM-HUMR2/12W6v2, JL AUDIO, Inc 2004
Page 1
Sheet SKU#011182 Revision8/5/2004
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STEP 15: Back out the socket cup set screws, that
was threaded in from STEP 11, to expose 1-1/4”.
STEP 16: (Outside the vehicle) Place the sup-
plied hardware in order onto the exposed socket
STEP 17: Mount the plastic inner wheel well and
plastic trim from STEPS 6 & 7.
*STEPS 18-24 are for only for the vehicles
that are equip with the internal spare tire.*
cup screw. If more exposed threads are needed, back
out the socket cup set screws.
Connect the speaker wire to the terminal and place
the enclosure into position.
You didn’t leave too much of the socket cup set
screws exposed, did you?
STEP 18: The spare tire rack needs to be modi-
fied for the proper spacing,This needs to be accom-
plished on both bottom mounting feet.
*Do not back out too much, you can cause a
conflict when mounting the plastic inner
wheel well, back into location.*
Measure 9/16” from the center of the factory
mounting hole, back. Mark and drill with the a 1/2”
drill bit or Uni-bit®.
Fender washer, flat washer, lock washer and hex nut
onto each socket cup set screw.
Secure tightly.
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STEP 19: With the spare tire rack placed into
position. Loosely tighten the lower factory bolts to
the lower mounting feet.
STEP 20: Placed A supplied spacer, between each
upper mounting foot of the spare tire rack and the
side panel.
STEP 21: Align the spare tire rack, for proper
positioning.
STEP 22: With the spare tire rack properly posi-
tioned, it should not interfere with the enclosure.
Loosely secure each upper mount assembly with a
supplied hex cap screw.
Continued on Next Page ➔
Sheet SKU#011182 Revision8/5/2004
SB-GM-HUMR2/12W6v2, JL AUDIO, Inc 2004
Page 3
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Cont.
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CONGRATULATIONS!
INSTALL COMPLETE.
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Included Hardware:
(2) 3” x 3”Wax sheets
(2) 3/8”-16 x 2-1/4” Socket Cup Set Screw
(2) 3/8” x 1-1/4” Fender Washer
(2) 3/8” USS Flat Washer
STEP 23: Replace the jack and the jack tools, that
were removed in STEP 3.
STEP 24: Secure the spare tire onto the rack and
replace the tire cover.
(2) 3/8” - 16 HEx Nuts
(2) 1/2”(w) x 1”(od) Spacers
(2) 12mm x 70mm Hex Cap Screws
Difficulty Of Installation:
Mid/High Frequency Driver Information:
Specifications:
ZR650-CSi
Enclosure Type: Sealed
Front Location Driver Size:
6.5”(door) &Tweeter(A-pillar)
Driver Type: 12W6v2-D4
Nominal Impedance: 2Ω
Cont. Power Handling: 400 Watts
Applicable JL Audio Products:
TR,VR, XR, ZR 650-CSi
JLAudio recommends using a high quality amplifier such as the JLAudio 500/1. The diagram below shows the recommended
crossover, infrasonic filter and equalizer settings for the 500/1 when being used to power your Stealthbox®.
Rear Door Location Driver Size:
5.25”
Preamp Output Section
Filter Slope
Infrasonic Filter
"Q"
1.6
Center Freq. Boost (dB)
45 +10
Amp LP Filter
Mode Slope
Amplifier Input Section
Input Voltage Input Sens. Signal Sensing
Subwoofer Output
Applicable JL Audio Products:
TR,VR, XR525-CXi
Output Mode
/
1.1
0.7
2.7
4.3
35
55
+4
+13
25
70
XR525-CXi
Full Range
/
Amp Filter
/
Out Filter
12dB
/
24dB
Off
/
30Hz
Off
/
12dB
65
/
24dB
Low
/
High
Off
/
On
0.5
20
85
0
+15
30
65
Filter Mode
25
18
40
50
55
45
85
120
55
45
85
120
Bass EQ
+12VDC Ground Remote
_
_
+
+
Advanced
Bass
Control
JL AUDIO 500/1
MONO OUTPUT ONLY
15
60
40
200
40
200
LP
/
HP
Off
/
On
five-channel system amplifier
Infrasonic Freq. (Hz)
Remote Bass Port
Filter Freq. (Hz)
Left Ch.
Right Ch.
Left Ch.
Right Ch.
Filter Freq. (Hz)
Rear Cargo Location Driver Size:
2.25”
Applicable JL Audio Products:
N/A
The JL Audio 500/1 is a very versatile audio component. Please consult the owner’s manual for detailed information
about installing and tuning this amplifier.
10369 N. Commerce Pkwy, Miramar, Florida 33025-392
Phone: 954.443.1100
Fax: 954.443.1111
SB-GM-HUMR2/12W6v2, JL AUDIO, Inc 2004
Page 4
Sheet SKU#011182 Revision8/5/2004
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