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I N S T A L L A T I O N   G U I D E 

for the 

SMS-P-987C-BASE

SMS-P-987C-PREM 

SKU# 94556/94569

2006 & Up Porsche Cayman 987C   

Thank you for choosing a JL Audio StealthMod® System for your automotive sound system.  

With proper installation, your new vehicle-specific audio system  

will deliver years of listening pleasure.

We strongly recommend that you have your new StealthMod® System 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.

  

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:  
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.

Continued on Next Page 

SMS-P-987C  INSTR_SKU# 011358

INSTALLATION  

D I F F I C U L T Y :

4

5

OUT   

OF

ESTIMATED TIME:

         4 HOURS

S T E A L T H B O X ®   S P E C I F I C A T I O N S

 

Enclosure Type:

  Sealed

Driver Type:

  13TW5v2-2

Nominal Impedance:

  2 ohms

Continuous Power Handling:

  600 watts (RMS method)

I N C L U D E D   E Q U I P M E N T

(1) HD900/5 Amplifier
(1) Pair C5-650x
(1) XD-MFB-MAXI Fuse Holder
(1) XD-MAXI-60 Fuse
(1) Pair XD-CLRAIC2-SW Speaker to RCA Adaptor
(2) XD-CLRAICY-1F2M Y-adaptor
(1) XD-CLRAIC2-12 RCA Cable

Premium System Only:

(1) CL-SSI

I N C L U D E D   H A R D W A R E

 

(1) Amplifier Cover Panel                                 (1) Terminated 60 Amp Power Wire
(2) Speaker Adaptor                                         (1) Terminated 60 Amp Ground Wire
(2) Crossover Adaptor                                      (1) 16 Gauge Speaker Cable
(4) Foam Tape Strip                                          (1) 12 Gauge Speaker Cable
(4) #8 x 5/8” Pan Head Screw                          (1) 16 Gauge Remote Wire
(4) #8 x 1/2” Pan Head Screw                          (4) Snap Grommet
(4) 8 - 32 x 5/8” Screw                                      (16) #8 x 3/4” Pan Head Screw
(4) #8 Lock Washer                                           (1) 1/2” Split Loom
(1) Fuse Tap                                                       (1) 1” Split Loom
(1) Fuse Holder
(1) 3 amp fuse
(1) 1 amp fuse

Premium System Only:

(4) 8 - 32 x 3/8” Screw
(4) #8 Flat Washer
(4) #8 Lock Washer

StealthMod

®

Summary of Contents for 94556

Page 1: ...he force exerted by the woofer s 2 A loose enclosure presents a serious safety hazard in the event of a collision or sudden deceleration Continued on Next Page SMS P 987C INSTR_SKU 011358 INSTALLATION...

Page 2: ...mmended crossover and input sensitivity settings for the HD900 5 in the Base System For a detailed description of the amplifier settings consult the owner s manual for the amplifier Input Sensitivity...

Page 3: ...nded crossover and input sensitivity settings for the HD900 5 in the Premium System For a detailed description of the amplifier settings consult the owner s manual for the amplifier Input Sensitivity...

Page 4: ...he screw S T E P 7 Pictured is the Base System speaker with the door panel removed Unplug unbolt and remove the speaker S T E P 2 Pull out on the interior release handle to access the mounting screw R...

Page 5: ...em S T E P 1 1 Route two pieces of 16 Gauge Speaker Cable through the grommet in the door and out through the speaker hole in the Speaker Adaptor S T E P 1 5 Pictured is the factory midrange mounting...

Page 6: ...ted in Step 11 to the Crossover woofer and tweeter outputs accordingly Using the chart below as a guide connect a third piece of 16 Gauge Speaker Cable to the Crossover inputs and connect them to the...

Page 7: ...st the point of tension approximately 180 degrees They are not designed to come out and attempting so will damage the radio mounting tabs S T E P 3 1 Locate the tie down hooks on each side of the trun...

Page 8: ...torage area as well S T E P 3 4 Carefully unclip the sill panel S T E P 3 8 Drill a 9 16 hole in the firewall in the location shown Snap in a Grommet and route all the wires through the Grommet Reinst...

Page 9: ...s to the Spkr position the Mode switch to the 2 Way position and the Signal Sense switch to the Off position S T E P 4 2 Connect the Power Wire to the positive battery terminal with the Fuse Holder ab...

Page 10: ...Holder Reinstall the plastic panels around the battery and in the storage area S T E P 5 0 Connect the Power Ground and Remote Turn On Wires to the power terminal of the Amplifier Connect the 16 Gaug...

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