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 1.

  Unpack the FS110-W5 and 

determine where it will be 
mounted. Consider access to the 
opposite side of the mounting 
surface for securing mounting 
bolts and visual confirmation 
you are not drilling through any 
wires, hoses or even the hull of 
the vessel. In addition, consider 
the structural integrity of the 
mounting surface itself and that 
installation does not interfere with 
water drainage, hatch lids, or any 
moving parts on the vessel. 

 2.

  Using a Phillips-head screwdriver, 

remove the 3 Stainless-Steel screws 
that mount the woofer to the 
enclosure and remove the woofer.

 3.

  Mark the enclosure for the 

location of the mounting holes. 
There should be at least 2 
mounting bolts used to secure the 
enclosure (3 or more mounting 
bolts are recommended for extra 
strength and stability). On the 
inside of the enclosure, ensure 
there is ample room around the 
mounting points for the mounting 
hardware (not included). 

 

 4.

  In addition to the mounting holes, 

one additional hole must be 
marked for the entry of the speaker 
wire into the enclosure. For this 
hole, consider the most clean and 
protected wire run (this may mean 
the top or back of the enclosure).

 5.

  Drill a pilot hole into the 

enclosure at each of the marks 
made in 

Step 3

. Enlarge each 

pilot hole to the appropriate 
diameter, as dictated by the 
mounting hardware and speaker 
cable used. 

 6.

  Once all of the holes are drilled 

through the enclosure, hold it 
in the exact mounting location 
determined in 

Step 1

. Using the 

holes drilled in 

Step 5

 as a guide, 

mark the mounting surface so 
that corresponding enclosure 
mounting holes can be drilled.

 

7.

  At each mark made in 

Step 6

,

 

drill 

pilot holes and then appropriately-
sized mounting holes into the 
mounting surface.

 8.

  Run the wire into the enclosure 

leaving 18" within the enclosure 
so that the woofer can be easily 
wired and mounted. Fill the hole 
through which the wire is run 
with silicone caulk to both seal 
the enclosure and protect the 
wire from abrasion. 

 9.

  Securely mount the enclosure 

using the mounting hardware and 
seal the enclosure at the mounting 
holes with a silicone caulk.

 10.

  Make the terminal connections to 

the woofer observing the correct 
polarity and set the woofer in the 
enclosure’s woofer mounting hole. 
Orient the woofer’s logo so it is 
appropriate for the installation 
and so that each of the woofer’s 
mounting holes line up with the 
pre-drilled holes in the enclosure. 
Re-mount the woofer using the 
3 Stainless-Steel screws removed 
in 

Step 2

 and the 3 additional 

Stainless-Steel screws included 
with the enclosure.

 11.

  You have completed the 

installation of your FS110-W5. 
Enjoy your new Enclosed Marine 
Subwoofer System.

For questions concerning installation of 
this product, contact JL Audio Technical 
Support during regular business hours at 
(954) 443-1100.

The FS110-W5 is designed to be a universal-application Subwoofer 
System. The exact mounting procedure employed will vary based 
on the requirements of the installation. The steps outlined in these 
instructions take most considerations into account and should be 
read thoroughly prior to beginning your installation.

FS110-W5

Installation Instructions

 

(all models)

 

SKU#011292_02_09

Reccomended Hardware/Mounting 
(Stainless-Steel)

ENCLOSURE WALL

MOUNTING SURFACE

Fender Washer

Fender Washer

Lock Washer

Hex Nut

Hex Head Bolt

Silicone Sealant

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