JL Audio SB-SMRT-4-2/8W3v3 owner manual Do not Tighten this Assembly YET, T a I L, E P 1

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S T E P 4

Once the trim piece is removed, there are three Torx screws that hold the dash end piece in place, remove those and the end piece.

S T E P 5

Looking into the end of the dash, you will notice the aluminum extrusion that is the frame of the dash. There is an exposed slot, slide the included 1/4-20 Speed Clip over this notch as shown.

S T E P 6

Looking from under the dash, near the front of the vehicle, there is a flange just under the top of the dash that has a factory hole . Assemble the included Top Bracket and, 1/4-20 All Threaded Rod by putting on a 1/4-20 Nut and, Split Lockwasher then threading the rod into the bracket so that just a few threads come out on the top side. Tighten the 1/4-20 Nut and, Split Lockwasher to the Top Bracket. Once the Top Bracket/ All Threaded Rod have been assembled, bolt the other end of the Top Bracket to the flange using the included 3/8-16 x 1” Hex Head Bolt, Nut, Washers and, Split Lock Washer then rotate the Bracket so that it rests on the top of AC system as shown, tighten down all of this hadware.

S T E P 7

On the Bottom end of the 1/4-20 All Threaded Rod, install the Bottom Bracket as shown (approximately 1- 1 1/4” from the bottom), using included 1/4-20 Nuts, Washers and, Split Lock Washer.

DO NOT TIGHTEN THIS ASSEMBLY YET!

SB-SMRT-4-2/8W3V3 INSTR_SKU# 011288

S T E P 8

This picture is only to illustrate where the DETAIL below is located, the enclosure and, woofer have NOT been mounted yet. Where the arrow is pointing is where the DETAIL below is located.

D E T A I L

Install the included right angle bracket as shown through the slot in the dash extrusion using the included

3/8-20 Nut, Washers, 3/8-16 x 1 1/2” Hex Head Bolt, and, Split Lockwasher. the end with the hole closest to the bend is against the dash extrusion. Slide the bracket all the way towards the center of the vehicle, oriented as shown.

DO NOT TIGHTEN THIS ASSEMBLY YET!

S T E P 9

Remove the woofer from the enclosure. Mount the Elevated Bracket to the Stealthbox® as shown with the slotted end exposed and pointing towards the top of the enclosure, using the included 1/4-20 x 1” Hex Head Bolt, Split Lockwasher and Washer. Snug this hardware down so that it isn’t loose but,

DO NOT TIGHTEN THIS ASSEMBLY YET!

S T E P 1 0

Attach the wire from the amplifier to the terminals on the Stealthbox®

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Contents Estimated Time Installation G u i d eSKU#94448 2008+ HoursE P 1 Do not Tighten this Assembly YETT a I L N G R a T U L a T I O N S W e r R e c o m m e n d a t i o n Specification SC L U D E D H a R D W a R E 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

SB-SMRT-4-2/8W3v3 specifications

The JL Audio SB-SMRT-4-2/8W3v3 is a defined powerhouse in the realm of automotive audio, engineered specifically for the 2007-2018 Jeep Wrangler. This innovative subwoofer enclosure is designed to elevate the auditory experience of drivers and passengers alike, delivering a rich and balanced bass response that enhances the overall sound quality of your vehicle's audio system.

One of the primary features of the SB-SMRT-4-2/8W3v3 is its compatibility with the 8W3v3 subwoofer from JL Audio. This subwoofer is known for its remarkable efficiency, and when paired with the enclosure, it produces deep, impactful bass. The enclosure is constructed from high-quality MDF (medium-density fiberboard), ensuring durability while minimizing any unwanted resonance or sound distortion.

Another notable aspect of the SB-SMRT-4-2/8W3v3 is its sleek design, which allows it to seamlessly integrate into the Jeep's interior. The enclosure is molded to fit snugly within the vehicle, preserving cargo space while offering an aesthetic appeal that matches the Jeep's rugged style. Its black texture finish further enhances its visual integration, making it an attractive addition to any Jeep.

The enclosure features a vented design that optimizes airflow and subwoofer performance, enhancing the overall bass output without compromising on clarity or detail. This design approach ensures that users can enjoy a well-rounded listening experience, whether they are pumping out high-energy music or enjoying more subdued sounds.

Installation is made easy with the SB-SMRT-4-2/8W3v3, as it comes with pre-drilled holes and mounting hardware, allowing users to set it up quickly and efficiently. Additionally, the enclosure is engineered to work with various amplifier configurations, providing flexibility in building a customized audio system.

In summary, the JL Audio SB-SMRT-4-2/8W3v3 is a high-performance subwoofer enclosure that embodies quality, durability, and convenience. Its perfect compatibility with the 8W3v3 subwoofer, coupled with its thoughtful design and ease of installation, makes it an exceptional choice for any Jeep Wrangler owner seeking to enhance their vehicle's audio experience. With this product, JL Audio continues to build upon its legacy of excellence, delivering powerful, high-quality audio solutions for automotive enthusiasts.
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